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  1. thehemi

    Mecum: When Trucks Were GM’S Fastest Cars: The Syclone and Typhoon

    Basically an advertisement, but a nice article... Mecum: When Trucks Were GM’S Fastest Cars: The Syclone and Typhoon http://blogs.discovery.com/velocity/2012/04/mecum-when-trucks-were-gms-fastest-cars-the-syclone-and-typhoon.html
  2. thehemi

    WTB: Turbo Blanket

    I'm looking for a turbo blanket for a stock SyTy turbo. Or if there is a good one I can buy online, direct me...
  3. thehemi

    Stock Turbo Bolt Pattern

    What's the bolt pattern of a stock turbo where it mounts to the downpipe? I'm missing one of the nuts and need to know what size I should shop for.
  4. thehemi

    Good exhaust system?

    What's a good exhaust system for a nice rumble from SyTys? My S10 has SyTy manifolds, turbo and downpipe -- but I want to make it sound better. Currently I've got a Dynomax Super Turbo catback (with stock cat) and it doesn't sound too much different than stock. Would a cat change make a...
  5. thehemi

    Air Intake Crossover Tube

    The black air intake crossover tube on SyTys, is that for bringing in air from the air filter across to the turbo? Do you think it can hold in boost if I were to use one for sending the boosted air across the fan to the driver's side to an intercooler? (This is not in a SyTy truck...)
  6. thehemi

    Hayden Electric Fan Switch

    Hayden Automotive 3647 http://www.summitracing.com/parts/HDA-3647/ * Fan Quantity: Dual The specs for this relay say its for dual fans, but the diagram in its instructions don't specifically show 2 fans. Do I assume I can wire up both of my (LT1) e-fans through this unit? Or if my fans have 2...
  7. thehemi

    Pinks All Out in Dallas

    Any Syclones/Typhoons going to compete at Pinks in Dallas?
  8. thehemi

    Stock fuel pressure and injector size?

    Ok, I need some education on fuel pressure/injectors for SyTys. What is the size of the stock injectors? What is the stock baseline fuel pressure? And, baseline fuel pressure, is that measured at idle with vacuum? I don't have a SyTy, but I'm using SyTy injectors, so I'm trying to get a gauge...
  9. thehemi

    Stock Downpipe

    Does anyone have a stock downpipe available at a good price? PM me!
  10. thehemi

    Stock Fuel Injector Specs for Tuning

    Okay, I need a couple of the stock specs so I can start my tuning. What is the factory flow rating and fuel pressure on a stock SyTy? My understanding from searching around would be 29# @ 43.5psi? And how about the injector offset multiplier vs volts for the stockers? I'm running stock SyTy...
  11. thehemi

    Custom downpipes for 2WD trucks?

    This is a major long shot, but I figured I would go ahead and ask. Does anyone make/sell downpipes designed for use with 2WDs? I have a '99 2WD 4.3 and it sure would be nice to have a downpipe that I can just bolt-on and go. I had one custom made by a buddy but it's not quite right. Trying to...
  12. thehemi

    1/2" NPT oil drain flange?

    Does a 1/2" NPT oil drain flange exist for a stock turbo? I'm going to run -12 AN for my drain, but I cannot find the 1/2" NPT oil drain flange yet. Am I going to have to go to 3/8" NPT, run a -10 AN fitting and just go -12 AN for the rest of the line and into the pan?
  13. thehemi

    WTB: 1/2" NPT oil drain flange

    What do I need to look for when buying an oil drain flange? Stock Syclone turbo, but need it to be 1/2" NPT connector. I see all sorts of TD06 and T3 flanges, but they seem to be varying in distance between the bolts, so I'm not sure which I'm suppose to get. I wish I had a metric ruler... :roll:
  14. thehemi

    Turbo Leak Help

    Let me try to give details w/o being boring... I'm putting a SyTy turbo setup on my S10. -4 AN oil feed line and -8 AN oil drain line. Initial start-up, oil leaking (intake and exhaust). Maybe -4 AN is too much of a feed line? Installed a 0.073" nitrous jet as a restriction. Start-up again...
  15. thehemi

    Turbo Block Off Plate?

    Ignore this message... LOL
  16. thehemi

    Turbo to Downpipe Gasket

    From the factory was there a gasket between the turbo and downpipe? If so, where can I order a few of them? If not, what's a good material to use to construct some gaskets? I need a few for just a bit more spacing.
  17. thehemi

    turbochargers.com

    Has anyone used turbochargers.com (Houston) for a turbo rebuild? Opinions and comments? Does anyone have another suggestion for a turbo rebuild shop in the greater Houston area?
  18. thehemi

    Oil Restrictor

    I'm installing a Syclone turbo into my '99 S10. I rebuilt the turbo myself (perhaps a bad idea) and now that I got it running, I've hit a problem. After a few minutes of operation, I'm getting oil in the air intake tubing. Plenty of oil, not drops. One buddy says I may simply need to install...
  19. thehemi

    Which direction to mount the crossover?

    Which direction does the stock crossover pipe mount? There's a bolt in the front, does it point down or up? In my test mock-ups so far it seems like it could go either way? I notice one side of the crossover is longer than the other, maybe that gives me an indication of which way it should be...
  20. thehemi

    Heat Shield

    Did the SyTys come with a factory turbo heat shield of any kind? If not, does anyone have suggestions for an aftermarket one? I'm getting close to putting the turbo in my S10 and I'm interested in a heat shield -- assuming they're worth using?
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