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Hi
A few days ago I received the custom pistons for my Jeep (Supercharguer Stroker 4.6, about 6 psi of boost), but I don't know how choose the piston to cylinder wall clearance.
In the pistons instructions says:
SB aplications 0.0025-0.0035"
BB aplications 0.0035-0.0045"
What is SB and BB aplications?
Are differents the Supercharguer aplications?
Thanks
Generally around .004" clearance is standard, some may require a little more and some a little less. Forged pistons will expand more than cast and hypers will be somewhere between the two.