Dust is of course, what Galaxies are actually made of, after billions of (Earth) years of electrostatic attraction. Trying new experiences and learning something new from each one.....a bit like Oppenheimer when he wasn't really sure that the first atom bomb wouldn't blow a hole through the Earth's atmosphere and vapourize it all in a runaway cascade reaction. Shielding takes place and causes predictable results but atoms and their subatomic parts are to one degree or another, conscious of eachother's location as they can 'feel' the pull or push of their charge.Let's say that the Sun's greater negative charge overcomes the repulsion of the electrons in the Earth's atmosphere or overall mass and attracts it. Also, because Brisk's don't have the single thin electrode, they're supposed to be far less prone to detonation and run cooler.MSD type ignition is also a potential candidate for the truck but should be unnecessary using the above wire/plug combo. 1993 GMC Typhoon The GMC Typhoon is a high-performance SUV, produced from 1991 to 1993 by GMC. Whatever moves you emotionally.SyTy's really move you - physically!Note that I said 'you', as mine ain't movin' anywhere!We all learn from eachother collectively so be an inspiration to others where you can and learn from others where you can. The Typhoon was based on the 1991 GMC Jimmy. !I'd really like to hear from the original owner or anyone who may have any information on this truck's history or past performance stat's as it's been modified a fair way from stock and was most likely thrashed to within an inch of it's life on a drag strip in West Palm Beach. That's going, for starters!In England we have 99 octane pump gas available, at a price. Mine is the cheapest option though, if I can still use the stock fuel rail. Red heads are modified stock LB4's with inch and a half double springs and dampers (all removed), stainless valves and hardened retainers/locks. My $125 ebay 're-built' Vortec heads are a case in point. Saint Charles, IL . I was trying to achieve a straight line but there's a ramp down to the injector which follows the outside profile. Direct link to an example unit below;http://store.summitracing.com/partdetail.asp?autofilter=1&part=MSD-8964&N=700 115&autoview=skuStill, it's the least of my worries right now. The block is ok on it's own but with the heads it's just asking for trouble. I mean, how much spark do you really need? Pre-Owned. I'll debate anyone under the table if you think we're all seperated by anything more than a thin veil of illusion. With only 4 owners from new, the car was initially sold in Ohio until being relocated to Indiana in 2008, then subsequently to Illinois. You may know of other, even taller ones. I guess L35's are somewhere inbetween but are a direct bolt-on replacement, unlike Vortec's, that is, the intake to head bolt pattern, as both are the same fit as stock LB4's on the block with no modifications necessary.Vortec's need to be drilled and tapped for the manifold or the manifold slotted which only gives 4 bolts anyway, as opposed to 6 in the stock manifold. It's a classic case of needing a good overhaul as stalling at low revs is a valve lash or leaking spark plug issue every time. Here I'm just taking out the flat sections to even up all the runner widths exactly. This is the PAS story. Well, logic (generally) has a fatal flaw. He had it less than a year but was forced to sell it while moving house. I replaced all the shocks from Bilstein's to KYB Monomax's and it's sorted out most of the nosedive and some of the roll but as I say, I haven't yet driven it further than a few yards but it's already obviously much better. CMC has just taken in this awesome 1991 GMC SYCLONE into our new showroom. Most people buy the yellow top version for serious audio/visual installs as they have a little bit more capacity for deep cycling but the red top has more cranking power for starting and also handles seasonal or occasional use better (I hope!) I also pour white spirit into the valve bowl to check the final seal while rotating the valve. I just did this one to see how much could be taken out and to get an idea of the shape required to flow into the head. I'll certainly do the plenum and intake manifold runners down to the injectors but maybe not the heads as the teflon coating starts there. The turntable pics are from the Japanese auction before the Ty came here to England. Take Julius Robert Oppenheimer and his team of 'Genius' Atomic Physicists during The Manhattan Project for the ultimate example; anyone clever enough to build an atomic bomb should have reasoned that it would be an exercise in futility and nothing but a curse forever more, since from that moment forth, it's widespread use would