What will you use for Computer and fuel system. There is one guy with the setup you speak of on this board, his screen name is MONTY or MOUNTY he has TT 427 i think. You might try talking with him. He should get you in the right direction. Its a big deal to get 1200 hp from a drag car yet retaining the ability of daily driver, and all from a SB. I cant to see anyway or reason to use 1200 hp on the street. You wil need on hell of a suspension! As far as the turbos go you need some cubes to spool twin T62s.

 

My opinion.

600 rwhp is enough for any street car. If I want more than that I'll build a car just for the track and suspension the thing so I can get the power to the ground.

1000 hp is just for bragging rights more than anything else. We have a guy here locally with a twin turbo big block Mopar in a 68 Dart. According to the rumors this car is a 1k hp street car. He's a nice guys and I really enjoy ripping him at the track with my 723 hp n/a small block bracket car.

-Mindgame

 

I've been looking into turbo setups for quite a while, and I always thought if ur making that kind of power, a T56 or even TH400 would be too violent for the street or the track. In my opinion, a powerglide would be softer on the cars chassis then the other trannies. As for computer, ACCEL DFI Gen 7 is the only way for your setup. Oh and what size meats are you gonna be running on the street cause 4th gen f-body's don't have that much room under there. This sounds like a fun project though. Tom.

 

Im running a F.A.S.T computer setup, best program I have seen. However the gen 7 is suppose to be similar to the fast. I just bought some new rims for the car. They are 9.5" wide, im looking for a place to widen them to 11" If possible 345's would be nice Other wise 315's, and maybe have a pair of ET's for the weekends.
My fuel system consists of a 15 gallon cell, which I use for pump gas, and a paxton pump supplies the fuel. For race gas I have a 5 gallon cell with a weldon 2025 which supports my high boost needs

 

Interesting... 1,200HP on 345's? My lowly 500HP N/A motor blows away 315/35 BFG drag radials on the street.... I can't conceive of any tire that would handle the 300-shot on top of that... other than a very well heated DOT or slick - and even those are going to be looking for the VHT that isn't there. Having driven a 1,000+HP 4th Gen on the street (George Baxter's 30th SS) I find most of this "fanciful", to say the least..... .

 

Amen on the "fanciful" statement.

I had a hard enough time getting a full-tilt drag car stuck to the tarmac with a 1034 hp powerplant and you guys are talking about doing this on drag radials!

Jeez louise, call the insurance broker....

-Mindgame

 

So, what you're saying is:

It'd be a BAD idea sticking a 200-wet kit on top of my 396 if I'm going to run around on street tires?

Mike

 

Yes but remember with turbos you can control the amount of boost. Coming out of the hole with 8psi will result in very little spin. I had no problems controlling the car last year with around 600rwhp. The power did not come on till 60mph, thats just the way i had it setup. This, in my opinion, is the biggest advantage a turbo has over a supercharger. while a blower of the same power potential spins, I hook and graduate the power.

 

Well a guy here locally has a TT Z28, his name is Brady
(www.turbocharged.net) He has 2 T-60's with a turbo 400. the car is very streetable(no A/C, pwr steering etc) He his probably making 700RWHP with the boost setting he has been running. I was behind him at Cruising the Coast this past year rolling at 45 MPH he stepped on that thing and it started SMOKING the 325/50/15 Drag Radials on the back, laying JET black rubber marks at 45 MPH. And he has every suspension piece you can buy for a F body.
But on the other hand you see videos of supposed 1200RWHP Supra's rolling on the interstate and they seem to do ok. They must have all that boost management stuff.
I would put two smaller turbo's on myself, like a te-44, spool much quicker and make all the power you could use.

David

 

they are up there... but not quite 1200rwhp.

last i saw there was 1 that just broke the 1000rwhp mark not too long ago. there are a couple in the 900rw area, and numerous ones in the 800's.

 

what are you going by when you say it will support 1200hp but these will support 1400hp. A turbo has to be in its efficency island to run best then beyond that its just the amount of boost. You dont pick the turbo for the hp you have you pick the turbo for the engine. Then you have to play with the boost and turbine housings till you have everything how you like it. a biger turbo can actualy make less hp not because of its lag but becase of it may be operating out of its efficency. To make more power in a turbo engine you just run more boost.

Check out what i mean by using this porgram below. You want to pick the turbo map (they dont have every turbo) that has the mid-upper if not all rmp points going through the island and the max rpm around the outer ridge of the island. Check out what happens when you have a turbo thats too big and change the efficency numbers to whats showed on the map yo will ge decreased power. http://www.turbofast.com.au/turbomap.html

 

shouldn't this thread be in the forced induction discussion??

 

wow this is a great reading thread

does this mean i should cancel my dreams of a twin turbo 572" with 20lbs of boost once i am out of school and debt free?


so how how much power would you guys say is the very max for some of these various levels of streetable tires to put down (not put down like 4k rpm launch :P but to be drivable, to *eventually* be able to ahve the pedal all hte way on the floor)


295 bfg KD's (or large michelin pilot sports)
315 nitto's
295 or 315 bfg drags
the new 345 bfg drags (fit in some mini tubs maybe?)
et streets

of course with drag type suspension
how much does the actual car come into it? with the same tires/suspension and weight in the same ballpark, can a vette put down a lot more than a 4th gen f-bod? how bout a chevelle? viper??


i'm asking lots cuz i dont really know enough to actually contribute to this thread :P but it is a very interesting topic

 

Actually with the compression that you are running and the fact that you can't get traction, even on ET Streets..., I guess it wouldn't be the BEST idea...

 

For what its worth,
I was talking with George Baxter a few months ago at one of our F-Body Meeting in NJ. Even with ~1150HP on tap, he wanted more and was going to a different set up. I asked him why he did not just stick with the Lt1 Block and continue to build on that with (more boost, tuning...etc). He said he belived that at 1150HP the Lt1 "block" is pretty damn close to its limits in durability and he did not want to push it...especially for what he was attempting to do next (Even MORE HP.)

So in that respect, Mabee you dont want to push the lt1 block past 1100HP mark for a daily driver.

At this point I dont know wether to post a cuz this is one of the coolest post I have seen about making rediculus HP or
If I should post cause You are kinda scaring me Sick with all that HP on the street...Either way Good Luck in what you decide and do!

Thanks,