Ross piston to wall clearance

[Heartless]

Ok, I'm going to run a Ross/Eagle combo in my 6bolt, BC 272's, Holset HX35 with 23psi on street and up to 30psi at the track. Ross' spec's say .006 piston to wall clearance but that seems a little bit much to me, I was wondering if anyone that is making around 500awhp has any suggestions for a piston to wall clearance or if the .006 will be adequite? Also would you happen to have a ring end gap suggestion or is the stock spec's as suggested by Ross acceptable?
Thanks

 

[afsdsm]

Do what the spec sheet tells you.

 

[DSM_PWR]

x2 on the spec sheet

Ross pistons are known for having more wall clearance...

My Piston wall clearance on my wiseco is .0035
Top Ring .023
2nd Ring .025

Planning on making 700hp with nitrous

 

[Heartless]

Thanks! I just wanted to make sure on the specs.

 

[Brianawd]

0.0055 for the piston to wall clearance
0.019 for the top ring
0.023 for the bottom ring.

 

[DSM_PWR]

0.0055 for the piston to wall clearance
0.019 for the top ring
0.023 for the bottom ring.

For 500hp i would go...
.020 top
.023 2nd

But thats just me

 

[Brianawd]

For 500hp i would go...
.020 top
.023 2nd

But thats just me [/QUOTE

.020 and .019 is so little its not going to make a difference.

 

[AWD_Hybrid]

3 thou less wall clearance if you are ceramic coating them.
Cheers !

 

[Heartless]

No they're not coated, I went with the .0055 clearance, .020 for the top rings and .023 for the secondary rings, I appreciate the help, thanks!