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Post by 4ce on Jun 16, 2019 20:10:20 GMT 1
The oil pump on the 250 proddie racer has been blanked off. The white plastic cog behind is still there and marked 4L0. I found a pump in the box of bits that is marked
USIAT 3302752 and next to that is either ISO or 150. eyes not what they used to be. Can anyone say if this is a 250 or 350 pump. if it is a 250 pump will it work ok with a 370 conversion?
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Post by tony1964 on Jun 16, 2019 20:48:39 GMT 1
No it won't, have a chat with Arrow on this forum.
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Post by Shytalk on Jun 16, 2019 20:53:01 GMT 1
Cogs are generic as is the marking 4LO, what you need to check is that you have the correct pitch worm drive and that it’s the same pitch as the cog in the pump. There are pictures on here of the correct worms - do a search. Ultimately whatever you have ho can be made into a 350 pump, Arrow is your best point of contact for all the relevant pump information including rebuilding your one.
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Post by 4ce on Jun 16, 2019 20:54:43 GMT 1
Ok, thanks
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