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  1. psfracer

    Engine buildup advice

    I have no first hand experience with the limits of the stock manual trans and clutch. My experience is with the auto. Possibly someone else can jump in and help you out with that. I know with the 3.4 whipple, a friend of mine has already dyno'd at 719rwhp with 20psi. You will be in good...
  2. psfracer

    Engine buildup advice

    Don't forget the rest of the drivetrain---what transmission are you going with? Rear suspension? As far as the engine, what kind of boost are you looking at to get to 800rwhp? Supercharger, turbo, other? From what I have seen, on any supercharger your looking at around 25psi. When you go...
  3. psfracer

    whipple vs kenne bell vs eaton

    Ok, then you may want to research what the autocross guys are running. Twinscrews are awesome at the track with the right tire, but not so sure about autocross. I will say twinscrews are the best for that "seat in the pants take off feeling", and it will definitely make the car fun. But, in...
  4. psfracer

    Supercharger recommendations?

    Yeah, I always refer to the horsepower as rwhp. So if the kit is rated at 500 hp (at the flywheel), then typical drivetrian loss is around 15%, which would make it yes around 425rwhp---with a good tune the stock bottom end can survive at that level---many are higher then that. I will say...
  5. psfracer

    Supercharger recommendations?

    Many live long lives at 450. That picture was meant to show you how small the rods are that many push to 500rwhp. Not much bigger then your typical toothbrush.
  6. psfracer

    whipple vs kenne bell vs eaton

    What are your goals with the car? 10's? Faster? The KB or the Whipple are easily capable of 11 and 10 second timeslips. I like the whipple kit because it came with the GT500 dual pumps, it really is a complete kit. That being said, you can make plenty of power with the KB as well--just...
  7. psfracer

    Supercharger recommendations?

    Haven't heard about that. Any year 05 and up, when your at 500rwhp your on thin ice when the bottom end is stock. Some that are well tuned, or not racing that often are surviving, but I think failure at that point is not a matter of if, its when. I built my bottom end with JE pistons, scat...
  8. psfracer

    FI versus Nitros

    I like the whipple. I really like the fact that it comes with the dual GT500 pumps also, so it really is a complete kit. I used to run nitrous, and nitrous definitely has some advantages, but the bottle refills start adding up after a while. Plus, because of the plug design the 3v has...
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