[AT] Rationale for firing orders

[Jim and Lyn Evans]

 We call it a "twingle"

Jim


-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Tom

Down here it's common for speedway racers to convert twin cylinder mc
engines cranks & cams to have both cylinders fire together to get better
bite of the track.

Tom
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