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GT40
Ford GT
New Pulley on GT: Dyno Results
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<blockquote data-quote="lthlvpr" data-source="post: 2996479" data-attributes="member: 31019"><p>You can get much more power through a pulley increase. The problem is....can the engine handle it?????</p><p>Obviously the smaller the pulley, the more boost the engine makes. You do have to worry about available belt lengths, pulley slippage, and a host of other issues related to air-fuel....</p><p></p><p>In the end of the day, I would bet your pulley added 4-5lbs boost over stock. I hope you have plenty of extra fuel and that you pulled out some timing across the entire rpm range in order to minimize detonation using pump gas.</p><p></p><p>What tuning software did you use? Are you still using the stock exhaust?</p><p>-Wayne</p></blockquote><p></p>
[QUOTE="lthlvpr, post: 2996479, member: 31019"] You can get much more power through a pulley increase. The problem is....can the engine handle it????? Obviously the smaller the pulley, the more boost the engine makes. You do have to worry about available belt lengths, pulley slippage, and a host of other issues related to air-fuel.... In the end of the day, I would bet your pulley added 4-5lbs boost over stock. I hope you have plenty of extra fuel and that you pulled out some timing across the entire rpm range in order to minimize detonation using pump gas. What tuning software did you use? Are you still using the stock exhaust? -Wayne [/QUOTE]
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GT40
Ford GT
New Pulley on GT: Dyno Results
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