Quote:
Originally Posted by Tony H
Thanks-New OE pistons are not an option-I still would not know if they are compatible with Iron cylinders-I need a custom solution or pistons that were used in a iron block engine. I am giving the Turbo Buick V6 pistons a fresh look. They would work with little modification and are the correct diameter-std size is 3.800" which is right where my finished cylinders are. Compression height is just slightly higher that what I need at 1.8". Pins are slightly smaller(.940") so I could have the pistons machined for the MB pins and retaining clips. They have a dish of similar shape and volume as the MB pistons. I ordered 1 piston to check out.
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I'm not sure if the OE pistons are compatible with the iron block. But if you speak to the piston makers they may be able to recommend the necessary changes to the piston required just as they do with ring grooves. You would probably want to give them piston to cylinder wall clearance for both an iron block and alloy block engine.