HI list, sorry for a non roadster question, but I am unsure what to make of the
problem I am having.
see below.
Thanks
> Here is the question, simple I hope. I am rebuilding a 280 motor, I have
>everything together fine so far. Head on and tourqed, timing chain timing
>marks all line up fine for TDC. chain installed, front timing cover installed.
>Front crank pulley on...
>
> Now the problem I have run into: When putting in the dizzy drive shaft and
>gear and oil pump things don't seem to go together as nicely as expected.
>
> I can line up the dizzy drive correctly no problem. the problem is really
>putting on the oil pump. I can get it to slide up fit onto the keyed shaft but
>it will not slide up and sit flush with the timing chain cover. There is about
>1/4" gap. I can run in the bolts and tighten them up and it will pull the oil
>pump up tight, but it them seems that the engine will not turn, ( trying to
>turning from the cam) If I remove the oil pump I can turn the engine fine from
>the cam.
>
> Any ideas as to what is happening? I can only guess that the oil pump is
>pressing against the drive gear on the dizzy drive shaft.
>
> What I have tried: I put a little grease on the top of the oil pump shaft
>that the drive gear fits in to see if it is hitting the drive gear before I
>tighten the bolts down, and it is not. When the bolts are tightened down the
>grease spot is smeared, suggesting that it is touching or really close.
>
> Help.....
>
> Eric
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