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**jocko** · 11-13-2017, 09:16 PM

Thanks Truckster, yes, familiar with the vortec manifold vertical bolts - that's part of my dilemma, wanting to use an original manifold. Missed where you said he'd need a manifold, sorry about that. All on the same sheet of music.

350/357 aside - if I go away from a Gen 1 head config, I'd either go with the L31 or a 383, your point is a good one. In that case it comes down to money, and if tight, L31 a great option.

11-13-2017, 09:16 PM	#25
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,934	Re: What GM create engine to buy for 3/4 ton 72 C20 Thanks Truckster, yes, familiar with the vortec manifold vertical bolts - that's part of my dilemma, wanting to use an original manifold. Missed where you said he'd need a manifold, sorry about that. All on the same sheet of music. 350/357 aside - if I go away from a Gen 1 head config, I'd either go with the L31 or a 383, your point is a good one. In that case it comes down to money, and if tight, L31 a great option. Last edited by jocko; 11-13-2017 at 09:42 PM.