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08-27-2004, 10:23 AM
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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Need bolt lengths for BB exhaust manifolds.
Does anyone have the bolt lengths for the stock cast iron exhaust manifolds for a big block? (w/o A/C) The ones on my C-30 are so rusted and rounded over. It is time to replace them. thanks
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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08-27-2004, 02:00 PM
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#2 |
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Watch out for your cornhole !
 
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Mine were 1 1/8 inches long stock, but I couldn't find them that length, so I used 1 1/4 with a washer under each one.
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I'm on the Instagram- @Gearhead_Kevin |
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08-27-2004, 06:03 PM
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#3 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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I pulled one tonight when I got home. Mine was 1-1/4 and didn't use a washer. I measured the depth and it looks like it would be safe to almost 1-1/2. Atleast on the first bolt hole. Time to order an extra set of ARP BB intake bolts since they are the right size and length @ 3/8-16 x 1-1/4" for the exhaust manifolds too. Thanks TX.
__________________
Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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