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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2010 Posts: 126 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 126 | I have a 66' chevy c-30 with a 63' 327 with a mild cam and roller lifters- other than that its been a stock rebuild. im switching to an H.E.I. dizy with a 55,000v coil. what should the spark plug gap be? and i got a curv kit with the dizy; what should the degree of mechanical advance be in relation to rpm? im using it mostly for a daily driver- not hauling anything, but thats not to say i wouldnt mind squashing a honda here and there! any info or a starting point would be appreciated-merry x-mass!
66' Chevy C-30 Rat
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