I'm going to launch in third gear just to keep from doing a full quarter mile burnout.
Coming from experience, this won't work. I tried 7k @ 20 lbs of boost, 2nd gear on small slicks. Just bogged, then I was left sitting on the line not moving in 2nd gear and with no boost
I'm just saying, a roots and turbo combo is pretty much the best you can get for the cash. I know a whipple breathes better up top and doesn't get as hot, but once the turbo is spooled, that supercharger is out of the equation anyways. It's bypassed, and then only like a 2 hp parasite.
In your opinion it is....seriously man look at all the huge hp builds in the world. They aren't twin charged.....look at any UGR car or big AMS build. They aren't using a twin charged set up.....so it's not the best bang for the buck. Stop acting like it is. Any time anyone does a twin charge setup. People say oooh cool. And then listen to how the tuning and fab to get it 100% right was a huge pain. And they wouldn't ever do one again.....
And that m90 is always still spinning. The loss on it doesn't go down the faster it spins. Bypassed or not. It will be eating 35-40 hp at the minimum.
In terms of which will work better. This quad turbo will be better then your m90 plus a turbo on a BP. In every way possible.
If I had the time, I'd build it just to have on display in my office. As far as being drivable... not so much. We replace twin turbo setups quite often with a more efficient single turbo and pick up gains everywhere. There are no cheap junkyard options that would be suitable for this, so it would require about 4k dollars in turbos to complete. For 4k dollars, you'd have a custom trimmed gtx2876, which would be more than enough charger to propel a Festiva into Balivion (a place you go when punched in the skull by Mike Tyson).
Driving for me is neither a right nor a privilege. Driving is my passion, as it was for the people who invented the automobile, the people who paved the first roads and the people who continue to improve the automobile. Please respect this passion.
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