I own a 2003 Monte Carlo SS and I'm in the process of shopping for a trans and really looking at Thrasher, but not set on them yet. I'm going to get the stage 2 axles from ZZP regardless. But I'm on the fence about which trans to buy, the car has a turbo and intercooler it needs to be bullet proof because it will have upwards of 20psi and I dont want to have problems all the time. If anybody can give me some info on ether would be very helpful in making my decission thanks.

 

Not sure it REALLY matters. Each high performance transmission is custom built to your spec's anyways. Just depends on what you want and how deep your pockets are.
ZZP doesn't do their transmissions in house, but has a local tranny builder "Steve" do it for them.
I would think thrasher and Intense are the same, as well as all the other aftermarket houses.
Check out some of the others, like triple edge.

http://www.tripleedgeperformance.com...ssion_Info.php

 

20 PSI, that thing is going to be a screamer!

I second TEP (Triple Edge Performance)- they've got a great reputation and alot of the fast 3800 guys run their stuff.

 

+2 to tripleedge, ive only heard great things

 

x3 for T3P. he built my 12 second monte. done business with him since 2004. pm me if you need more info or how to contact him.

 

I thought thrasher closed their shop- maybe they're still running out of their house?

Anyways, I wouldn't buy parts from a place that hasn't had involvement in the community in years and years- didn't their cage car only run 12's?

At least with ZZP, they have a lot of high power customers and they have their own record setting cars running their transmissions.

Honestly, a lot of places can build a 4t65, a lot of it has to do with the parts you put into it. I don't care how good the builder is- if you put weak hard parts in there, its still not going to live. It just helps going with a place like TEP or ZZP in that they can reccomend the exact parts you'll need to stand up to your power level.

What is wrong with your stock axles?

 

20psi on a 3800 and its tranny and you want no problems. I just kinda started laughing. sorry im tired and this is humorous.

 

I had no idea about this stuff your telling me about Thrasher. Thanks I know where I'm not gonna buy the parts from. There is nothing wrong with the axles but there gonna go soon enough. The motor is getting a complete overhaul as soon as it blows up so I just want to have pretty much everything else done, or over done, by the time that happens. Again thanks alot for that info.

I'm also looking at just buying the parts from ZZP because I can get another tranny core in a heartbeat for rediculous cheap and save some $ hopefully.

 

i have a buddy with a 2002 bonnaville making 359 hp with zzp stage 2 axle btw. last year he took it to the track and done a burn out in the water box, guess what happen? his zzp axle snapped. he took it to the transmission shop and show them his stock axle and zzp axle the shop told him both axle are the same and nothing special on the zzp axle.