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B18/B20 distributors

posted by  JohnH on  Thu May 30 21:37 CST 2013
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last visit: Mon Oct 6 00:29 CST 2014
[RELATED]

Hi all,
I know this subject has been done to death, but my searching doesn't reveal what I want to find out:

I was going through the parts boxes and found two distributors. The one marked 0231 146 099 JFUR4 is, I think, from a 1974 B20. Can anyone confirm?

The other is marked 0231 176 087 JFU4. No idea what that was from. Anybody know?

They look the same at the bottom end (apart form the first being iron and the second being aluminum), but the tops eg the locating part for the cap, are a bit different. Are the internals the same? Advance curves?

I've got an engine in my long distance rally car, primarily built for torque. I want to take a spare distributor. Will either of these do the job or is there something else I should look for?

Regards
--
JohnH, Sydney, Australia








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    B18/B20 distributors

    posted by  lukeball on  Fri May 31 18:24 CST 2013
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    last visit: Tue Oct 21 20:12 CST 2014
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    I just checked in a 140 book that I have and it states: 1969-1972 B20B engines use Bosch JFUR4 with vacuum advance. However this distributor is also listed for a B20A in another book with a different advance curve.

    Not completly sure, but aren't the Bosch aluminum distributors usually for FI or B20E/F? I thought they have external electronics.
    --
    1959 Volvo Amazon 121, 1998 Volvo V70R AWD







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