engine modds
#21
Those in the know is this timing cover OK or do I need one note light scoring in oil pump gear area
Replacing pump gears, my oil light issue was probly the fact that all my main and rod bearings were down to the copper and scored guess my calibrated ear was hearing the beginning of bottom end failure, I could rattle the rods on crank, rings fell off the pistons no effort
Don't think the engine was gonna last much longer
Replacing pump gears, my oil light issue was probly the fact that all my main and rod bearings were down to the copper and scored guess my calibrated ear was hearing the beginning of bottom end failure, I could rattle the rods on crank, rings fell off the pistons no effort
Don't think the engine was gonna last much longer
#22
The max dimension between rotors and cover plate is .004".
Normally folks get a new front cover, gears and cover plate. Not cheap. I doubt your front cover with cover plate and new gears will come in under that max dimension. Try it out, see what you get.
Normally folks get a new front cover, gears and cover plate. Not cheap. I doubt your front cover with cover plate and new gears will come in under that max dimension. Try it out, see what you get.
Last edited by TOM R; 07-03-2015 at 01:41 PM.
#23
USN Ord - do you know how what the piston top to deck height was since you used the longer rods on a longer throw crank? That's almost a 1/4" difference between stock rod lengths. I don't know the journal center differences. Just wondering, I know your not getting pre det on regular but if a piston is too low you loose quench and too high obviously interferes with valves. I also don't have the pin center to piston top difference between the two slugs. Obviously it worked, just wondering for my own reference later on down the road.
#25
#26
Gonna try to get short block together tommorow, so I need to use 4.6 crank and rods, which pistons? Is there an advantage to the higher compression?
guys am I measuring the oil pump clearance with plastigauge? Or just let it fly since I am using a new pump, scoring is not as bad as pics show, I can feel it some with finger nail in the aluminum front cover, that metal plate is smooth
guys am I measuring the oil pump clearance with plastigauge? Or just let it fly since I am using a new pump, scoring is not as bad as pics show, I can feel it some with finger nail in the aluminum front cover, that metal plate is smooth
Last edited by TOM R; 05-18-2015 at 08:27 PM.
#27
Gonna try to get short block together tommorow, so I need to use 4.6 crank and rods, which pistons? Is there an advantage to the higher compression?
guys am I measuring the oil pump clearance with plastigauge? Or just let it fly since I am using a new pump, scoring is not as bad as pics show, I can feel it some with finger nail in the aluminum front cover, that metal plate is smooth
guys am I measuring the oil pump clearance with plastigauge? Or just let it fly since I am using a new pump, scoring is not as bad as pics show, I can feel it some with finger nail in the aluminum front cover, that metal plate is smooth
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TOM R (05-18-2015)
#28
#30
I doubt it, I think USnO used 4.6 rods otherwise the slugs would be a wee bit proud of the deck...... Now if you used aftermarket you could find a pin closer to the top like in a flat top but then you'd have one tiny chamber and it would probably eat composite hg's like Moon Pies at a Mobile Joe Cain Day Mardi Gras parade.