Sam1647545489 Posted October 27, 2009 Report Share Posted October 27, 2009 What is the most hp that can be made in any application with a stock 60mm throttle body and or a 70mm for a 5.0L motor. Any thing can be done to the motor just needs to have a stock 60mm or a 70mm throttle body. Its for a bet with a friend. Need actual proof if possible. Quote Link to comment Share on other sites More sharing options...
rl Posted October 27, 2009 Report Share Posted October 27, 2009 I've made 570/700 through a stock 65mm throttle body. On a turbo car you can make a LOT of power, I dont think the throttle body would be the restriction. The turbo was my limiting factor (64mm). Quote Link to comment Share on other sites More sharing options...
Buckeye1647545503 Posted October 27, 2009 Report Share Posted October 27, 2009 I am pretty sure the block is more of a limit than tb under boost but dynobrian or mike ward might shed more light than I Quote Link to comment Share on other sites More sharing options...
Sam1647545489 Posted October 27, 2009 Author Report Share Posted October 27, 2009 I am pretty sure the block is more of a limit than tb under boost but dynobrian or mike ward might shed more light than I It can be any combo of block, pistons, heads whatever, just has to have less then a 70mm Throttle body. I am saying 700hp is doable, friend does not believe me. Quote Link to comment Share on other sites More sharing options...
rl Posted October 27, 2009 Report Share Posted October 27, 2009 I'd bet that my car with a 60mm throttle body would make over 600rwhp through a C4. I'd be pretty confident. If not then turning up the boost would do it. I don't see it being a limiting factor. more pressure = more cfm through the same oppening. Though Mike Ward or Dyno Brian might know better than me... Quote Link to comment Share on other sites More sharing options...
Buckeye1647545503 Posted October 27, 2009 Report Share Posted October 27, 2009 At some point heat (intake charge) whould be a limit I think but 700 is probably not far fetched Quote Link to comment Share on other sites More sharing options...
rl Posted October 27, 2009 Report Share Posted October 27, 2009 At some point heat (intake charge) whould be a limit I think but 700 is probably not far fetched W/A intercooler? Heat wouldnt be an issue any more than with any other FI car. It wouldnt be hotter because of a smaller throttle body. There would be a large pressure drop accross the throttle body at some point. I run a 90mm throttle body for better air distribution in the plenum, otherwise I'd still be running a 70mm throttle body. I never had my truck on the dyno with the 76mm turbo, but it trapped 4mph faster than when it made 570, an that was only at 14psi. If I was running the same 17psi I was with the 64mm turbo it would have been MUCH higher. That was with a 65mm throttle body, a GT40 intake, and stock GT40 heads. I wasnt limited by anything other than the presssure I was running. Sure, it would have made a lot more with better parts, but I also could have made a lot more with what I had. Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted October 27, 2009 Report Share Posted October 27, 2009 with a boss block, and a 65mm tb...shit..i have seen guys go from 90mm back to 75mm due to tip in hesitation issues, and still make upwards of 800hp at the wheels. go on turbo forums, you'll find this answer much faster..lol Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted October 29, 2009 Report Share Posted October 29, 2009 oh, btw at the track sunday, the black 86 gt that was runing in the high 8's, has a 75 mm TB on it.... just so you know Quote Link to comment Share on other sites More sharing options...
NTHER91 Posted October 29, 2009 Report Share Posted October 29, 2009 Sam it's very doable du to your forcing air in it the tb isn't that big of an issue at that point .. I'd say u won and I'd prove it but I'm at work Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted October 29, 2009 Report Share Posted October 29, 2009 yep a little 352 small block with a 325 shot.......ran a best of 8.70@158 cutting 1.3 60' times..with a 75 tb..lmao its a renegade class car...and the cam is small at like .555 lift or something like that. Quote Link to comment Share on other sites More sharing options...
Stimmel1647545512 Posted October 29, 2009 Report Share Posted October 29, 2009 WITH BOOST ALL THINGS ARE POSSIBLE:D Quote Link to comment Share on other sites More sharing options...
dover Posted October 29, 2009 Report Share Posted October 29, 2009 03 cobra stock throttle body/stock motor/turbo kit.. 700+ = you win the bet my friend ask me how i know this Quote Link to comment Share on other sites More sharing options...
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