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| Thread type and size on SBC manifold and heads Please could someone confirm the thread spec. of the accessory mounting holes on the front face of Small-block Chevy heads and manifold. They're Edelbrock items if this makes any difference. My guess is 3/8 UNC but I don't have any KNOWN 3/8 UNC bolts to try. Simon
__________________ GD427 Euro, 350 Chevy, Tremec 3550 MSD, Megasquirt Fuel Injection (TBI) |
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| RE: Thread type and size on SBC manifold and heads simon, your right! the 3 holes in the front faces of my gm ally heads are 3/8 unc, not sure about the manifold as i havnt got any on the front of my gm manifold. hth |
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