Base manual C7 dyno results
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Melting Slicks
Joined: Nov 2012
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From: SUFFIELD CONNECTICUT
Base manual C7 dyno results
Dynoed my base manual C7 with AFE intake, 180 degree stat, borla xpipe, self ported TB and smoothed some rough casting areas in the intake manifold runners and the mouth. 432 rwhp, 428 lb ft of torque after tune. The factory tune with mods was 425 /425 1 hr before. The mods without a tune were working IMO. This was on a Superflow WinDyn , STP power with a 1.038 correction factor for the temp and pressure. Tuner says SAE is 1 percent less to a max of maybe 2 percent.
Figuring a 15 % drivetrain loss that's 496.8 crank horse. With a 12 % percent loss its 483.8 horse.
Figuring a 15 % drivetrain loss that's 496.8 crank horse. With a 12 % percent loss its 483.8 horse.
Thread Starter
Melting Slicks
Joined: Nov 2012
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From: SUFFIELD CONNECTICUT
The dyno was set at standard not sae and the correction factor for the day was 1.038 to offset the 77 degrees, humidity and pressure difference . I never did a pull on the car with no mod's. I believe most LT1's stock are in the 400 - 410 neighborhood so I truly believe my mods have given me some additional real horsepower and torque as the pull on the factory tune indicates.
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Melting Slicks
Joined: Nov 2012
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From: SUFFIELD CONNECTICUT
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From: cookeville tennessee
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Melting Slicks
Joined: Nov 2012
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From: SUFFIELD CONNECTICUT
Stock MPSS, I concentrate on getting out of the hole with out tire spin, slip the clutch out and ease into the throttle the same time while feeling the bite. I need to be more aggressive to try and do a 1.9 or high 1.8 60 ft, hard to do with a manual.
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Melting Slicks
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From: SUFFIELD CONNECTICUT
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The dyno was set at standard not sae and the correction factor for the day was 1.038 to offset the 77 degrees, humidity and pressure difference . I never did a pull on the car with no mod's. I believe most LT1's stock are in the 400 - 410 neighborhood so I truly believe my mods have given me some additional real horsepower and torque as the pull on the factory tune indicates.
Michael
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Joined: Oct 2016
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Very true. You should only trust a dyno for judging gains, not exactly how much you gain. Those mods...I don't see them making almost 500hp. Maybe with headers.
Melting Slicks
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