EXH. FLANGE BOLTS

  • Tiny
  • littlewing
  • 1971 GMC Truck
  • V8
  • 2WD
  • automatic
  • 180,000 miles

Been having trouble finding what size deep well socket to use on exh. Flange bolts on '71 GMC pu w/ 350 auto/ in between normal sizes-even tried metrics, all either too big or small// Not 1/2 " 9/16" 5/8" Or 13, 14, 15 mm's either- tho I know they have to be SAE// Special socket.

Thursday, April 14th, 2011 AT 3:16 AM

1 Answer

  • Tiny
  • JDL
  • Expert
  • 16,236 posts

It it a through bolt, head of the bolt on one side, nut on the other? If so, cut it off, oxy-acetylene, or use hammer and chisel. You can always get another nut and bolt.

If the bolt goes into a blind hole, you can't cut it.

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Thursday, April 14th, 2011 AT 2:10 PM

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