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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > max duration @.50 for street strip cam...
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Old 07-18-2009, 09:20 AM
Skip Fix's Avatar
Skip Fix Skip Fix is offline
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the hydraulic 304/312 I believe was 247/255 @ 0.050 I had it on a 112LS.

I will say I tried a solid flat tappet 288/292 UD. Pulled to 7000 BUT when I swapped on a single plane the brakes weren't always there. Were OK with the dual plane HO intake

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Old 07-18-2009, 02:07 PM
llwta76 llwta76 is offline
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Originally Posted by Skip Fix View Post
the hydraulic 304/312 I believe was 247/255 @ 0.050 I had it on a 112LS.

I will say I tried a solid flat tappet 288/292 UD. Pulled to 7000 BUT when I swapped on a single plane the brakes weren't always there. Were OK with the dual plane HO intake
I had that problem w/ my UD only since swapping my rpm to a T11. The hood scoop on my 76 T/A likes the lower single plane but my booster likes the RPM. Gonna switch back! Larry

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