Need help transferring 74 block parts into my new 89 block

toolmanmike said

I would also do everything in my power to use the roller cam valve train. It's a big plus in many ways.

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I have to agree with this. I am far from a HR fan but for the OP he would be miles ahead to do the HR, especially if he has the lifters that came out of the 89 block.

Its been 20 years or so since I priced OE HR lifters but back then they were really reasonable cost wise.