Will it Ever Stop?
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Joined: Jul 2003
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Will it Ever Stop?
Whine on.
I tell ya. No sooner than I get the new trans in and the 56 running again then it loses all oil pressure! I noticed when I started it up after I put back together that the pressure was low at idle when it warmed up. I took it out this morning on it's first run and the oil pressure went from 60 psi at speed to nearly nothing. I'm at a loss to understand it.
I did have the pan off and the pump out when I put the oil pump drive shaft in. I guess I could have messed up the gasket without knowing it. So, now it's hook up the cherry picker, lift the engine, remove the crossmember and drop the pan. Oh, and drain the oil first of course...
Whine off.
I tell ya. No sooner than I get the new trans in and the 56 running again then it loses all oil pressure! I noticed when I started it up after I put back together that the pressure was low at idle when it warmed up. I took it out this morning on it's first run and the oil pressure went from 60 psi at speed to nearly nothing. I'm at a loss to understand it.
I did have the pan off and the pump out when I put the oil pump drive shaft in. I guess I could have messed up the gasket without knowing it. So, now it's hook up the cherry picker, lift the engine, remove the crossmember and drop the pan. Oh, and drain the oil first of course...Whine off.
Postmaster
Joined: Aug 2003
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From: Oakdale,Ca.
Since you have pressure, you know things are engaged...but wonder if you knocked the pickup off or it fell off? When the pressure "drops to zero", do the lifters rattle (assume you have hydraulic ones)?
Also, even if the gasket was an issue, I don't think you'd loose so much pressure...especially not just at idle speeds.
But, keep it simple first, plug in a good mechanical gauge first. Electric ones and sending units have a higher failure rate than you'd think.
Now, if the mechanical gauge shows the same thing, first thing I'd do is change the oil to something thinker, likie a staright 30 or 40 wt, if things improve, that would indicate you have excessive bearing clearances and dropping the pan isn't going to help any.
Might just be something amiss in the pump...bad spring/etc.
Hopefully a good gauge get's you back on track!
Also, even if the gasket was an issue, I don't think you'd loose so much pressure...especially not just at idle speeds.
But, keep it simple first, plug in a good mechanical gauge first. Electric ones and sending units have a higher failure rate than you'd think.
Now, if the mechanical gauge shows the same thing, first thing I'd do is change the oil to something thinker, likie a staright 30 or 40 wt, if things improve, that would indicate you have excessive bearing clearances and dropping the pan isn't going to help any.
Might just be something amiss in the pump...bad spring/etc.
Hopefully a good gauge get's you back on track!
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Joined: Jun 2008
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From: Holyster
Occam's Razor states, to the effect, "...the total entities must not be multiplied beyond what is necessary." In American English...."the simplest solution is usually the correct (or most elegant) one."
Not trying to hi-toned here ...but I like 3Mike6's advice...keep it simple and the solution will emerge...
TH1567 translating...paraphrasing...trying to be helpful...
Dad said time and again....let's just give it one last go 'round to see if it fits...and it always did on the last go 'round....first said in 1982...I was changing a starter on a '70 Olds 98 455 for him.
Not trying to hi-toned here ...but I like 3Mike6's advice...keep it simple and the solution will emerge...
TH1567 translating...paraphrasing...trying to be helpful...
Dad said time and again....let's just give it one last go 'round to see if it fits...and it always did on the last go 'round....first said in 1982...I was changing a starter on a '70 Olds 98 455 for him.
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So, here I am sitting in Pittsburgh, PA with nothing to do...
Before I left home to come here for a few days I drained the oil from the truck and found a large amount of grey matter in otherwise clean fresh oil, and I'm not talking about my brains. Looks like the crank bearings are toast. I took a chance on a rebuilt engine off of craigslist and lost. Ho-hum. Before I left I got it out and some parts stripped off. Now I'm looking for a reputable shop to clean it up and do a short block rebuild for me.
Before I left home to come here for a few days I drained the oil from the truck and found a large amount of grey matter in otherwise clean fresh oil, and I'm not talking about my brains. Looks like the crank bearings are toast. I took a chance on a rebuilt engine off of craigslist and lost. Ho-hum. Before I left I got it out and some parts stripped off. Now I'm looking for a reputable shop to clean it up and do a short block rebuild for me.
Postmaster
Joined: Aug 2003
Posts: 4,172
Likes: 1
From: Oakdale,Ca.
Looks like you got the short end of the stick, sorry to hear this.
I know of two good shops I can vouch for in my area if you're up for a ride.
I know of two good shops I can vouch for in my area if you're up for a ride.
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No worries Mike. I've got a line on a couple of local shops here in Campbell. I could almost steal a shopping cart and roll the block down the street to them we're that close.
And like my sig line says I'm pretty much OK with the situation. I figure it will all even out in the end, so something good will come along to do so. I just want the engine/trans pulling to stop!
And like my sig line says I'm pretty much OK with the situation. I figure it will all even out in the end, so something good will come along to do so. I just want the engine/trans pulling to stop!
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Postmaster
Joined: Aug 2003
Posts: 4,172
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From: Oakdale,Ca.
There used to be a good, small shop on Campell Ave...IIRC it was fairy close to the Rib joint...just a smallish place, maybe a 3 man operation. I had them rebuild a SBC for me back in the mid-80's when I lived across the street from the Pruneyard.
Didn't run the engine too long...maybe 4 or 5K miles, then sold the truck to a friend who was moving to Texas...I know he made it there just fine, but lost track of him after awhile.
Didn't run the engine too long...maybe 4 or 5K miles, then sold the truck to a friend who was moving to Texas...I know he made it there just fine, but lost track of him after awhile.
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