Quote:
Originally Posted by Graham
The headers (exhaust manifolds) are on the other side of the heads, so not really close to the rails?? Did I misunderstand? The rails do get hot just from engine heat and being blocked in by the air cleaner.
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I'm referring to where the rails are fed, by the front of the engine - not the rails themselves inside the V. The fuel comes into those rails by the distributor. That main rail runs along the frame rail on the left side (US Driver), relatively close to the headers, and heat soak can be bad in that area - made potentially worse by collapsed engine mounts or the lack of a heat shield/spreader on the exhaust manifold.