. haha. 
BHP of a bolt-on and tuned car?
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From: Lafayette/West Lafayette, IN
BHP of a bolt-on and tuned car? I wasn't sure if I should put this here, or over in the dyno forum, but here i am... Anyway, I've found myself talking to a few people recently who aren't the biggest car people, so they don't know the difference between RWHP and BHP, and they've asked me what I have for HP now that I've done the stuff to my car that I have. I didn't really know what to say. I know they are looking for BHP number since that's what cars are advertised with. I would like to know what my car probably has realistically now after the stuff i've done. I myself have also been wondering how mine compares to the LS2 cars with 400hp. I have done all of the bolt-ons except the UD pulley and an electric water pump, and I just recently got a great tune by Green Light Motorsports, and it feels a lot better now than it did before. If you had to make an educated guess at what i can tell me I have for BHP now, what would you say I have? (also, I've never even been on a dyno, so I have no idea the RWHP numbers even... I should be in the 12.8 range next time to the track on a decent day though)
Thanks for the help
Thanks for the help
If it was a good tune, you are probably in the 360-370 at the wheel range. using the standard 15% translation, that puts you somewhere in between 410-420 crank (bhp). So not having any proof, if it were me, i'd just call it at 405-410 to be on the safe side.
Keep in mind this is highly speculative and based on averages. You could dyno your car and be way above or nowhere near these numbers.
Keep in mind this is highly speculative and based on averages. You could dyno your car and be way above or nowhere near these numbers.
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Originally Posted by 99RebelZ28
From what I've read on here mostly all bolt on cars don't go much above 350rwhp so I would say 360-370 would be a little high.
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I put down 342hp w/ cut out opened, no cats, stock exhaust manifolds. But that is w/ M6. With the A4 you should get a high stall converter, w/ good traction you will be deep in the 12's.
