What timing on degrees?

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renos-a10

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What timing on degrees?

« on: 28.02. 2011 09:49 »

Hi all,

If you change the piston STD with piston +20 High Comp.( 8.25 : 1 )
What timing must but on degrees with that piston?

Thanks
Renos


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1960 BSA A10 Swinging Arm
1955 Matchless G3LS

muskrat

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Lake Conjola NSW Oz

Re: What timing on degrees?

« Reply #1 on: 28.02. 2011 12:36 »

G'day Renos,
timing would be the same, around 32 degrees or 5/16" before top dead center. I know the book says 3/8" BTDC but it might ping a bit at that.
Cheers


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Only young once, immature forever. Now how can I make this go faster. '51 A7 plunger, '57 A7SS now A10, '71 A65 Lightning (gone to god) '76 XT500, '83 CB1100F, next project a '64 A65.

renos-a10

A's best friend

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Posts: 117

Re: What timing on degrees?

« Reply #2 on: 01.03. 2011 09:24 »

Thanks a lot


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1960 BSA A10 Swinging Arm
1955 Matchless G3LS

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