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2F oil pump in an F?

Discussion in '40- & 55-Series Tech' started by atoyot, Mar 1, 2004.

  1. atoyot

    atoyot

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    My 9/73' fj40 F oil pump went out. Can I put a later 2F pump in there without modifications? There was a good write up on oil pumps in the trails sometime back but I can't find it. Any advice? This failure caused my #6 rod bearing to fail so I also have to replace that. What would be a reputable replacement? TPI, MAF, coolcruisers? It looks like MAF has good prices. :-\
     
  2. jim45r

    jim45r

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    I remember seeing a post related to that too (here or birfield.com?), but I don't think it could be done without mods. The 2F pump has a regulator built in, so I think the external regulator on the F gets bypassed or disabled, and there might be someother passage drilled and/or plugged. The stock setup sends 1/2 the oil back through without filtering. I'm just assembling my F after new rings and bearings, and am contemplating the same thing. I don't like the idea of sparkly oil getting recirculated through the nice new bearings. I'll be watching this thread, too!
     
  3. jim45r

    jim45r

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  4. atoyot

    atoyot

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    yeah...I think I will just go with a replacement stock F pump. :) That was a little over my head.