Thread: Common Engine Building Mistakes

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Originally Posted by jerry clayton

Don---for ur stated reasons---have seen a few engines where the push rods were filled with cam break in lube on assy and the pump was slow to pump thru on the right side--also had pressure drop around dist shaft housing

you can check upper lubing with drill and prelube shaft without running engine

yep that it will with just a prime rod and no Dist body to let the oil run thru it just dumps the lifter psi on the dist side that a GM dumb deal other then that there great engine

You are right about the distributer hole needing a block off to direct the oil in the right places. At first I thought our shop preluber might be not right, so I went to my shop at lunch time and loaned the guys mine that is set up specifically for Chevy engines.............did the same thing. You could be right about the pushrods being plugged, but no oil was getting through any of the 16 pushrods. Engine went back to Eagle and they are supposed to let me know what they found tomorrow am.

Don

Originally Posted by Itoldyouso

You are right about the distributer hole needing a block off to direct the oil in the right places. At first I thought our shop preluber might be not right, so I went to my shop at lunch time and loaned the guys mine that is set up specifically for Chevy engines.............did the same thing. You could be right about the pushrods being plugged, but no oil was getting through any of the 16 pushrods. Engine went back to Eagle and they are supposed to let me know what they found tomorrow am.

Don

i will bet you the front galley plugs were out .or they will not tell you how big was the cam ? with hi lift the stock gen 6 the stock lifters hang out of the bore the lifter oiling hole in the lifter body hangs out of the boreoil low you have a leak dumping top end oiling galley plugs or lifters that about it less the push rods have no holes in them even with thick lube a 90 hot or better day out oil will flow

Pat, just a stock 310 horse 454 Marine engine. Brand new in the crate. We pulled the sender out and it shot oil out of the hole really well, but even after cranking with the plugs out the rockers are dry.

I think you are right about them not telling us what they find. They are saying if they "find something simple" would we take the same engine back? Told them we would need to talk at that point. Problem is, 454's are getting scarce, so we might have to take this one back.

Don

Originally Posted by Itoldyouso

Pat, just a stock 310 horse 454 Marine engine. Brand new in the crate. We pulled the sender out and it shot oil out of the hole really well, but even after cranking with the plugs out the rockers are dry.

I think you are right about them not telling us what they find. They are saying if they "find something simple" would we take the same engine back? Told them we would need to talk at that point. Problem is, 454's are getting scarce, so we might have to take this one back.

Don

well don if a mild bbc they left out the front lifter galley plugs .you will get good lower end psi but it will not build much with rpm .i would think you may have a hard time getting them to tell you what they did wrong

You are probably right Pat.

Don