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From: Clayton MI
Wonder if they sent ya the wrong size bearings?
Was the crank turned? Rod resized? Leave a puddle of oil everywhere you go?
And the mechanical gauge agreed that pressure was actually THAT low?
Was the crank turned? Rod resized? Leave a puddle of oil everywhere you go?
And the mechanical gauge agreed that pressure was actually THAT low?
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Legend
Joined: Nov 2014
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) no oil leaks. Mechanical gauge read 14 at idle. Fsm says if you make 6 or over at idle you are good. With me pushing extreme hp I thought it would be higher
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Joined: Apr 2010
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From: Clayton MI
Generous Motors always told me 7 minimum PSI, but, they were referring to a high-mileage motor..... Most certainly NOT a new one.
Cruise pressure sounds ok, still, lower than what I would expect. (I see right about 60 on my 8.0 when cruising at 55......)
On 99% of the 'new' motors I built, on a 'fresh', warmed up motor, I got used to seeing over 30 at about 900 RPM.......
Wonder if the relief valve in the oil pump is faulty?
High Horsepower? Did you run the clearances a bit wide on the bearings??
Cruise pressure sounds ok, still, lower than what I would expect. (I see right about 60 on my 8.0 when cruising at 55......)
On 99% of the 'new' motors I built, on a 'fresh', warmed up motor, I got used to seeing over 30 at about 900 RPM.......
Wonder if the relief valve in the oil pump is faulty?
High Horsepower? Did you run the clearances a bit wide on the bearings??
Thread Starter
|
Legend
Joined: Nov 2014
Posts: 8,098
Likes: 318
Generous Motors always told me 7 minimum PSI, but, they were referring to a high-mileage motor..... Most certainly NOT a new one.
Cruise pressure sounds ok, still, lower than what I would expect. (I see right about 60 on my 8.0 when cruising at 55......)
On 99% of the 'new' motors I built, on a 'fresh', warmed up motor, I got used to seeing over 30 at about 900 RPM.......
Wonder if the relief valve in the oil pump is faulty?
High Horsepower? Did you run the clearances a bit wide on the bearings??
Cruise pressure sounds ok, still, lower than what I would expect. (I see right about 60 on my 8.0 when cruising at 55......)
On 99% of the 'new' motors I built, on a 'fresh', warmed up motor, I got used to seeing over 30 at about 900 RPM.......
Wonder if the relief valve in the oil pump is faulty?
High Horsepower? Did you run the clearances a bit wide on the bearings??
Administrator
Joined: Apr 2010
Posts: 87,399
Likes: 4,214
From: Clayton MI
MonteC fell off the forums back in like 2011...... Guess he just got busy, and didn't have time for us anymore. Yea, I miss him.
If it's a truck 8.0, there really isn't much in the aftermarket for them, and even some replacement parts are getting REALLY hard to find. (OEM crank, and cam sensors, for instance.) And what parts you CAN find seem to be made of Unobtainium, as they are hideously expensive.
The Hemi, on the other hand, has ooodles (yes, that is a technical term) of goodies out there in the world for it.
What weight oil are you running? Synthetic?
If it's a truck 8.0, there really isn't much in the aftermarket for them, and even some replacement parts are getting REALLY hard to find. (OEM crank, and cam sensors, for instance.) And what parts you CAN find seem to be made of Unobtainium, as they are hideously expensive.
The Hemi, on the other hand, has ooodles (yes, that is a technical term) of goodies out there in the world for it.
What weight oil are you running? Synthetic?
Thread Starter
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Legend
Joined: Nov 2014
Posts: 8,098
Likes: 318
MonteC fell off the forums back in like 2011...... Guess he just got busy, and didn't have time for us anymore. Yea, I miss him.
If it's a truck 8.0, there really isn't much in the aftermarket for them, and even some replacement parts are getting REALLY hard to find. (OEM crank, and cam sensors, for instance.) And what parts you CAN find seem to be made of Unobtainium, as they are hideously expensive.
The Hemi, on the other hand, has ooodles (yes, that is a technical term) of goodies out there in the world for it.
What weight oil are you running? Synthetic?
If it's a truck 8.0, there really isn't much in the aftermarket for them, and even some replacement parts are getting REALLY hard to find. (OEM crank, and cam sensors, for instance.) And what parts you CAN find seem to be made of Unobtainium, as they are hideously expensive.
The Hemi, on the other hand, has ooodles (yes, that is a technical term) of goodies out there in the world for it.
What weight oil are you running? Synthetic?
Administrator
Joined: Apr 2010
Posts: 87,399
Likes: 4,214
From: Clayton MI
Not just off-hand..... I *think* he is in the Carolinas somewhere..... but, not 100% on that. I am pretty sure it is mentioned somewhere in his thread..... (yeah, somewhere in 80 some odd pages......)
Could always install a Mega Viper. I think they are rated to 800 or so.....
Hhhmmmmm....... I think something is amiss with your motor. Even synthetic oil should be that low..... I was thinkin' maybe you were using 0W20, or some such..... THAT might explain it....
I would be real tempted to yank the oil pump, and test it.......
Restriction in the oil passage to the sensor? Maybe?? (see that straw I am grasping at? )
Bed time for me. Got a family reunion we are hosting HERE (my place) tomorrow. Should be fun. I'll be glad when it's over.
Could always install a Mega Viper.
I think they are rated to 800 or so.....Hhhmmmmm....... I think something is amiss with your motor. Even synthetic oil should be that low..... I was thinkin' maybe you were using 0W20, or some such..... THAT might explain it....
I would be real tempted to yank the oil pump, and test it.......
Restriction in the oil passage to the sensor? Maybe?? (see that straw I am grasping at?
)Bed time for me. Got a family reunion we are hosting HERE (my place) tomorrow. Should be fun. I'll be glad when it's over.
Thread Starter
|
Legend
Joined: Nov 2014
Posts: 8,098
Likes: 318
Not just off-hand..... I *think* he is in the Carolinas somewhere..... but, not 100% on that. I am pretty sure it is mentioned somewhere in his thread..... (yeah, somewhere in 80 some odd pages......)
Could always install a Mega Viper. I think they are rated to 800 or so.....
Hhhmmmmm....... I think something is amiss with your motor. Even synthetic oil should be that low..... I was thinkin' maybe you were using 0W20, or some such..... THAT might explain it....
I would be real tempted to yank the oil pump, and test it.......
Restriction in the oil passage to the sensor? Maybe?? (see that straw I am grasping at? )
Bed time for me. Got a family reunion we are hosting HERE (my place) tomorrow. Should be fun. I'll be glad when it's over.
Could always install a Mega Viper.
I think they are rated to 800 or so.....Hhhmmmmm....... I think something is amiss with your motor. Even synthetic oil should be that low..... I was thinkin' maybe you were using 0W20, or some such..... THAT might explain it....
I would be real tempted to yank the oil pump, and test it.......
Restriction in the oil passage to the sensor? Maybe?? (see that straw I am grasping at?
)Bed time for me. Got a family reunion we are hosting HERE (my place) tomorrow. Should be fun. I'll be glad when it's over.
Thread Starter
|
Legend
Joined: Nov 2014
Posts: 8,098
Likes: 318
When I finally get everything working I'm going to be posting it up! Right now tracking down this oil issue.