i'd look for a 1971-74 bug, non super beetle, which had the offset oil cooler, 1600cc, dual port heads, and more refined.

i campaigned a 69 bug in the early 70's running I/G in modified eliminator, got it down to 12.92 at 103 mph

couldn't keep the transaxle together so put it on the street, pi$$ed off alot of camaros, mustangs, and other muscle cars

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1989 300ce smoke silver / brazil, in a constant state of flux ~~~