88bluebird
Boosting 5 psi
88 thunderbird TC
Posts: 11
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Post by 88bluebird on Aug 17, 2010 10:09:16 GMT -5
I have ran out of ideas.... Rebuilt 2.3t all new bearings and Melling HV oil pump.... 35psi cold.... 0 hot... Proper bearing tollerances... not blowing through turbo... not oil cooler.... tried three different guages. any ideas???
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Post by Stinger on Aug 17, 2010 12:34:02 GMT -5
Does it rattle, knock, etc. like it's starved for oil?
Have you pulled the distributor and spun the oil pump manually with a drill at low speed and see if it's pumping a substantial amount of oil? At 1000 rpm from the drill it should overflow out of the distributor hole in a few seconds.
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88bluebird
Boosting 5 psi
88 thunderbird TC
Posts: 11
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Post by 88bluebird on Aug 17, 2010 14:20:44 GMT -5
Ran as smooth as water off a ducks ass.... I never pulled the distributor but i did a remote crank with the oil filter off and it flowed like a 10" Well
............................ I actually ran it a few months around the block, with no problems... even played with a few imports down the highway.. still no problems. Then i got ballzy and decided to drive a long distance trip (100miles there and back) well when i got back i had a little knock lol ... Pulled the motor lastnight, feels like #4 rod spun, #4 main a little dry, #1 rod actually looked pretty good. Thats as far as I got with the inspection lastnight ............................. I know driving on no oil pressure is stupid but it ran good and strong and i just didnt care lol I wanted to ride... you know what i mean besides i got new toys hehe i needed a reason to pull it anyway. But that oil pressure problem is making me learly of re-using that block ............................. Maybe the oil pump was defective? But have you ever heard of a defective Melling? I haven't
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Post by Stinger on Aug 17, 2010 15:30:40 GMT -5
If it's pumping oil out at the filter then odds are the pump is good. I'd suspect a plugged oil gallery.
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88bluebird
Boosting 5 psi
88 thunderbird TC
Posts: 11
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Post by 88bluebird on Aug 17, 2010 15:53:08 GMT -5
Thanks for the info stinger... Im hoping thats only what it is... i wanna go fast again... Ranger 2.3 N/A cant get out of its own way lol
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