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-   -   Exhaust Manifolds (https://67-72chevytrucks.com/vboard/showthread.php?t=841628)

Palf70Step 01-26-2023 03:42 PM
Exhaust Manifolds
 
The headers I have on my 70 were bought in the early 70's. Not sure of the brand. I was thinking about going back to a Ram horn style manifold. I'd like to use the 2-1/2 ones. Do the manifolds have to angle back for out trucks or do the straight down ones like on the corvette work?

OregonNed 01-26-2023 03:43 PM
Re: Exhaust Manifolds
 
Quote:
Originally Posted by Palf70Step (Post 9171574)
The headers I have on my 70 were bought in the early 70's. Not sure of the brand. I was thinking about going back to a Ram horn style manifold. I'd like to use the 2-1/2 ones. Do the manifolds have to angle back for out trucks or do the straight down ones like on the corvette work?
Interested too..

too much stuff 01-26-2023 03:56 PM
Re: Exhaust Manifolds
 
I think if your small block is in the forward position like a factory V-8, the angled ones would be correct. If in the rear position like a 4x4, the straight dumps would be correct.

truckster 01-26-2023 04:46 PM
Re: Exhaust Manifolds
 
4WD goes straight down. I believe 2WD is angled.


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