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B20/B21 distributor questions 120-130

posted by  mario_e on  Tue Aug 2 12:06 CST 2005
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I posted this on another forum and have gotten no responses so I thought Brickboard could help.

The recent chatter about the advantages of vacuum advance has gotten
me thinking.

I have a Volvo electronic ignition from a '75 240 and it works fine
with the vacuum retard blocked off.

I've heard from John Parker that the mid-80's to mid-90's Saab Turbo
has a vacuum pot that will bolt up and can advance instead of retard.
This would be a used option as new they're about $100 for the vac pot.

I've also heard that a '78 B21 has a vacuum pot that may also have
retard/advance but don't know if it will bolt up. Its about $20.

Anyone know B21's?

Lastly, I was digging through my parts boxes and found a points-type
vacuum advance distributor which is my big fallback position. Seems
fine, needs to be cleaned up, new vac pot and I would want to lose the
points.

Bolting a different vacuum pot on the '75 seems easiest.

Thanks for any input.

-Mario E.






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New B20/B21 distributor questions [120-130]
posted by  mario_e  on Tue Aug 2 12:06 CST 2005 >


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