Recommended Upgrades to handle v8

**Snapperhead** · 12-17-2010

Hello looking for advise on 4t65e upgrades to handle the load of a 550hp 5.7 V8. This is in a Fiero not a GP but I thought I would come to a land who knows the beast the best. This winter I will be swaping over from a manual trans to the 4t65e for a more stable platform. Thanks for any help and advise, oh it does have an adapter plate so it is on the correct bolt pattern.

I did post this in the introductions forum as that was all the system would allow me to post in on the first post.

**matt5112** · 12-17-2010

hardened everything.

1" chain....

If you cant find one, get a different transmission.

That is all.

**FoSHO99** · 12-18-2010

If the car was maybe 2500lb-3000lbs, you might get away with a 7/8ths chain. The 1" chain is hard to find, expensive and only comes in 3.29 ratio. The 7/8ths chain you can find in much more ratios for your needs, if anything, you may want to check the chain for stretching every so often.

Your probably going to want the tranny to shift pretty hard as well, so your probably going to need to be able to bump up the line pressures on the trans in the pcm and on the trans itself. Probably going to need a steel channel plate gasket to handle that.

Is the car N/A, s/c or turbo? There are torque converters zzp sells, but you may want to go with a custom converter.

300m input shaft, hardened output shaft and pump shaft. Most transmission builds of the 4t65e don't last very long when built by someone else not experienced with this type of trans. We have zzp, triple edge performance, tim king at intense racing and a few other shops around the U.S. that do excellent work on the 4t65e's.

**blueguy** · 12-18-2010

I'd get one from Dave @ Triple Edge Performance...I love mine and beat the snot out of it...he's a great guy, does awesome work...and its very resonably priced for what goes into them.

**gtpinsc** · 12-19-2010

Originally Posted by bluegtp91

I'd get one from Dave @ Triple Edge Performance...I love mine and beat the snot out of it...he's a great guy, does awesome work...and its very reasonably priced for what goes into them.

X2 .. dave has GREAT customer service and his work is top notch.
heres his link Triple Edge Performance - Home Page

fixed your typo too nick

its reasonably.. not resonably.

**intropiles** · 12-30-2010

Originally Posted by Snapperhead

This is in a Fiero not a auto parts transmissions but I thought I would come to a land who knows the beast the best.

I think this will be the beast of the best! LOL

**JoshsGTP** · 12-30-2010

Originally Posted by gtpinsc

X2 .. dave has GREAT customer service and his work is top notch.
heres his link Triple Edge Performance - Home Page

fixed your typo too nick

its reasonably.. not resonably.

3X go to Dave

**Snapperhead** · 12-30-2010

Originally Posted by FoSHO99

If the car was maybe 2500lb-3000lbs, you might get away with a 7/8ths chain. The 1" chain is hard to find, expensive and only comes in 3.29 ratio. The 7/8ths chain you can find in much more ratios for your needs, if anything, you may want to check the chain for stretching every so often.

Your probably going to want the tranny to shift pretty hard as well, so your probably going to need to be able to bump up the line pressures on the trans in the pcm and on the trans itself. Probably going to need a steel channel plate gasket to handle that.

Is the car N/A, s/c or turbo? There are torque converters zzp sells, but you may want to go with a custom converter.

300m input shaft, hardened output shaft and pump shaft. Most transmission builds of the 4t65e don't last very long when built by someone else not experienced with this type of trans. We have zzp, triple edge performance, tim king at intense racing and a few other shops around the U.S. that do excellent work on the 4t65e's.

Thanks for the tips. The car is about 2700lbs, engine is n/a, no s/c or turbo. I may run a bottle if I ever get a trans to hold. Dont plan for more than 600hp about 450 now and may do a 383 stroke in a few years.

Zzp is about a ten minute drive for me, I was planning to do the trans build myself however I've been really busy and never been inside the 4t65e. Best be smart and just sublet it over to zzp.

Does the 4t65e have a sweet year to use? h/d or not?

I will be using a stand alone controller to run the trans... fill me in if you a recommendaton, I was thinking the pcs unit.

Thanks,