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Old April 9th, 2014, 06:13 AM
bigblockv6 bigblockv6 is offline
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Default Re: #6 not firing with eBay HEI, any ideas?

Really?? I noticed a substantial difference when converting to an HEI back in 1991 on my 305E V6. The combination of the Holley 500 and 2 1/2 inch dual exhaust turned out to be a great combination, all these improvements have been carried over to my 478M conversion. I would have to say the majority of members of this site can attest to these improvements and you're out numbered! The HEI was introduced during smog choked up 70's when compression ratios had dropped down drastically.
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