Originally Posted by
Graham those pistons have very thick crowns, i used a set when i built a 2.2 using longer diesel rods and a crank stroked to 80mm, i cant remember how much longer diesel rods are but im pretty sure you will have to machine off more than i did, which is a good thing weight wise and be will be ok on crown thickness as mine were still on the thick side when done, if you already have the pistons measure the crown thickness in the middle, these were something like 24mm you can safely go down to 6mm
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