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Dave-R · Post by **Dave-R** » Sat Dec 17, 05 10:25 pm

Points gap is inaccurate. Use dwell angle.

Dwell angle for any engine is easy to get pretty ballpark.

It is always about 2/3rds of the degrees between each lobe on the points cam.

Take 360 degrees and divide that by the number of lobes on the cam (equal to the number of cylinders).
So in your case divide 360 by 6 = 60 degrees.

2/3rds of 60 degrees is 40 degrees. So set your points gap to give 40 degrees dwell.

INCREASING the points gap REDUCES the dwell.
REDUCING the points gap INCREASES the dwell.

Set initial timing as high as possible. Start at 10 degrees and increase until you get pinking in high gear/low revs going up a hill. They back off one or two degrees.

If you don't have a dwell meter borrow one. Any automotive multi meter does it.

Kev · Post by **Kev** » Sat Dec 17, 05 11:26 pm

Sweet answer
, Dave!

Alex · Post by **Alex** » Sun Dec 18, 05 8:52 am

Hey Dave you getting soft in your old age, I spot an edit

Dave-R · Post by **Dave-R** » Sun Dec 18, 05 11:17 am

I was tired and peed off with something else Alex.

Yeah Gasser. Just start around 10 before.

Dave-R · Post by **Dave-R** » Sun Dec 18, 05 1:21 pm

I just looked up the factory settings.

Point gap around 17 to 23 thou.

Dwell angle 41 to 46 degrees (I would have guessed 42 or 43 to be honest).

Initial timing they say is at TDC + or - 2.5 degrees which is horrible. Factory settings suck. All they worry about is will it start first time in any extreme weather conditions. Performance (and back then even mileage) was secondary.