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Oil Drain Bolt size?

74bigblock

Well-known member
Joined
Sep 30, 2003
Messages
1,163
Location
Barrington, IL
Corvette
2008 Z06
Anyone know the size bolt used in a Big Block oil pan? I need to tap out my old pan as Corvette Central can't seem to send me a pan that will fit on my car.

Thanks!
Dave
 

LVMYVT76

Well-known member
Joined
Apr 21, 2006
Messages
664
Location
springfield, mo
Corvette
1976 medium blue
If your threads are stripped in the pan, you might want to pull the pan and weld a new nut on the inside so the drain bolt will have something to grip on. This may be too much trouble to do.
 

74bigblock

Well-known member
Joined
Sep 30, 2003
Messages
1,163
Location
Barrington, IL
Corvette
2008 Z06
Thanks! Pan is already off the car... just going to tap it out to the next size... nut is on good, so I'm not going to take it off... espcially since I don't have a welder and could never get it back on!

:eek:hnoes
 

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