Speedmaster head oiling question.

MonkeyMadness said

I'm looking into getting a set of Speedmaster flat tappet heads and I noticed that it mentions "oiling through rod".

My question is would I just run a set of hollow magnum push rods?

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AFAIK and remember seeing, they oil through the head. You can oil through the pushrod if you wanted to with the correct rocker. There’s a few on the market. Comp Cams has them in a 1.5, PRW has them in a 1.5 & 1.6.

MonkeyMadness said

Also does the raised exhaust port (+.625) effect anything other than header location, like push rod length or rocker geometry.

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No, just where the port is. No issues on rocker geometry or pushrod length.

MonkeyMadness said

These would be replacing the stock 72 318 heads on my block. It currently has a 3.9700 bore on a 4" stroke with 9.3:1 cc pistons, and a comp extreme energy 218/224 cam.

Thanks
j

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Sounds good. What’s the lift?