My friend has a 73 Challenger with a slightly warmed over 340 with "J" heads. He's currently running an Edelbrock Performer Intake Manifold (that we snagged from a Junkyard) with a 750 CFM Edelbrock carb. He had a Weiand Dual Plane Intake on it before. It seems to like the Edelbrock alot better than the Weiand. My question is...is this the best Intake for this engine or do you reccomend another? Like I said before, it's mostly stock with a cam that's warmer than what was in it before. I don't have any cam numbers (the engine was rebuilt sometime in it's life before he bought the car), but it idles well (with a little lope) and the engine doesn't produce vaccum for crap. I've worked on Mopars for a little while, and I think the manifold he has right now is good enough but I thought I'd post this here and see what answers I get back. Fellow Mopar guys, please feel free to answer...
And since we're talking about Mopar engines, I would like some clarification on the small block heads if y'all can help. I've been told that the "X" head is better than the "J" head. Is this true? We swapped a pair onto a 340 Duster once and the guy said he could tell a difference. Since I never drove the car before he did the swap, I wouldn't know one way or the other. I was told by another Mopar guy with some experience that there's no difference whatsoever. Any help you guys can give me is much appreciated!
And since we're talking about Mopar engines, I would like some clarification on the small block heads if y'all can help. I've been told that the "X" head is better than the "J" head. Is this true? We swapped a pair onto a 340 Duster once and the guy said he could tell a difference. Since I never drove the car before he did the swap, I wouldn't know one way or the other. I was told by another Mopar guy with some experience that there's no difference whatsoever. Any help you guys can give me is much appreciated!
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