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Rear main seal

sunger

Well-known member
Joined
Jan 14, 2007
Messages
57
Location
Southern California
Corvette
1968 427 convertable
Can I change the rear main seal on a 1968 427 through the oil pan, or do I need to drop the tranny?
Thanks
Styeve
 
Joined
Jan 1, 2002
Messages
7,246
Location
Washington, Michigan
Corvette
'67 Marina Blue Convertible
Just drop the pan and the oil pump. Pan will come off easier if you set the timing index line on the balancer at 5 o'clock (as viewed from the front) - gets the front counterweight up out of the way, gives you more clearance to the front crossmember.

:beer
 

Vette79

Well-known member
Joined
Jan 23, 2007
Messages
1,392
Location
Millersville, MD
Corvette
1979 L-48 Black Coupe
Just drop the pan and the oil pump. Pan will come off easier if you set the timing index line on the balancer at 5 o'clock (as viewed from the front) - gets the front counterweight up out of the way, gives you more clearance to the front crossmember.

:beer
So true. This actually makes a big difference. Pan comes off nice and easy. If you are up there to replace the rear main seal, might as well replace the oil pump while you are at it. Peace of mind.
 

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