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SVT Shelby GT500
Bench racing: Heat Exchanger VS. Pulley/Tune for first mod.
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<blockquote data-quote="GT Premi" data-source="post: 14291727" data-attributes="member: 121775"><p>Easy. Scrub heat. A pulley and tune aren't going to do you much good when all you're doing is building up heat even faster, which means you're heat soaking even faster. You'll want to go with cooling first. And you'll want to get more cooling than you need. That way you'll be ready for future heat-generating mods. To echo bars above, I had mine dyno'd after I installed my Whipple. After heat soak, power was down into the 610s at the wheels. They iced the blower then did a hero run and it came up to 690 at the wheels. So I'm going to estimate that with my Killer Chiller, Super Cobra Jet oval throttle body and VMP tune that were all added much later, I'm probably pushing near 700HP at the wheels. (Might actually be right at 700 including the carbon fiber driveshaft. And if I ever get my electric water pump installed, it might just tip me over 700 at the wheels. I'm also going to be shaving off somewhere around 40 pounds of unsprung, rotational mass today when I get my new wheels installed, so that's definitely going to help free up some power.)</p><p></p><p>To answer your other question, I've also heard that the ECU cuts timing at 100*, and I'm inclined to believe it. I can notice a marked difference in throttle response from initial engine start to about a minute of idling. It's crazy.</p></blockquote><p></p>
[QUOTE="GT Premi, post: 14291727, member: 121775"] Easy. Scrub heat. A pulley and tune aren't going to do you much good when all you're doing is building up heat even faster, which means you're heat soaking even faster. You'll want to go with cooling first. And you'll want to get more cooling than you need. That way you'll be ready for future heat-generating mods. To echo bars above, I had mine dyno'd after I installed my Whipple. After heat soak, power was down into the 610s at the wheels. They iced the blower then did a hero run and it came up to 690 at the wheels. So I'm going to estimate that with my Killer Chiller, Super Cobra Jet oval throttle body and VMP tune that were all added much later, I'm probably pushing near 700HP at the wheels. (Might actually be right at 700 including the carbon fiber driveshaft. And if I ever get my electric water pump installed, it might just tip me over 700 at the wheels. I'm also going to be shaving off somewhere around 40 pounds of unsprung, rotational mass today when I get my new wheels installed, so that's definitely going to help free up some power.) To answer your other question, I've also heard that the ECU cuts timing at 100*, and I'm inclined to believe it. I can notice a marked difference in throttle response from initial engine start to about a minute of idling. It's crazy. [/QUOTE]
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Bench racing: Heat Exchanger VS. Pulley/Tune for first mod.
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