Quote:
Originally Posted by oldman
They do list different part numbers for their LT1 vs LT4 guides and the LT1 guide says:CHE manganese bronze valve guides.
Works with LT1, L86, and L83 heads.
Does NOT with with LT4 heads. You probably can call CHE and see why there are two different guides.
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The difference is about .010 in the guide bore between LT1 and LT4 heads. The material is the exact same.