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Old 11-25-2009, 10:59 PM
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motor hp

i have a question if anybody would guess the hp of my motor, it a 67 vette motor 327. it is bored 60 over and i am running trw forged pistons with a 125 dome, rated at 10.5 compression factory rods and crank and i have a comp cams magnum 480 lift with 3280 duration and running a 487 cast heads with 1.94 brand new from rebuild, i run a edelbrock performer intake, running msd hei dist and the fuel is a 750 holley. i also have 1.6 roller rocker . someone told me that brought my lift up to 540 and one said 525? 7 quart morso pan. also have comp cams lifters and have comp cams gears for timing. i will also run a 150 shot of nitrous. 3000 stall converter from transmisson speacilites. the motor is in a 75 nova. let me know anythings i can do for added hp. also have a serp belt system on the motor

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Old 11-25-2009, 11:36 PM
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Maybe 370-385 hp, 487 head isn't exactly the best. Your valve lift is now .512", simple math -.480" divided by 1.5(stock rocker ratio for SBC) is .320" multiplied by 1.6(your new rocker ratio) equals .512"

Last edited by ericnova72; 11-26-2009 at 11:05 PM. Reason: spelling
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Old 11-26-2009, 10:05 PM
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thanks sounds good. when spraying a 100 shot what are the best times i could run in the 12s at all?
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Old 11-26-2009, 11:06 PM
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Should be able to easily with the 100 shot.
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Old 11-26-2009, 11:58 PM
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I'd be surprised to learn you aren't in the high 12s already..
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Old 11-27-2009, 09:11 AM
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i live in abq new nexico and havent ran the car yet to find out. i would like to run 12s here which coreected is in the 11's. i should be able to def get in the 13s here and hopefully 12s. i am not running gears yet and i know i need something to grab so i have found 373 true trac gears with a detroit posi for 300 bucks direct fit into my nova. thats the next on the list. do you think my car is going to come up at all? like off the line . also would my set up be good for a transbrake?
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