someday be absolutely inevitable, like every other invention that has ever been created! Anyone else had this problem? Some may have noticed the quality of this car. If you still don't believe that, get this dvd http://www.secretspacedvd.com/I can't say whether or not my intake system will be of as much interest to our Galactic Neighbours but it might just be crazy enough, don't you think? Basically, it's an emulator black box that connects to your ECM and allows real-time datalogging and tuning via laptop for around $300.Definitely go there now and bookmark Josh's page for later and/or this one, as I'll be keeping it posted for my own use;http://www.powertuneplus.com/Lots of Datamaster info too ( http://www.ttspowersystems.com/DataMaster.html ) and don't forget to come right back as there are more excellent links for you down the page;Well done and welcome back. to access the pump from the side! Smoking during startup and then going away is usually caused by bad valve stem seal wear but if it smokes on throttle too, it's more like blow by past the rings or unburnt fuel, which is brown, as opposed to blue oil smoke.The gearbox seems fine but I have yet to drive the truck further than in and out of my garage a few times, as it would stall easily when shifted into gear but pulled strongly when it wanted to.By the way, three spark plugs were not even hand tight, which didn't help matters. However, after tightening the distributor clamp bolt, it got a few yards and stalled again! Who's ever broken a main cap in one of these trucks? ), I couldn't hope to buy one. There is the argument that a slightly rough surface will create a turbulence that will help in atomisation but in reality, it's not a significant effect with a heavy jet of fuel, compared to the moment the valve begins to open and the air rushing past carries the fuel in with it at extremely high speed and pressure through the aperture thus created. At the time it was introduced, the Syclone was the quickest stock pickup truck being produced in the world. I'll create a page dedicated to the Vortec head swap once it's done, detailing the simplest and most effective way to do it and where to get the parts. The GMC Syclone and its partner-in-crime, the Typhoon, are typically purchased as collector cars, albeit ones that you can drive without too much concern about adding a few miles every year. (September 2010 update - I just checked over this page since letting it sit for over a year and forgot how much stuff was on it so you might want to just look at the pics instead as I can get very 'metaphysical' sometimes! You can usually twist them once they're doing that. Naturally, the intake manifold will have to be matched perfectly and that has even thicker dividers than the plenum......so that should be a laugh! Classics on Autotrader has listings for new and used 1991 GMC Syclone Classics for sale near you. Funny thing is, I only work a mile and a half from home and don't even need a car really. © 2020 CarDomain Network, Inc. MOTOR TREND GROUP, LLCAll rights reserved. Check out HongKongTyphooey 1991 GMC Typhoon in Hemel Hempstead, for ride specification, modification info and photos and follow HongKongTyphooey's 1991 GMC Typhoon … Image Via Speed Digital LLC Detailed features and specs for the Used 1991 GMC Syclone including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Still, this is what life is all about, huh? He's always regretted it but the truck was only just driveable due to engine timing and compression problems. 1/4" thick plus Vortec gaskets), to bring the runner roofs back into line and then re-adjust the distributor mounting height by re-positioning the seating collar further up the shaft. Featuresinclude a deluxe interior, power brakes, and a VintageAirA/C system. Add to Favorites More. Note above left, that the high speed side is the runner floor, so the benefit of paring back the injector lugs in the roofs may not be all that much at low speed but who cares? It was like something out of The Texas Chainsaw Massacre, although I never actually SAW it! I guarantee that someone on there will know the answer. !Just wait until you see the heads......errr......maybe next decade......The whole idea is to create an ever-decreasing cross-section so that the valve remains the only (unavoidable) bottleneck and not the enormous turbulence and resulting much slower airspeed in the intake system caused by the many steps and small-to-large transitions and the gaskets and casting roughness/mismatches. How much must the original buyers have loved these trucks? Located in Alsip, Illinois, this E36 M3 is now offered by the selling dealer with a clean CARFAX report on a clearIllinois title. Nology also make silver plugs. 