rams horn bolts. know the sizes? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mtdave2 · 03-30-2005, 09:50 PM

im going to replace all the bolts when i redo the exhaust manifold gaskets. i would like to have the new bolts bought and ready so i can get the job done fast.

soo, does anyone know what sizes the stock 72 350, a/c, c20s used? shot in the dark but why not ask?

86SILVERADO · 03-30-2005, 10:15 PM

The centers are 3/8 x 3" and the outers are 3/8 x 2.5"

03-30-2005, 09:50 PM	#1
mtdave2 newly minted old timer Join Date: Dec 1999 Location: Hudson WI Posts: 3,508	rams horn bolts. know the sizes? im going to replace all the bolts when i redo the exhaust manifold gaskets. i would like to have the new bolts bought and ready so i can get the job done fast. soo, does anyone know what sizes the stock 72 350, a/c, c20s used? shot in the dark but why not ask? __________________ ____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban

03-30-2005, 10:15 PM	#2
86SILVERADO Registered User Join Date: Dec 2002 Location: Hills of Western Mass Posts: 626	The centers are 3/8 x 3" and the outers are 3/8 x 2.5" __________________ 86 Silverado C10 back to 305 power! 67 C30 Dually Dump, with 350 transplant, Rockhauler 05 Duramax 3500 "If at first you don't succeed, try a bigger hammer" Member of the 1-Ton club!



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