Head Gasket thikness?
B16B head Milled .005" off, B16a Bloc decked .005" off, PCT ( civic type R) 81.25mm pistons!
What head gasket thinkness do I need in order not to have rod strech...will be revving to 9000rpms! Thanks!!! Pat |
Re: Head Gasket thikness? (psegs80)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by psegs80 »</TD></TR><TR><TD CLASS="quote">What head gasket thickness do I need in order not to have rod stretch...will be revving to 9000rpms!</TD></TR></TABLE>
Please help me understand what head gasket thickness has to do with how much a rod stretches...? |
Re: Head Gasket thikness? (b19coupe)
Honda recommends .020" in the hole in order not to have rod strech at high rpms...franqualy I don't know why but I know that I was runing a .027" head gasket with 0.005" milled head and My type R pistons and I spun a bearing cause of rod strech...I was 0.012" out of the hole to start with because of the pistons and milled head!
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Re: Head Gasket thikness? (psegs80)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by psegs80 »</TD></TR><TR><TD CLASS="quote">Honda recommends .020" in the hole in order not to have rod stretch at high rpm...frankly I don't know why but I know that I was running a .027" head gasket with 0.005" milled head and My type R pistons and I spun a bearing cause of rod stretch...I was 0.012" out of the hole to start with because of the pistons and milled head!</TD></TR></TABLE>
I am a little skeptical that rod stretch was the cause of a bearing failure. If your pistons were out of the hole enough to contact the head I can see your rod bearings getting hammered. A thicker head gasket might fix that problem, just measure everything. |
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