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[MCE]

What kind of power can be expected using S&S .570 cams in a 110" keeping the stock pistons and ported heads?

You'll need to get the compression up to a reasonable level for a S&S 570 (around 10:1). Milling the crap
out of the heads is not the way to accomplish that. Head milling is for fine tuning the CR, not for making
drastic changes. (There are allot of reasons why that's the case)

Put a dome in there to get it close to what you're wanting, then mill them a little (if needed) to bring it up 
to where you want it. 5-6 CC domes are going to be needed.

If you mill too much off the head to get the squeeze right, you end up with valve to piston clearance and
intake manifold fit problems. Put pistons in it!

[Ridgerunr]

What are you doing on the M8 heads as far as springs? (They're using bee-hives)

M8 cams have less lift, no?

[MCE]

For the most part, but everything is smaller too.

[Ridgerunr]

I have a WT TC24D in a stock 110 that does pretty good (110/124). They don't make that cam anymore, but isn't a GMR 577 close to the 24D?

[Unbalanced]

I have a WT TC24D in a stock 110 that does pretty good (110/124). They don't make that cam anymore, but isn't a GMR 577 close to the 24D?

[busarealfast]

MCE, who makes the pistons your describing?

[Johnchev89]

Keith Black part # 661c.  Has a 4.2cc some.  Would get you right at 10.0 to 1 with your stock heads.
I'd go .010 over.  Priced pretty reasonable too

[Ridgerunr]

Keith Black part # 661c.  Has a 4.2cc some.  Would get you right at 10.0 to 1 with your stock heads.
I'd go .010 over.  Priced pretty reasonable too

 

[MCE]

Keith Black part # 661c.  Has a 4.2cc some.  Would get you right at 10.0 to 1 with your stock heads.
I'd go .010 over.  Priced pretty reasonable too

Right on! KB pistons are very good and priced reasonably. I like them.

[HD Street Performance]

Have another look in their catalog and instructions.  The KB661LCA std is .001 os and allows a slight hone to bring it in plus has the line2line coating, a plus. Or is also available in .005 in that version. Put it in plates and hone only, no boring needed.

[MCE]

Have another look in their catalog and instructions.  The KB661LCA std is .001 os and allows a slight hone to bring it in plus has the line2line coating, a plus. Or is also available in .005 in that version. Put it in plates and hone only, no boring needed.

How are you torquing those down? (I don't see any bolt holes in those plates) Just wondering.... thanks

[HD Street Performance]

Never work on pans or shovels? Arp studs washers and nuts.

[MCE]

Never work on pans or shovels? Arp studs washers and nuts.

Yes, but I try not too.

I'm talking about about bolting the top plate to the cylinder, I see it now. (Mine have through holes)