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Little to no oil pressure

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Post  Race Ready Fabrications June 20th 2010, 5:00 pm

So I took my car up to Lyons Raceway last night in the scorching heat. Made it three rounds but then the car ran extremely flat in the middle of the track on the last pass and ran .35 slow. After getting the car home and backing it off the trailer i noticed the oil pressure at idle was only 10lbs and sometimes goes to 0. Crack the throttle and it might go to 40 but then back to 10. Normally it runs at 50 hot at idle. Yes it's got oil in it and no it doesn't knock or tic. I got plans to pull the motor tomorrow and pull the pan. I don't have a clue as to what could be wrong, motor has been running great all year. And of course the weather man says it going to be 95 or hotter all week. Evil or Very Mad
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Post  bbf-falcon June 20th 2010, 5:09 pm

First thing I would check is for cracks in oil Pump,then the PU tube . If not that start lookin at bearings. Sad Good Luck)

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Post  dfree383 June 20th 2010, 5:21 pm

If crank and rod bearings look good, look at cam bearings next....
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Post  fatal addiction June 20th 2010, 6:40 pm

i had the same thing happen to mine it ended up being the lifter holes was wore out... might be something to check also...look luck hope it isn't anything major..
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Post  cool40 June 20th 2010, 11:37 pm

i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile
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Post  jasonf June 21st 2010, 6:12 am

cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile

I had that happen once as well. Bent a pushrod and the lifter popped out. Barely had any oil pressure at all.
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Post  Race Ready Fabrications June 21st 2010, 6:29 am

As soon as i get off work here at 6:30 im gonna pull the valve covers first and check the push rods. Seems weird it never made a noise or missed, just ran slow. Oh and im gonna order a low oil pressure warning light....
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Post  Race Ready Fabrications June 21st 2010, 8:51 am

Well....guess i got lucky, if you call it that. Pushrod on #7 intake was bent and the lifter out of the hole. Cross bar for the lifter was close to falling into the lifter hole.....whew. Guess i dodged a bullet. Time to upgrade to 3/8 stuff i guess.
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Post  dfree383 June 21st 2010, 9:52 am

Check the Cam and Replace that lifter, sometimes they bounce around and will fail later.
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Post  jasonf June 21st 2010, 12:11 pm

I would also check your pushrod length. Mine was two short yet lasted several years of street driving before failing but there has to be something wrong somewhere because they don't bend for no reason.
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Post  cool40 June 21st 2010, 1:29 pm

when i had that problem it was caused by a valve seal getn hung in the inner spring.i'd check it out good cuz you'll find a problem or it'll find you later. Smile
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Post  IDT-572 June 21st 2010, 2:32 pm

cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile


We have a winner................. Cool
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Post  bbf-falcon June 21st 2010, 8:28 pm

cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile

Great call,that makes you a A+ tech inspector Very Happy

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Post  fatal addiction June 21st 2010, 8:46 pm

bbf-falcon wrote:
cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile

Great call,that makes you a A+ tech inspector Very Happy
i was close i figured it had something to do with the lifter Question i just would of never figured it was completely out of the hole...
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Post  cool40 June 21st 2010, 9:56 pm

bbf-falcon wrote:
cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile

Great call,that makes you a A+ tech inspector Very Happy
just A+tech inspector?when do i get to be a A+know it all?someday i want to be a HeRo too! Laughing
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Post  richter69 June 21st 2010, 10:07 pm

cool40 wrote:
bbf-falcon wrote:
cool40 wrote:i'd pull a valve cover and check rockers and push rods.you may have bent a push rod and a lifter is tryen to jump out.been down that road too.good luck Smile

Great call,that makes you a A+ tech inspector Very Happy
just A+tech inspector?when do i get to be a A+know it all?someday i want to be a HeRo too! Laughing



easy man......one stage at a time............too much too fast is not a good thing.............. Wink
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