i got a question about my ross pistons
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Junior Member
Joined: Jul 2005
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From: g, pa
i got a question about my ross pistons
i have a h22 with ross pistons the problem is i am going to run a turbo and you need.006 for the pistons to wall i only have .003 for the piston to wall
the ppl from the mach shop thinks that .006 is alot.
help
the ppl from the mach shop thinks that .006 is alot.
help
Junior Member
Joined: May 2005
Posts: 120
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From: Montreal, CANADA
Oh, I can tell you to follow Ross clearance or you might be sorry. They expand *a lot* and need all that clearance.
If you don't follow their directives, they will scuff. They could even seize in extreme conditions.
Been there, done that.
We run them at 9 thousands on our Mirage. Funny thing is that you can hardly hear any slap from them...
If you don't follow their directives, they will scuff. They could even seize in extreme conditions.
Been there, done that.
We run them at 9 thousands on our Mirage. Funny thing is that you can hardly hear any slap from them...
Honda-Tech Member
Joined: Jun 2001
Posts: 8,120
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From: Irvine, CA, usa
Re: i got a question about my ross pistons (h22_crx)
.006" clearance is huge when most turbo pistons use about .0035". I would think they would knock like crazy. Is your block sleeved?
Old Schooler
Joined: May 2003
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From: WESTMINSTER, CA, 92683
Re: i got a question about my ross pistons (h22_crx)
This is Tom J from Arias Pistons.
Run The .006 it calls for or you will Have a huge problem.
There are some people on this bord that clame to know about pistons dont listen to them. Your pistons will be fine @ .006 if a piston calls for 003 and it is @ .006 then you will have a little nock in your motor but it will still run fine. It will just make noise.
Pistons that call for .006 wont make noise if they use the right piston cam on the piston.
If still in doubt call Ross they will tell you what you need to know
Run The .006 it calls for or you will Have a huge problem.
There are some people on this bord that clame to know about pistons dont listen to them. Your pistons will be fine @ .006 if a piston calls for 003 and it is @ .006 then you will have a little nock in your motor but it will still run fine. It will just make noise.
Pistons that call for .006 wont make noise if they use the right piston cam on the piston.
If still in doubt call Ross they will tell you what you need to know
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Junior Member
Joined: May 2005
Posts: 120
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From: Montreal, CANADA
BTW, we run .009 because Ross tells to add .002 for the nitrous. Then we added an extra .001 for luck. 
I'm not saying to run .009 on yours, just to follow Ross specs for your application.
I'm not saying to run .009 on yours, just to follow Ross specs for your application.
Honda-Tech Member
Joined: Mar 2003
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From: Hudson, NH, 03051
Re: i got a question about my ross pistons (h22_crx)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h22_crx »</TD></TR><TR><TD CLASS="quote">there the stock cams</TD></TR></TABLE>
The "cam" Tom is talking about is the shape of the piston.You may want to start with new rings if you already gapped them for the smaler bore.
Glenn
The "cam" Tom is talking about is the shape of the piston.You may want to start with new rings if you already gapped them for the smaler bore.
Glenn
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