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95wagon 10-09-2012 01:26 PM

Timing control options with locked dist.
A customer has acquired a Street Only car that has an MSD 7AL3 and 8550 distributor .

The distributor has no advance and does not appear to have any way to have advance.

Running around with locked timing , to me makes zero sense on a street driven car.

Is there a suitable add on electronic control so he can have an actual curve , or do we need to ash can the 8550 for something like a 8394 or 8361


msdtech1955 10-10-2012 07:13 AM


95wagon 10-10-2012 09:38 AM

and 8361 , if I want vacuum ?

msdtech1955 10-10-2012 11:05 AM

whats the engine combo?

95wagon 10-10-2012 12:32 PM

358 SB

258-260 @.050 on 110

Single plane

830 Holley

Unknown actual comp ratio

5 Speed

Trying to make a "race deal" streetable for a customer.
Just thought any added cruise timing would help the already abysmal mileage

msdtech1955 10-11-2012 08:48 AM

well, not knowing the compress...makes me not want to run vacuum advance.
so we really need to know this , before cranking in timing.

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