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#21
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BOLT FIX
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Good luck! |
#22
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Lots of good ideas thanks for all the suggestions. Decieded to just bite the bullet and order a new cover. If I were to repair it I was going to remove it and do it off the car. My fear was that being 40+ years old and knowing it already had a helicoil for a pan bolt ( noticed that when I initially installed). There is always a chance that another hole might strip out. Not worth taking a chance so new it is.
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#23
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#24
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If you are lucky enough that it is the outside hole, (closest to the fan) I was able to get a nut on the end of mine.
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#25
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I had a crack running through the back bolthole, and I opted to take a pc of steel, about .312" thick, and drilled/tapped for 8/32 countersunk screws into alum. housing to secure the plate. Drilled and tapped to thread in a stud, and left the existing threads intact. Loctited a stud into the "new" hole, and i figured the width of the plate would distribute the load somewhat away from the hole. Did this in 2008 and it's still 100%.
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Jimmy M 68 GTO |
#26
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Only the rear of the two holes goes through to the interior of the timing cover. I don't know which years, but some Pontiac V8's used 3/8-16 bolts instead of 5/16-18.
I strongly recommend checking the timing chain slack with your fingers while the pump is off. If it's acceptably tight, put a piece of tape or stuff a rag in the fuel pump actuator hole catch chips. You can tap 3/8-16 threads without drilling the hole any larger. Grease in the flutes of the tap will insure a clean cut and avoid chips falling inside the cover. .
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
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