Hello fellas! Now with extra $$$ in the bank, the project of reviving Boy Blue continues. I am at the point of trying to figure out an exhaust system setup for the truck. Reading over some post I have decided to go with manifolds instead of headers (Dorman Brand) but there is my first problem.
When comparing prices online on summit racing and advance auto parts, the driver side part number matches (part# 674-152) but I get contradicting part numbers for the passenger side exhaust manifold. One sites list 674-166 while the other list 674-236.
Do any of you know which of these would be correct for my truck? You help is appreciated.

 

The 674-166 is for a 5.8L. The correct number is the 674-236 which is for a 5.0L truck.

 

Thanks for the help. would you know the difference between the 674-153 and the 674-236?

Since I'm looking at the driver's side 674-152 would the exact opposite piece be the 674-153?

 

I have dormans my truck
351w
one had a heat riser.
One did not.
Sorry no part number