2003z Posted December 22, 2006 Share Posted December 22, 2006 What do I tell the machine shop. I want to go up to a 87mm piston (.04 over), do I tell them the size of the piston, the size I want the bore, the over bore? Also, what is the acceptable bore size range (min/max)? Would I just add 1mm to the stock ranges? Thanks Quote Link to comment Share on other sites More sharing options...
OlderThanMe Posted December 22, 2006 Share Posted December 22, 2006 I read that you should give them the oversize pistons and say: make these work...that way they can make sure the fit will be right. I think the same ranges just pus 1mm is right. BTW which machine shop are you using? Quote Link to comment Share on other sites More sharing options...
2003z Posted December 22, 2006 Author Share Posted December 22, 2006 BTW which machine shop are you using? prob. sosebees in Lawrenceville Quote Link to comment Share on other sites More sharing options...
geordieggg Posted December 22, 2006 Share Posted December 22, 2006 I read that you should give them the oversize pistons and say: make these work... That's what I've always been told is the best way, that way the machine shop can make any allowances for variations in piston size. Quote Link to comment Share on other sites More sharing options...
Ledphoot Posted December 22, 2006 Share Posted December 22, 2006 yep any good shop prefers/requires you to provide the pistons for proper fit.. Quote Link to comment Share on other sites More sharing options...
2003z Posted December 22, 2006 Author Share Posted December 22, 2006 thanks! I will order the pistons first this time around! doh! Quote Link to comment Share on other sites More sharing options...
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