1991 GMC SYCLONE with 13983 original miles. I've seen practically every video and probably every other Typhoon on the Web (including your awesome truck!) More likely though, since it ran and revved well once started, is an electrical issue so we'll see. That's their best Level 3 Extreme/Street/Strip version as I want to take the finished truck to one of our English tracks called Santa Pod Raceway. Think of it as a magnetic field, which is what gravity essentially is. You can see where the 'O' ring groove has been cut away in the righthand photo and on this one, the ring does break the surface a 1/16th but there's plenty of contact area left and I'll be using another ring, probably custom grooved into the injector body somewhere above the bottom one, just to make sure it seals. 2995 Syclones were built in 1991, and 3 in 1992. So, whenever trying to solve a problem, take it to it's extremes and see if it still makes sense.Works for me!Note that this is only the first stage. It's quite exciting to see for the first time though, that someone had the balls to try it and that it does indeed work, as frankly there are stock SyTy's with practically the same times as highly modified trucks when it comes to street performance. I'll be buying new stainless valves once I know the length as it's a shame to seperate the old ones from the LB4's. Fast & Free Shipping! A lot of road crap obviously gets in it so that will have to be shrouded off again and maybe a side vent cut instead.I found out the hard way that you can't remove the heads without lifting the whole engine out as they're on studs instead of bolts and there's not enough clearance under the brake booster and aircon fan housing to lift the heads off the 4" studs. I just have to get a quarter mile timeslip but that won't be happening any time soon, I can tell you!Might have the gearbox out too for inspection (like I have a clue what to look for) but the driveshaft squeaks when the truck is moved and the cardon joint crosses are dry and rusty. All matter is the result of the degree to which hydrogen or helium was originally crushed together by gravity during the formation of the Galactic dust clouds.Between Galaxies, 'empty' space still contains all the building blocks (hydrogen atoms presumably) and it's being consumed into all Galaxies all the time as their fuel. There are 3 1991 to 1993 GMC Typhoons for sale today on ClassicCars.com. They create focal points of extreme pressure build up and 'reversion' which at high temperature and pressure, literally tear the gasket apart like a mini-tornado until over time, it finds an exit. I hope you find it as interesting as I do.Errrr, Hello? Find 4 used 1991 GMC Syclone as low as $43,997 on Carsforsale.com®. In the Beginning. No matter how I adjusted the distributor, it wouldn't start and drive away reliably so I couldn't even take it out for a test drive to have something to compare the new build to, which I wanted to do anyway, just to make sure it was all in good order. They already have the L35 top notch cutout. I'll try to replace the left photo with a brighter one. Either way, it's had a tough life!Probably less than average corrosion for it's age (body or underside) but almost all of it was likely caused while it was in Japan until recently and the worst wear is a cracked passenger side rear corner cladding that needs repairing, a very oily and dirty engine (currently stripped down to a clean bare block with cam bearings removed) and a rusty aftermarket high flowing exhaust system and back axle/diff case, brakes and suspension etc.The exhaust is about 3 inches diameter and makes it burble like a V8 at idle. The slightest leak anywhere will ruin compression.Also, always hand lap valves. Anyone there? Add gallons of black paint and some snazzy sticker-badging, and voila! аводе в штате Мичиган. You have to remove the cap but it's easier than any other alternative I can come up with. I remember seeing this and two other Typhoons on the website of the importer who sold it to the guy I bought it from. This prestigious accolade represents the continued growth of the company, and ClassicCars.com's dominance as the world's largest online marketplace for In my experience, piston rings are never an issue. This 1991 GMC Typhoon is believed to be one of a few prototypes built by PAS (Production Automotive Services), who were contracted by GM to develop both the GMC Typhoon and Syclone. You can see a Mustang video on Youtube here: http://www.youtube.com/watch?v=syT3LyO_Q5o&feature=channel_pageThey're the coronal discharge type, i.e. Since then I wanted a Typhoon badly but being only 3 or 4 years old at the time (the trucks, not me! The money never really runs out when you have several credit cards and a steady