45 VAC updates

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Stuart Barr

Well-Known Member
Supporting Member
Joined
Mar 24, 2005
Messages
1,231
I have two new items to update your 45 VAC motors:

*New drums that are balanced and have different timing numbers. The original ramped drum closed too late we felt. New ones close at 65* ATDC. Last fall, I ran one of these and gained 3mph on the straits.

*New Turbo Heads. Steve Odonnell recommended that I run turbo plugs (289T). I tried one last fall also and found that I had absolutely no detonation set at .008". Head is the same volume as the stock head and has the same depth. There is no need to change the shim thickness from the stock head.

To order, call 317-462-9978 or email me at [email protected]. Drums are $58 and heads are $33. When you order, I'll tell you about having your crank balanced.

Thanks,

Stu
 
Stu , do you have a photo of the new drum ? THX.
CMB-BETA-21-b.jpg


CMB-BETA-21-c.jpg


This is from a Beta 21 but looks exactly the same.
 

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