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SVTPerformance's Chain of Restaurants
The Blower Bistro
Am I making less power for my boost than you'd expect?
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<blockquote data-quote="Sluggie24" data-source="post: 15573252" data-attributes="member: 184003"><p>Ford used a low compression ratio in those engines so it would be super safe. They didn't want to have to eat the cost of replacing thousands of engines under warrantee when people put in bad or low octane fuel. The low ratio gave them a safety buffer. That safety buffer is absolutely costing you power but it is also keeping your engine very safe even with higher boost.</p><p></p><p>If you are dead set on more power at that boost level you would have to bump the compression to 9 or 9.5 to 1 and retune. Not a cheap job but it would give you a good jump in power.</p><p></p><p>The other option I can think of is figuring out what is causing the intake temps to rise so much and correcting that. Better intercooler maybe? Then put more boost in. With 8.5 - 1 you can run more boost than you currently do.</p></blockquote><p></p>
[QUOTE="Sluggie24, post: 15573252, member: 184003"] Ford used a low compression ratio in those engines so it would be super safe. They didn't want to have to eat the cost of replacing thousands of engines under warrantee when people put in bad or low octane fuel. The low ratio gave them a safety buffer. That safety buffer is absolutely costing you power but it is also keeping your engine very safe even with higher boost. If you are dead set on more power at that boost level you would have to bump the compression to 9 or 9.5 to 1 and retune. Not a cheap job but it would give you a good jump in power. The other option I can think of is figuring out what is causing the intake temps to rise so much and correcting that. Better intercooler maybe? Then put more boost in. With 8.5 - 1 you can run more boost than you currently do. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Am I making less power for my boost than you'd expect?
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