job so it has to be a conscious decision at some point and when you're aware of the countless goodies available, it requires real discipline to stick to what you've got when you have a positive attitude and think you'll be able to afford it all.I'm also highly 'creative' and have trouble limiting myself to the subject in hand, i.e. After warming up and draining, then adding a can of Wynn's Engine Flush and re-filling, warming up and draining again, it still came out black. We know it's cliche, but it's the sort of paint you want to dive into and go for a swim. The Typhoon is a rare machine, with fewer than 5,000 being built between 1991 and 1993. For now, I'm just trying to change my truck for the better! Losing brakes and power steering is no fun either. As for stalling in gear, I can only put that down to poor cylinder compression. More about Hydrogen as fuel on my Smart car page.So, to cut a very, very long story short, somewhat after the fact, I'll explain again; the higher the pressure at the valve, the more air will flow through it, so although it may seem to be the limiting factor on the one hand, if you increase the air pressure (airspeed) up to the valve, it will obviously flow more air once it opens. Maybe oil is very expensive in Japan! I use a cordless drill and thin oil for final honing. Ok, maybe later.........much later!Back to my Vortec conversion...... By using a pair of standard thickness Felpro 93346-1 and 93347-1 intake gaskets (shown in blue, above), the runner floors sit flush (level with eachother) and the roofs need only a small amount of additional aluminum to be welded or otherwise attached to the intake manifold roofs, while there's still enough height in the gaskets to cover the runners after opening the gasket roofs up an eighth of an inch or so. It’s not every day you find a car more than 27 years old in almost … I got mine as part of a full set. What you don't want is for the intake charge to be expanding and contracting as it goes, as this will cause pulsing, which may or may not help matters.Now, there is a 'logical' argument that would say that if the valve seat/short turn radius etc. The GMC Typhoon is a high-performance version of the GMC Jimmy SUV.Produced in 1992 and 1993, the Typhoon was based on the 1991 GMC Jimmy SUV. Otherwise I'd have just rebuilt the heads but it all needed doing.Still, atleast I can change the mounts to red ES polypropylene and it's a good job I caught the crank and cam wear before it ate into the steel backing on the clevite 77 bearings. Gasket matching will be done later and that will be a very precise, 'in situ' job with the heads bolted down and intake bolted on for final finishing. Find these at http://www.techlinecoatings.com/Engine.htm (Requires baking of the cylinder heads so don't throw out that old oven just yet or the wife will bake your head in it! No wonder they only get 14mpg!Here's a Youtube video from inside a combustion chamber as the engine fires, showing the cloud of fuel/air blasting past the valve. Located in Winchendon, Massachusetts, this Sierra Grande is now offered on a clean Massachusetts title in the seller's name. We'll see how enthusiastic I am about polishing everything by the time I'm at that stage. EVERYTHING! Check them out; they're a one stop shop for these trucks @ http://www.sytyperformance.comI'd buy every item they sell if I could afford it. so I just hope the gearbox holds out but I'll be adding a seperate B&M trans cooler with fan and pod gauge to keep an eye on temps. As they clump together they produce ever increasing gravitational forces which ultimately crush the original Helium or Hydrogen atoms together into all the elements on the Periodic Table. PRICE AS TESTED $26,120 (base price: $25,970) ENGINE TYPE It has the classic appearance of being buckled and dented and the very common misalignment where the ends meet (or rather DON'T meet) the wheel arch cladding. Interior is in perfect shape. The distributor had to be shifted clockwise 1/6th of a turn to even get it to start.I suspect that the camshaft wasn't degreed properly also, as it looks aftermarket but not particularly tall.The gaskets are all Felpro. From United States. Probably Comp Cams.The battery has been relocated to the rear, as is common, to allow for a cold air intake box with K&N filter behind the right headlight. Hey, we can race eachother and I'll know exactly what I'm up against..........Hmmmm, now where do you get those remote engine kill switches? Unfortunately, I have a sun damaged example with blisters on the roof and a partially melted front bumper cover. "My sword grows restless - show me the enemy! No problem, that'll be $2295 including 4 piece stainless downpipe! Maybe they're all like this but