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Is my tune bad? 383 stroker.

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Old 08-04-2009, 11:13 AM
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Default Is my tune bad? 383 stroker.

My dyno put down 425 hp 418 ftlb. Im not at high elevation. my build is in my sig. Are these good numbers? I know my heads are choking it but i keep hearing of smaller setups that do better.
Old 08-04-2009, 11:15 AM
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What heads and what are your cam specs?
Old 08-04-2009, 11:29 AM
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Sorry i forgot my sig didnt have my cam specs. The cam is 235 232 640 600. The heads are stock ls1 heads with a stage one port n polish, all he did was clean up some edges and smooth it out, nothing major. Then comp pushrods, roller rockers and epw lifters. The block was decked and the heads were milled on the bottom. Stock valves and mahley single springs. Thanks
Old 08-04-2009, 07:33 PM
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My 383 made more than that with an awful tune, smaller cam,
stock intake/TB and stock fuel injectors.
Stage 1 heads may hold you back some but
I would look into getting another tune or have someone look it over.
Old 08-05-2009, 09:09 AM
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Yea, i didnt know, the car seems to run fine but idk, i think im gonna have some people check it out
Old 08-05-2009, 10:18 AM
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Might help to post a graph.

What kind of dyno.
Old 08-05-2009, 11:59 AM
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I cant put up my graph because i dont have a camera or anything, il try to borrow someones. The dyno was wichita dyno. mobile dyno dynamics dynometer. Thanks for all the help.




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