Cp Pistons: Clearance And Piston Slap?

[Jobi]

Hi,

I'm about to buy a set of forged 86.5mm CP Pistons (with their nitrided rings). I've also planed to go for their skirt coating option (any opinions on that BTW?).

I've been told the advised clearance was 3.5 thousands of piston to wall clearance. It seems quite a lot for me (would have expected 3 thousands) and I'm very afraid of ending up with audible piston slap. Have you guys already experienced that? Have you tried tighter clearance (3 thou or less) with those pistons? If so, have you seen any side effects on the long term?

Thx for help!

Jon

[[200]]

This might help.

http://www.skylinesaustralia.com/forums/Fi...st-t302578.html

[Jobi]

I've used the search function, but I've missed this thread... Thx!

So bascially, 3.25ish thou clearance should be ok.

Any opinion on the skirt coating now? I've read that the coating thickness shouldn't be considered when calculating the piston to wall clearance. Anyone could confirm?