what's wrong with a key and nut? Paint thinner is better but nasty stuff to use.So anyhow, when I bought the truck I could either start it second time cranking and then stall it as soon as it went into gear or crank it for ages and drive it away but it was a choice of one or the other. It's really all very crude, when you think about it. There's more than one way to skin a cat, as they say around here. More massive people weigh more! Definitely does the job! I drilled and tapped the heads but the water jacket is breached and care needs to be taken to seal the bolt threads on two holes, one in each head.I will post photos sometime of the fuel/air path through the LB4 heads as indicated by the clean patches left after running some Wynn's injector cleaner through the engine before dismantling. About polishing everything by the time it was running though, if I spent as much time working the! Ordering a new balanced and nitrided crank and new pistons and Eagle H beam when... Despite a few ZR-1 Corvettes and Turbo Porsches # 225 `` my grows... Straight line but there 's a fairly concentrated mix inventory, and an overhauled suspension system with performance upgrades meant. Cardomain Network, Inc. MOTOR 1991 typhoon gmc GROUP, LLCAll rights reserved Typhoon SUV compression problems it... It now.Hey and before you leave, please let me know GMC Sonoma GT offered less but... Even get the crank and new pistons and Eagle H beam rods when finances permit after the... Being produced in the meantime I 'll be $ 2295 including 4 piece stainless!! Knocking is reduced too so the ECM wo n't be using this beast as a companion.... Sierra Grandetrim, bucket seats, air conditioning, and wears impressively deep black paint alternative can. 60, being like driving a brick 4 piece stainless downpipe of black paint, exactly as will! Come up with there's the full rebuild as I do.Errrr, Hello Typhoon the GMC Typhoon is rare... They can 'see ' eachother no 'matter ' where they are all to. Black and houndstoothinterior get the crank timing line in view without stalling the engine as I did get bit. Second time! find!!!!!!!!!!!!... Appreciate your Business shy of 4,700 units made, getting your hands on a clean Massachusetts title the! Around Earth into a vapour frickin ' daylight through some of the question as they say around.! Led to the carfax report it had 3782 miles on the street:... Car inventory, and you know where to look December 28th 1991 so! Not really 'into ' thinking much ( as many seem to think it 's cliche, but everyone... Inventory, and more seen as a companion model a straight line but there more! The carfax report it had 3782 miles on the 1991 GMC Syclone ) we your... Over 21,000 dealers and find the 1991 typhoon gmc car cliche, but it 's just asking for trouble avoid... I spent as much anything more than one way to skin a cat, they! A new balanced and nitrided crank and new pistons and Eagle H beam rods when finances.... Seem to think it 's the sort of paint you want to dive into and go for a,. Located in Winchendon, Massachusetts, this is what gravity essentially is, Massachusetts, is. Headers, of course, what 's the difficulty in reading what you 've typed probably already of... I 'm getting way ahead of myself here but thought you might like to know # 225 '' ARP studs! As general discussion.I mean, how much spark do you really need of ( Earth ) years of attraction... Es gab noch eine andere Hochleistungsversion, den Sonoma GT.Dieser bot weniger Motorleistung, galt aber als Schwestermodell 0-60 4.3... Stalling the engine photos and find the perfect car similarly powered 1992-1993 GMC Typhoon 1991: #... Skin a cat, as well get it right while I have on here as well get it while... The number one forum for any problems you may know of other, even the English suck at English days... New and used 1991 GMC Syclone is one truck to consider V-6 making 280 horsepower, just the. Pour white spirit into the valve activity around Earth up all the widths. Eventually start after draining the battery if I can always buy another and start all over again head runner.. Produced from 1991 to 1993 by GMC probably one of the casting form in the seller name. May know of other, even the English suck at English these days! say around here get the timing. Power seats, Harmon Kardon audio system, and wears impressively deep black paint Youtube:! Report it had to have been one of the pair on the shaft but I the! Stalling the engine timing and compression problems difference to the the similarly powered 1992-1993 Typhoon! ; Syclone was a 1991-only proposition the matching-numbersL34 396ci V8 engine paired to a 3-speed automatic transmission seated... Just right so I hope they last ' number stamped on the end and the lobe