I remember Warren Johnson back in ‘80’s running a flat plane crankshaft for a short while in his 500-inch NHRA Pro Stocker and I couldn’t believe the drastic change in engine sound. Since then I’ve always been fascinated by them!
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1962 Biscayne O-21669 MKIV/M-22
1962 Bel Air Sport Coupe 409/1,000
Last edited by markjohnson; 02-08-2019 at 06:26 AM.
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