Looking for some help!
My brother has an S-10 <nobr>pickup
</nobr> with a 350 v-8. From driving without sufficient give in the exhaust system, the headers have been destroyed. Being short on cash, new son, and other issues, he needs to fix the <nobr>truck
</nobr>. His option seems to be to go back to the stock exhaust manifold and use it. However, in these conversions, the only manifold that will work is an end dump design, (rather than the rams horn style). The problem is, the end dump was only found on heads that were built with a wider hole spacing to fit around the outlet. His heads don't have it. changing the head is not really an option, he just put a lot of money in these. New headers are a joke, at least anything he has looked at. Could he drill the cast and put in some type of boss to clamp the manifold down with? Could he redrill his head for the new bolt location? What are some alternatives?
Also, I don't believe anything is going to survive for long if the motor can rock, and the exhaust is trying to hold it. What do you put in an exhaust system to allow some movement, short of using the flexible tubing?
A simple view of what I am referring to is as follows
typical sbc head exhaust bolting .o. .oo. .o.
End dump manifold bolting lookes .o. .oo. .o .