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Old 07-24-2020, 09:40 AM
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69Goat1 69Goat1 is offline
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Default Cam for Blown 535...

My new cam for a 535/wide port combo. 12.5:1, methanol, 8-71 blower all going in a 3300 lb 69 GTO...goal is 1200ish HP with 20 lbs of boost...anyone see any issues with this cam and that goal?


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1969 GTO, 3370 lbs, 10.5” tire...
07/31/21 Norwalk 9.42 @ 142 1/4, 5.95 @ 115 1/8th mile 3400 lbs...535 with Junk dinosaur Eheads
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Old 07-24-2020, 05:19 PM
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Lee Lee is offline
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Looks like WAY more intake duration than you should need, and a lot of overlap - to me. I suspect you'll be blowing a lot of unburned alcohol right out the exhaust.

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

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Old 07-25-2020, 03:55 PM
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Quote:
Originally Posted by Lee View Post
Looks like WAY more intake duration than you should need, and a lot of overlap - to me. I suspect you'll be blowing a lot of unburned alcohol right out the exhaust.
The recommendation came from comp cams on this...I bought it new so I hope they knew what they were talking about...

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