Quote:
Originally Posted by Dauntless1971
I found a rebuilt 400 engine that may not have even had break-in oil changed yet. The price seems fair considering cost of machine work nowadays. But it has the 8 valve relief jobber cast 411np pistons. Would it be worth buying and changing out the pistons to at least l2262f?
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I did that. (cuz i broke one of the 8 vr from detonation) The l2262's were just under $400 usd. I added ARP bolts to the rods. The machine shop was another $350 CDN to swap the pistons, install the bolts and resize the big ends. Then another few bucks for gaskets and new rod bearings. You might get a way with reuseing the rings but inadvisable. Then you're close to about $1k if you do the disassembly, ball honing, cleaning, assembly yourself. Older engine that I had. It is worth it for me.