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distributor tuning

810 Views 7 Replies 4 Participants Last post by  matty
G
I'm trying to get about 35 degrees total advance with an initial advance of 12 to 15 degrees. But my stock distributor has 13L and 15L positions in the reluctor arm (which I switched to 13L for a little more initial advance). Setting it at 12 degrees initial advance - which the engine seems to like a lot - puts the total advance at about 39 degrees (it should be 38 with the 13L reluctor slot). And I get a ping. For now I'm dropping the initial advance back until I get no ping at max advance. The Crane distributor tuning kit wont help since it doesn't have any way to reduce the total advance.

So what do you do to get less total advance? I don't see reluctor arms listed in any catalogs - is there a place to buy 'em? Am I going to have to go with an aftermarket distributor? I was thinking I could slip a very short piece of hose over the reluctor arm stop making the range of movement smaller and decreasing the total advance.

Thanks!
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