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Username Post: 1963 292 exhaust manifold        (Topic#348594)
Posts: 88

Loc: Missoula, Montana
Reg: 07-26-07
12-07-17 04:55 PM - Post#2717221    

After waiting 3 weeks for my cracked exhaust manifold to get welded up, I got it back today with a no charge failure to fix note that said it was beyond repair. It surely is now as the welding spiderwebbed it into ruin. I have talked to several folks who have what they are calling 292 exhaust manifolds for sale but they all have smaller exhaust outlets (mine goes straight down and is about 2 3/8 i.d.) while the ones for sale locally are closer to 2 inch i.d. and have a 30 degreee sweep to the rear like a newer 250 exhaust.

From what I can find on the all knowing web, it sounds like a 250 exhaust for a non integral head will bolt up fine but I am wondering if

1. Anyone is running the smaller diameter exhaust on a 292 with good results and;

2. If there is a source for the larger diameter exhaust for a 292?

I don't want to go with an Offenhouser or some other hopped up deal but would like it to look stockish and not too expensive.

Old Iron makes me happy. 63 Suburban 4x4, 66 Chevy C10 and 65 GMC, 1951 Chevy 3800, 1958 Pontiac Custom Safari wagon


Posts: 28

Loc: Tyler, Texas
Reg: 01-10-07
01-20-18 07:48 AM - Post#2721555    
    In response to l4stout

I would not recommend using the 250 or 230 exhaust manifold. In 1964 my dad purchased a new truck with 292 that had the smaller manifold installed by mistake at the factory. We went through several manifolds before we got the one that was really for the 292 because the smaller ones kept breaking due to vibration of the stronger engine. Recently we had to replace it again due to rustout and we found on eBay a new correct manifold that was aftermarket.


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