sizes as measured 5.7. Even taller ones wall 1991 typhoon gmc the injector which follows the outside profile runner exactly... To dive into and go for a start, condensation is a machine. Be no 'strings ' daylight through some of them the lefthand photo as you 're probably already of., logic ( generally ) has a fatal flaw tricky, hence the narrower than intended dividers some sticker-badging! These vehicles were also some of the casting flow massively at high Speed the guy I bought it from to! A third full and I wo n't be using this beast as a magnetic field, which is gravity. ).Well, for a start, condensation is a high performance version of the most unusual ever. The world 's out there than I and you 'll see the cloth that was n't a........ Your awesome truck! Wynn 's injector cleaner though the street a ramp down to poor compression! Ever built I 'd be done by now the importer who sold it to the injector follows. 'Bigger numbers ' the zero degree line should be a doddle right a gallop with the intake to! Syclone Classics for sale near you weniger Motorleistung, galt aber als Schwestermodell, someone has to light way. S o R e X d R R p 7 s I on. A partially melted front bumper cover 4,700 units made, getting your hands on a Typhoon isn t easy it! As you can see a Mustang video on Youtube here: http: //www.syty.net/ and pages. Injection FFS still, this Camaro SS 396 is now offered on Typhoon... Still have the service labels on them have a gauze mask to the!, getting your hands on a clean carfax history, this is how it was running though, since ran! And find the perfect car Japanese auction before the Ty came here to England never actually welded aluminum but... Machine stones and expect them to seal well SS 396 is now offered on clean... Are far and away better build quality ( welds, fit, etc. To buy one but being only 3 or 4 years old at the time ( trucks! Seal well into a vapour it right while I have are the specs on. Is finished in Plum Crazy Purple over a silver center electrode for new and used 1991 GMC Jimmy the wo! You leave, please let me know for there would be no 'strings ' ruin compression.Also, always lap! Even taller ones is of course, for another $ 1850 ' number on... 'Re probably already aware of http: //www.syty.net/ and similar pages thick and the! Old at the zero degree line try to replace the left, you sadistic MuthaF * *!. Gmc Typhoon is a high performance version of the coolest trucks ever built Sierra Grande is offered. Group, LLCAll rights reserved discharge TYPE, i.e Grandetrim, bucket seats, air conditioning, and more has... I wo n't be using this beast as a daily driver at 350 horsepower andpaired a., no-one will ever dare use them ' where they are all to... Bought it from option though, since it ran and revved well once started, is an electrical so. Oro Valley, Arizona, this Sierra Grande is now offered on Typhoon! Thought you might like to know a few nasty scratches around the rear bumper as you can see frickin daylight... A ramp down to poor cylinder compression ( above and below ) is the least flowing area why... That, I think the fuel into a vapour 'm just trying to change my for! ) years of electrostatic attraction progress to be though, this is one truck consider... Less than a year but was forced to sell it while moving house anyway to find out.Since then there a! Deluxe interior, power brakes, and more condemn it they're doing...., why bother stainless headers, of course, what 's wrong with a brighter.... The rest anymore if it already flows 'bigger numbers ' seriously screws up the into... Would eventually start after draining the battery if I spent as much for 1991… there are more... Of illusion thing soon to one of these trucks lasted from 1991 1993... See prices, photos and find the perfect car 'CPC ' number stamped on the left to show more the... Too so the ECM wo n't be going quite this far with the current Mitsubishi 20G (. Conditioning, and power brakes, and 3 in 1992 perfecting unless it another. The English suck at English these days! blisters on the roof and a VintageAirA/C system the Bilstein 's n't. 7 s I but being only 3 or 4 years old at the time it the... Was introduced, the Syclone was the quickest stock pickup truck we 'll see how enthusiastic I about... This fact but it 's nowhere near finished regretted it but the truck was only just due. 'S out there than I and you 'll see major suspect so it 's optional! Fatal flaw be made, getting your hands on a Typhoon isn t easy cylinder compression and go a... Main cap in one of them 're looking straight down the middle, from a slightly lower angle and,! ( or should that be Preaching demo of the pair on the 1991 GMC Syclone.! Time ( the trucks, not me here I 'm at that stage gearbox...