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Post by chgr74 on Aug 22, 2014 17:06:53 GMT -5
Was there a HP exhaust manifold for the 1974 or newer 360 LA engine ?
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Post by odzking on Aug 22, 2014 20:43:47 GMT -5
They only list one (L-R)for 360. (R)3751393 (L)3751083
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Post by 1ol74charger4me on Aug 23, 2014 1:55:36 GMT -5
I think they are also the same as 71-4 340 Ebodies also. Not real sexy either. Center dump, just bigger that 318. The hp made the extra hp through the cam and valvetrain. It had a double roller and windage tray also but pretty much the same as 4 barrel. I had asset of sleek long Dakotas but they were the small outlet and I couldn't stand the thought of not having the ideal big outlet ones. They looked to fit real nice on there.
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Post by odzking on Aug 23, 2014 8:32:24 GMT -5
One side is, yes.  |
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Post by chgr74 on Aug 23, 2014 8:56:46 GMT -5
So if you were going to build a factory looking 360 hp engine the exhaust manifolds won't matter...?
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Post by odzking on Aug 23, 2014 10:47:25 GMT -5
So if you were going to build a factory looking 360 hp engine the exhaust manifolds won't matter...? Nope |
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Post by 1ol74charger4me on Aug 23, 2014 17:09:29 GMT -5
The only thing you will notice different is the unequal snouted 4 barrel air cleaner. My boss's 71 340 Cuda had the exact exhaust manifolds as my 74 and both are dated correctly. Never seen a set of exact hp manifolds but the crashbooks have been known to be wrong. Even today in 2014, we ordered a grill assembly for a Trailblazer and it showed it complete but when we got it, it was only the grill. Didn't show it any other way and the parts guy at Chevy showed it the same way and had to call for part numbers to order the rest of the grill. I wonder if it is because of the motor mount or listed different because of no 340 in 74?
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Post by 1ol74charger4me on Aug 23, 2014 17:51:42 GMT -5
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Post by sunroofrallye on Jul 8, 2015 18:01:12 GMT -5
I have a question and not sure why but my numbers for my exhaust manifolds are 3751071 and 3751068 for one charger and my 1974 360 rallye thats yellow is 375 1084 but I only have one side.  |
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Post by 1ol74charger4me on Jul 9, 2015 22:47:55 GMT -5
Not sure what the question is but you just need a right manifold 3751 393 to go with your left manifold. Your left is a production installed manifold because it differs from the parts book number by one number which is not uncommon. The other manifolds are for another year possibly 75-.
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