Hoyt,

3/16" over pistons were run by Tom Finn in his 50 fleetline at B'ville and El Mirage. He eventually split the block - but we're talking about a full race motor, running at max rpm every time it was run.

I now have these pistons, and intend to run them in a 261 I'm putting together with a cam Tom also gave me.

It'll be a couple of years before I run this combo, so don't hold your breath!!

Tom Langton advised me not to run this combination due to it severly weakening the bores, but due to the historical significance of these parts - I HAVE TO!!!

I intend to fill the block up to the level of the freeze plugs, as an attempt to stablise the core and minimize block flex, and hopefully prevent the cracking of the block.

Mark