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Old Aug 25, 2015 | 08:02 PM
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1972 broncho

Having oil leak from bell housing motor is fresh build bored out 60 over balanced blue printed with 1000 miles no smoke expired warranty no over heating temp 175 oil pressure 40 just oil leak motor completed by reputable machine shopdid the install to save a few bucks any suggestions
 
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Old Aug 26, 2015 | 05:16 PM
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From: Lawrence Swamp
newly machined motor installed (correctly?)

WELCOME!!!

What motor (& transmission)?
Did the shop assemble as well?
 
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Old Aug 26, 2015 | 07:09 PM
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Originally Posted by chrlsful
WELCOME!!!

What motor (& transmission)?
Did the shop assemble as well?
302 had transmission shop check out np 435 is fine, the shop built the motor we installed getting a knocking sound once motor warms up fearing worst hope its rear main seal once i turn the motor off getting oil leaking out bell housing small drip but losing oil none the less any suggestions
 
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Old Aug 27, 2015 | 12:14 AM
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From: Lawrence Swamp
how long has the engine knock been there? Locate it w/a "stethescope" by placing a rod or hose around & about. (B careful of moving prts.) If they assembled it it should go back 2 them.

The oil leak may B from ur install...

Keep talkin, try 2 use periods.
 
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Old Aug 27, 2015 | 08:43 AM
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Originally Posted by chrlsful
how long has the engine knock been there? Locate it w/a "stethescope" by placing a rod or hose around & about. (B careful of moving prts.) If they assembled it it should go back 2 them.

The oil leak may B from ur install...

Keep talkin, try 2 use periods.
The ratling sound comes and goes coming from lower end. My oil pressure eemains 40psi and temp stays at 170. Starting to think it could be from fly wheel bolt that goes into block based intermittent rattling sound and small oil leak. If it were rear main seal would the temp and oil pressure be way off. Rattling sound just started which coincides with oil leak motor has 1000 moles fresh build.
 
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Old Aug 29, 2015 | 07:57 AM
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From: Lawrence Swamp
dx bottom end or motor/trany mate up noise

"...If they assembled it it should go back 2 them.
The oil leak may B from ur install..."

I don't know what causes ur noise. I'm 1 grade below a shade tree mechanic. I am getting an engine back from a shop whenever the machinest feels like doing it I guess... I will assemble with some help. I WILL B CERTAIN to use a drill & shaft to pump up the special assembly lube and break in fluid B4 I start the new motor. THAT may have been the problem w/urs altho I think that may B more important 4 the top end (but of course 4 all bearing surfaces). If you begin a disassembly to find the problem (not a motor removal) U may nor B able 2 give the motor back to the shop. At any rate you hafta get going on the diagnosis. Communicate w/the shop.
An NP 435 is a pretty straight mate to the bent8 but U may have done something there, I just can't tell frm here~
 
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