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Old 10-02-2009, 11:45 PM   #1
cvalcore
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Join Date: Oct 2008
Location: Monroe IA
Posts: 272
spark knock

I have a question i have a 84 chevy one ton 454 that i installed a edelbrock rpm intake and a 750 cfm carb on and it has great power when im driving around in the valley but when i take it up in the mountains i have spark knock and not near the power i was wondering if it could be my distributor that's the problem. also it has been a pain in the neck to get it timed just right ive got the timing right but i just cant get ride of that spark knock. Also i have headers and a duel exhaust with a cross over pipe. Any help would be great.

Last edited by cvalcore; 10-02-2009 at 11:47 PM.
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