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Joined: Oct 2007
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The Classic Truck Shop used to have several articles about Borg Warner overdrives. It seems that recently they "updated" their site and deleted those articles. At least I can not find them. Reference to them are on many other sites. Too bad. I hope that does not happen here when this site is finally updated.
Classic Truck Shop


"I wonder if God created man because he was disappointed in the monkey?" Mark Twain
Joined: Mar 2015
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dtwbcs Offline OP
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Ok I am back with an update-
The 302 has only been "reamed out" with a stock setup. Headwork to take unleaded gas.A little slop at the top of the block; so machinist recommended .30 over to clean it up. Crank just needs polishing; wanting to regrind the camshaft to go with the compression boost. Need the bearings& pistons. Just got off the phone with a buddy who stated he may have a set of .60 over pistons. Is that too much?60 won't be able to take another boring? right.
I want to bump up the compression to around 9.5-1 using pump gas.
Any thoughts?


Danny # 6271
1958 GMC 302 3spd MANUAL OD
1960 Bel Air w 235 w 3spd MANUAL OD
1952 Henry J
Joined: Mar 2015
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dtwbcs Offline OP
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I bought my GMC 302 from Al Cunningham two weeks before he went to the great race track in the sky....


Danny # 6271
1958 GMC 302 3spd MANUAL OD
1960 Bel Air w 235 w 3spd MANUAL OD
1952 Henry J
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