Thread: General Hemi Info Part 2

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One thing to watch for Chrysler HEMIs is making sure you have a way to get the hot water out of the block. On the early 331, the water exited through the thermostat housing in the intake, there was no provision for a water crossover in the front of the heads as on the latter HEMIs. While an earlier 51-54 wet intake can be used on latter 55 and up Chrysler HEMIs and the water crossover deleted, a 55-up dry intake has to have provisions made to get the water out of the block is it’s used with earlier heads. A way some people get around this is to tap the intake manifold over the water jackets like the Drag Star shown below has (the brass pipes coming from the intake just above the valve covers.