The reason I figured 10.2:1 compression is because the 351 windsor heads have 58 cc's and the stock 89' are around 62 cc's plus with the overbore I was guessing around the 10.2. Sure I'm up for suggestions on combo's especially if I can save some cash. Only thing is that I wanted to run a midto high 13 all motor then flip the switch to do a mid to high 12.
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67' Fastback-Mean Temper
67' Coupe Under Construction
70' Torino Cruiser
84' Svo Original
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