98 block
#2
The 98 block will be a roller, the 94 heads will fit but there is no coolant cross over setup in the block which WILL need to be addressed or you will run into cooling issues on a street truck. Most people go the other way, newer Vortec heads on the old school blocks, same deal with the coolant passages though ...
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calsdad
8-Lug Truck Performance
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06-14-2023 11:07 PM