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390/429 oil pan bolts same size as 472/500? How many bolts? All same size?

Started by speach, May 12, 2013, 01:10:17 AM

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speach

As you can tel from the subject header I am trying to get some info on the oil pan bolts for the 390/429 motors. Do they use the same size as the 472's? 472 uses 20 how many do the 390/429's use? Heck i guess I am wondering about the valve cover bolts as well. If anyone has a set of originals I would like to purchase. Thanks
Current cars:
1986 Military Chevrolet Diesel G30 Box Van
1968 Conv DeVille
1989 Toyota SpaceCruiser


You cant take your car with you in the end so drive the dang thing.

WilliamTrausch

Scot Minesinger

Jeff at Willington CAD, USA Parts, Cadillac Tim, and others may be able to sell you a set of oil pan and valve cover bolts for a 429 engine.  It may be easiest to buy a set of bolts at HD or Lowes (Fastenal on-line is really great) as they are likely 5/16" x 1" or so course threads.  The valve cover and oil pan bolts are likely different.

Good luck,

Scot
Fairfax Station, VA  22039 (Washington DC Sub)
1970 Cadillac DeVille Convertible
1970 Cadillac Sedan DeVille
1970 four door Convertible w/Cadillac Warranty

speach

Current cars:
1986 Military Chevrolet Diesel G30 Box Van
1968 Conv DeVille
1989 Toyota SpaceCruiser


You cant take your car with you in the end so drive the dang thing.

WilliamTrausch