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#66922 10/08/2006 3:18 AM | Joined: Jan 1970 Posts: 365 Shop Shark | | Shop Shark Joined: Jan 1970 Posts: 365 | Does anyone know how much initial advance setting the timing to the ball on the flywheel yields?
When I got my 261 running I was very careful to set the timing exactly 'on the ball'. I also went to great pains to tighten the distributor down exactly in the center of the 'octane scale'.
My 51 Chevy 1/2 ton with 89mm (.70) overdrive and 3.50 rear gears gets about 14 mpg on the highway. I have about 1000 miles on a complete overhaul (.030 overbore, split exhaust, single Carter YF, 848 head).
Today just for giggles I advanced the timing to the last of the marks on the advance side of the scale. It seems like the throttle is more responsive and I don't have to push the gas pedal as far to maintain road speed. I can't get this engine to ping so I don't feel the timing is too far advanced. I will be getting a vaccuum gauge on the engine (as soon as I find it) to verify the timing settings.
The flywheel I am using came from a 235 truck engine if that makes a difference. | | |
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