Whats Your piston to Wall Clearance?

[squeakfinder]

Basically, what the title says. It would be nice to see some responses from people that have put a big block together in the last 2 or 3 months. Not in the last 2 or 3 years or longer

I have Speed pro L2355F60 Forged Aluminum Pistons in a 440.
Cylinder wall to piston clearance is .0015

Federal Mogul tech line said .001. Which is written on the box is fine. Skirts are coated.

And no I have not installed and ran this engine yet.

Larry

[deathcharger71]

small block with forged aluminum called for .005 clearence, which seemed like a lot to me.

[chargerbr549]

We did a 440 late last fall with a Speedpro L2355F coated piston and if I remember right it's been awhile but I think they stated a certain bore size that they wanted and when you measured the piston and did the math it came out to around .00275" clearance.

Kevin

[firefighter3931]

Mine has the older style 2355 speedpro slugs w/o the coating. Piston to wall clearance is .0075


Ron

[tecmopar]

From what I know the coating is for piston scuff, it has nothing to do with the pistons expanding, they are going to grow as they get hotter, again, good luck.