Exhaust housing on GT4202 turbo

 

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From looking at the pics- it appears that the car will still be FWD, I hope he's got something else planned for the car- a 4t65 definitely isn't going to handle 800whp in a street car, regardless what parts are in it.

Also seems like there would be no way you could hook that much power FWD on street tires either.

 

You'd be surprised with what you can do with a front wheel drive platform. I've seen plenty of front-drive imports pushing 5-800 hp that hook good and are fairly reliable. Grant it, they are typically lighter and have manual transmissions. If it's done right, I think it'll work. I do agree that the trans and half shafts/axles are going to be weak points. I have a friend who was running 11's with his 3.8 sc gtp and he had a bunch of hardened parts but kept breaking stuff.

 

 

for the money hes putting up, i sure hope everything is perfect. did he exactly say how much all this work is going to cost?

 

 

ZZPerformance hit high 8's in the 1/4 with their 3.8 FWD GP. That's a 900+hp car, running a 4T65E-HD. The axles are the week point.

 

Trust me, I've been around wbodys enough to know what they're capable of- the big problem is that the 4t65e is not made to handle nearly that kind of power. The stock LS4 guys have reliability problems, as do modded 3800 guys. When you start getting into the 500+ whp level, even a heavily modded transmission just simply isn't strong enough if you have real tires. I don't know how many threads I've seen on clubgp of guys with 450-600 whp turbo 3800 setups do a complete demod due to transmission breakages, and he plans on 30-40% more power than that!
Now that the 1" GMR chain is discontinued, the problems are just going to be worse; as the chains in service now stretch, they're going to have to buy up other sets to replace theirs.

The other sticking point will be traction- this guy is planning 800whp with boost, and you figure the max width you can run is what- a 255 or so? The thing will have to run DR's on the street to have any hope of traction. Slicks would be the only garauntee of traction, but then that kills the ability to use the car on the street much- and forces you back into the broken transmission problem.

IMO thats an apples to oranges comparison. You could also argue that the GM race team ran the 4t65e in their 1000+ hp cobalt drag cars.

However, there are a few key differences here- one being that the ZZP car is nowhere near street trim- that thing has been weight-modded to the max, and I'd bet its almost a 1000 lb difference between that thing and a regular street car (add to that a passenger, and cargo on a street car). The other thing is, they don't use the zzp drag car for street driving, so it doesn't rack up any mileage or wear and tear from daily use, and they rebuild transmissions in house; so the only downside to blowing a transmission is having to pack up early at the track. For a consumer, having to keep rebuilding the transmissions (especially with a hard part failure) gets too costly too quickly.

The axles would be the least of my worrys with a car like that- you just buy the adaptors from GM to run the Porsche axles like they do in their drag car, and they should be pretty non-issue.