MS3, prc stg 2.5 ls6, bolt ons?
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I will be getting the car retuned in a couple weeks. Last time the car was tuned i found out the intake was hand tight and was leaking bad. Before the intake was tightened it went 12.0 at 114 and after it went 11.3 and a best of 123. Numbers before were 430hp 403tq. What would be expected after putting 1 7/8s headers and fixing the leak?
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This was last year and now its super rich like cant breathe or open your eyes. That is why im getting it retuned. I think there is some power left on the table from getting it retuned and plus adding larger headers. I searched and couldnt really find much on this combo even though the ms3 is a widely used cam.
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My results from going 1 7/8" headers. I also had a ported intake and TD's though.
https://ls1tech.com/forums/dynamometer-results-comparisons/1603783-suprising-results-swapping-1-7-8-headers-dyno-sheet.html
https://ls1tech.com/forums/dynamometer-results-comparisons/1603783-suprising-results-swapping-1-7-8-headers-dyno-sheet.html
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If you would have seen this car you would have drove to Connecticut and smacked the hell out of the previous owner lol I caught a lot of stuff after the track and Dyno experience but hopefully I'm on the right track and am hoping to hit a 10.9x on stock bottom end with a stick.
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My results from going 1 7/8" headers. I also had a ported intake and TD's though.
https://ls1tech.com/forums/showthread.php?t=1603783
https://ls1tech.com/forums/showthread.php?t=1603783