Guy,
You should replace the bolt or bolts with a stud or studs. The U-20 has
studs. The gears on the 2L pump are longer to provide more volume per rev
and don't give clearance for the bolt that the R-16 used.
Stan
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At 07:12 PM 5/23/01 -0700, Pamela Pepoy wrote:
>A while back, I purchased a new 2000 oil pump for my 1600 stroker
>project. I recently installed the new pump and had to shorten one of the
>original oil pump bolts to fit under a shoulder on the new pump. This
>shoulder does not exist on the 1600 pump. No big problem. What has me
>concerned is how the pump shaft fits in the 1600 engine block. It seems
>a tad too tight for my taste. It turns, with some amount of pressure,
>you can feel a strong resisence. The original pump and shaft turn very
>easily in the block. So....wise people. What do you advise? Any
>similar experiences with this issue? I still have the pan off so no big
>problem to work on the new or old pump.
>As always, many thanks.
>Guy
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