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fshnidiot

EA81 oil Pressure/air pressure question

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I just dropped a resealed EA81 I bought into my 82 Brat. Fired right up but I have no oil pressure and valves ticking bad. I rebuilt and dropped in another oil pump (I checked it and it's within the specs in my book for wear. both pumps are still good) and adjusted the valves with no change in pressure or noise. No leaks anywhere, temp stays cool, sounds and feels really good and strong except for the ticking. With the motor running i removed the oil filler cap and I have enough air coming out of it to use it as a blow dryer. Air is also blowing out the valve cover breather tubes like crazy.(forced air induction for my weber :grin:) Am I right in thinking there is no oil pickup tube going from the block into the oilpan and as a result I'm just sucking air? It's full of fresh oil so I know that's not the problem. Thanks, Frank

Edited by fshnidiot

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Is there any evidence it's been pumping oil?

Easiest way would be to pull the oil filter. If no oil comes dripping out, it isn't pumping.

 

If you're run it much with no oil circulation you've probably fubared the bearings... good luck.

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I'll go pull the filter right now and check. It hasn't been run much (5-10 miles at 35mph or less back and forth to the parts store) so hopefully I haven't hurt it yet. Back in a few. Thanks, Frank

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If you went that far and the engine didnt lock up, I'd say something is wrong with your oil pressure indication system.

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There's oil in the filter and some dripping out of the pump. No evidence of any oil antifreeze mixing, no bubbles in the radiator etc. The pressure guage needle comes up about 1/2 way to the 0 mark on the guage for a minute or so after startup and then drops to the stop peg as it warms up. Then I get the blow dryer effect. Frank

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New sending unit and I replaced the wiring with about 18-24" of old wiring replaced from where the harness splits behind the intake manifold.

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With the motor running i removed the oil filler cap and I have enough air coming out of it to use it as a blow dryer. Air is also blowing out the valve cover breather tubes like crazy

 

Hydraulic lifters?

 

That much blowby will overwhelm the PCV system,pressurize the crankcase and impair oil flow.Sorta like trying to blow up a tire with lung power.

 

IME,oil pump specs only confirm bad ones not good ones.

I`ve had ones that meet specs,but,were crap.

 

Sounds like your gauge has a problem.

I would try a mechanical gauge for confirmation.

 

Ticking might be a sticky valve.

 

Regardless of oil pressure,that much blowby indicates a serious engine problem.Consider a compression and/or leakdown test.

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Non hydro motor. Oil pickup was there so that wasn't it. I dropped the pan and found some chunks in the bottom. 1 piece looks like JB weld or something that was molded into a hole so I'm gonna guess that it's dead:horse: and start the search for a good cheap short block to drop my manifold and weber on. Again.:( Thanks for the help, Frank

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one thing to check is the oil pick-up o-ring

 

I have had one distort(melt) enough to loose oil pressure after warm-up...

 

 

it was the last thing I checked after I swapped 2 oil pumps with the same results

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O-ring? What O-ring? There wasn't anything there. I'm gonna drop 1 in and see what happens and hope for the best. Thanks for the tip. Frank

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Well, atleast it reads at 0 oil pressure now so I'm guessing the gauge isn't working properly, and it still ticks, but it sounds quieter and wet, instead of dry and loud. Drive it till it blows time since I've already hurt it. Thanks for all the help! Frank

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Well, atleast it reads at 0 oil pressure now so I'm guessing the gauge isn't working properly, and it still ticks, but it sounds quieter and wet, instead of dry and loud. Drive it till it blows time since I've already hurt it. Thanks for all the help! Frank

 

don't kill the goose before dinner.

 

check the valve covers for fresh oil...oil on each side=good

...oil on one side =bad

...very little or none=very bad--pull it

 

hopefully you have good wet valve covers.

in that case add a pint of 90w oil and drive the hell out of it

 

have fun

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