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Old 05-21-2010, 06:45 PM   #1
tr69c10
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Join Date: Feb 2008
Location: bellflower ca
Posts: 370
Bolt size ?

Need to now the bolt size for the tranny hump and thread and how many bolts thanks.
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Old 05-21-2010, 07:31 PM   #2
JimKshortstep4x4
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Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
Re: Bolt size ?

The bolts are 5/16"-18 x 3/4" long and I believe that you need 18. The originals are made with washers with flat ends but fender bolts will work, also.

Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end
1965 Impala SS 400 sbc, Muncie rock crusher
1966 Impala SS 396 bbc, TH 400
1969 El Camino, 350 sbc, TH 350
1971 Snowplow built on a Blazer frame
1972 GMC Short bed, stepside, TH 400, 427 BBC
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Old 05-21-2010, 07:37 PM   #3
tr69c10
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Re: Bolt size ?

Thanks for the quick reply
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