engine

3 Steps Forward

Today we made several steps forward, and only one minor back! The third piece is back on. And with the heads and rockers already in place, the lower is essentially done. In the what stupid thing did I do this week department. When I got the case back, there was no stud present for the …

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Where Am I Headed

I suspect this will be the final installment in the trials and tribulations for this head and associated cc’ing, clearance checking, deck height measuring, and compression calculating. Not only am I exhausted from doing this four times, I think we’re at the limit of what can be accomplished with this head. Our deck height is …

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Valves Paired with Head

Inspecting my heads today I noticed that the valves, which had been stamped long ago, no longer match the number next to the chamber the head. The machinist is telling me they are confident they’re in the right spot. Got me a little worried.

Headed Home

After a trip through the mail, our heads returned home. They got very similar measurements of the head angles as I did. They also mentioned that my original machinist may have surfaced the head, but did not adjust for decking off the top. Which I believe would explain my issue with getting 1 – 1.5 …

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Third Time is a Charm?

I had removed the pistons from the engine, thinking my machinist might be reworking them. Having abandoned that idea, the pistons were put back on the connecting rods today. Ring gaps reset. I’m back to the single 1mm copper cylinder base gasket.

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