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Accessory Bolt Sizes

72barracuda

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Jan 14, 2012
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Florida Panhandle
I am looking for a reference on stock bolt sizes for engine accessories. Some of my original ones are questionable so I got a kit from ARP and it has some errors.
 

burdar

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Jul 10, 2009
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I've got a fastener guide. What bolts do you have questions on?
 

72barracuda

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Jan 14, 2012
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Location
Florida Panhandle
Its a stroker build with a 75 model 360 block and 340 accessories except for new oil pan. The ARP kit that I got was so messed up I had to return it to Summit. The accessory bolts are what I was trying to verify. I found the information below, I think it was a link on the A-body forum.
threads length qty
Alternator Bracket
Coil
Distributor 5/16-18 . 3/4 1
Fuel Pump to Block 3/8-16 . 1 1/2 2
Intake Manifold Bolt 3/8-16 . 1 1/2 12
Oil Pan Bolt 5/16-18 . 3/4 18
Thermostat 3/8-16 . 1 2
Timing Cover 3/8-16 . 1 3
Timing Cover 3/8-16 . 2 3/4 1
Valve Cover 1/4-20 . 3/4 10
Water Pump to Block 3/8-16 . 5 4
Water Pump to Timing Cover3/8-16 . 2 1/2 2
Water Pump to Timing Cover3/8-16 . 2 1
 
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