sts turbo on hemi - Page 2

bobbylight · #11 09-27-2007, 08:44 PM

http://video.google.com/videoplay?do...&plindex=4

the only good one i could fine but damn that sounds awesome

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FrostKing · #12 09-28-2007, 05:24 AM

www.putfile.com/hemivids

I have a bunch of race and other vids + pictures.

hemifever · #13 09-28-2007, 06:39 AM

I believe what kenihemi was saying earlier was not to get JUST the smt6 for the turbo. But to get the whole package with smt6, 8 larger injectors, and 2 bar map.

Yes, stick with 7psi on a stock engine.

This is my thoughts and what you do is totally up to you with downshifts. So far, the turbo folks are the only ones surving the downshifts. I have downshifted plenty on a stock trans with 10 psi of boost which is 700# tq at the flywheel. When you downshift, the engine goes to 0 vacuum and 0 load. Once the clutches have fully engaged, boost ramps up. It's having all that power in the middle of a downshift like the n/a and supercharged folks that is the main issue. Again, it's never recommended but it does appear the turbo folks have survived it SO FAR. knock on wood. lol

M15 · #14 09-29-2007, 05:29 PM

Hey if you had overdrive off and you downshifted will the trans still downshift into the weak prime 2nd gear?

kenihemi · #15 09-29-2007, 07:59 PM

Yes.

1SlowFormula · #16 01-21-2008, 10:45 AM

sorry for bringing back an old post but I am looking into a few things...

For those with the STS setup has anyone towed with it and how does the towhaul mode shifting effect the tranny issues with the prime 2nd gear?

kenihemi · #17 01-21-2008, 06:19 PM

Turbos on gasoline engines is not a good idea. The exhaust temps go through the roof.

STS has a disclaimer about that when you buy their turbo. NO TOWING.

Turbos make more power and create more heat as the engine load goes up.

M15 · #18 01-21-2008, 09:07 PM

Man thats a huge letdown. And then if you go with a supercharger you cant downshift without breaking the tranny. So for us guys that tow it looks like we would have to go the supercharger route and get an upgraded tranny too right? Or can we somehow lower the boost on the turbo while towing to keep the egt's low?