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Author Topic: What degrees for good timing?  (Read 267 times)
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renos-a10
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« on: 10.02. 2011 11:41 »

Hi all.

I read in tech topics about the good timing. I need you help for timing for BSA A10 650 with swing arm frame.
I but timing in 32 degrees.Is this ok ?

Thanks
Renos
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
muskrat
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Lake Conjola NSW Oz


« Reply #1 on: 10.02. 2011 12:53 »

G'day Renos,
                  depends on the type and quality of the petrol over there. Std is 35 degrees but a lot of people (me included) report pinging on unleaded. Retarding a few degrees helps this. The general rule is to run as advanced as possible without pinging.
 But in saying that, Richard reports best power is gained at 30.5 degrees. So yes start with 32 and see how she goes.
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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Karma: 4
Posts: 117



« Reply #2 on: 10.02. 2011 15:01 »

Ok I will and come back.Thanks
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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