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Originally Posted by ZStig
what did you peak with HP before the injector upgrade? boost seems really low for a 525 kit, even with your exhaust mods.
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I was still facing belt slip up top . 430whp at 7 psi running lean as shit despite being down on boost .but keep in mind the temp was 40 that day . The 423 was in 87 degrees with NO fan and only a 100 miles on the new tune . The car is MUCH stronger with the new belt , most so in the lower gears . I could literally hear the belt slipping when starting out in the lower gears .