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F-Body Online » Technical » 4th Gen (1993-97) Camaro and Firebird Tech » Approx how much horsepower do I have?

4th Gen (1993-97) Camaro and Firebird Tech Techinical Support and Information for LT1, LT4... Series engines and components.
1993-1997 Camaro and Firebird


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Old 02-11-2008, 09:52 PM   #1
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Default Approx how much horsepower do I have?

I have never dyno'd my car, and I was just wondering if anyone could give me an estimate of how many horseys I got, and through what mods am I getting the most.
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Old 02-12-2008, 08:50 AM   #2
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Going by your sig, you have an LT1 which runs stock to the flywheel at 275hp. You probally gained around 10-15 from the headers, and around 10 from the exhaust. So around 300hp to the flywheel is what i'd assume.
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Old 02-12-2008, 02:05 PM   #3
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Most LT1's that are not ragged out and still run well will dyno in the range of 250-255 RWHP stock, there are some freaks that I have seen dyno 260-265, but that is rare. With you having a full exhaust, I am willing to bet that you would lay down 280-285 RWHP no problem. If it is not a great runner and you have compression issues your numbers will be much lower of course.
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