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LS3 dyno estimate

 
Old 06-14-2018, 06:44 PM
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Default LS3 dyno estimate

I'm wrapping up the build on 6.2 build with l92 heads. The engine is bored to 4.070, with Mahle 2cc dome pistons and lunatti rods on a stock crank.

The heads have been shaved .010 and these are the specs on the cam from tsp 227/234 .629"/.615" 113LSA +3. I'm running a stock ls3 intake with a stock ls2 throttle body. The transmission is a gto t56 with an ls7 clutch with a ford 9 inch with 3.55 gears. This is going into my project 71 Chevelle son it'll be awhile before I get to actual dyno.

What do you guys think it'll make.
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Old 06-17-2018, 05:47 PM
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440hp / 420tq to the wheels.

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Old 06-17-2018, 11:26 PM
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487 rwhp
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Old 06-18-2018, 05:38 AM
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What sort of exhaust? Stock exhaust, long tube headers or shorty headers?
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Old 06-18-2018, 05:57 AM
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Originally Posted by 99 Black Bird T/A View Post
What sort of exhaust? Stock exhaust, long tube headers or shorty headers?
1 7/8 longtube headers 3 inch pypes street exhaust with x pipe
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Old 06-18-2018, 07:00 AM
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467rwhp/444tq
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Old 06-18-2018, 07:10 AM
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No reason it should not be up in the 480+ area
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Old 06-18-2018, 02:53 PM
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485/450
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Old 06-20-2018, 07:03 AM
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Thanks for the responses, I'll be happy with 440rwhp and 420trq, but more is always better. It'll be a couple of months but after I get it to the dyno I'll post the results.
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Old 07-21-2018, 02:37 PM
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Have you had a chance to dyno the car?
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Old 07-22-2018, 05:58 PM
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Originally Posted by 99 Black Bird T/A View Post
Have you had a chance to dyno the car?
No not yet, engine is in car running but I'm at least two months away from getting the car road worthy.
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Old 07-22-2018, 10:15 PM
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455rwhp
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Old 08-01-2018, 07:21 AM
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Updates???
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Old 08-01-2018, 08:14 AM
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437/425
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Old 08-02-2018, 05:18 AM
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I'd think 485/440
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Old 08-02-2018, 06:40 AM
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Interested in results...
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Old 08-02-2018, 11:31 AM
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460rwhp
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