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h23 vtec rod and piston very technical (i think)

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Old Mar 1, 2004 | 05:39 PM
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ensracer's Avatar
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Default h23 vtec rod and piston very technical (i think)

im building an h23 vtec, i have everything ready to go.. now i have some crower rods i want to throw in there but crower told me that i could not run these with stock pistons, because stock pistons use a floating wrist pin and the rod is meant to be used with pistons that have a locked wrist pin like je or srp but i noticed that type s pistons use this same mechanism. would i be able to use crower rods with type s pistons or do i have to buy je or srp (500.00).... i also heard that 97 and up usdm preludes use the piston that i could use
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Old Mar 1, 2004 | 06:58 PM
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Default Re: h23 vtec rod and piston very technical (eduardo)

crower H23 rods? or crower H22 rods...you better hope that it's h23 or you are pretty FUBAR.
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Old Mar 1, 2004 | 07:04 PM
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Default Re: h23 vtec rod and piston very technical (satan_srv)

they are h23 rods
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Old Mar 1, 2004 | 07:09 PM
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Default Re: h23 vtec rod and piston very technical (eduardo)

you must have this backwards.

type-s pistons are floatin pin design.
All aftermarket rods I have seen are also floating pin design.

Crower must think you are going to use H23 pistions, which are press fit. But you're using type-s so I don't see a problem. Pistons like JE SRP and the like are also floating pin design.
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Old Mar 3, 2004 | 02:03 PM
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Default Re: h23 vtec rod and piston very technical (eduardo)

hey eduardo i cant really help you but can you help me...i also want to do this head swap but i dont know what to get and you said you have eveyrthing could you please give me a list down to every morsel of detail? thanks a lot
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Old Mar 3, 2004 | 02:56 PM
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Default Re: h23 vtec rod and piston very technical (confusion5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by confusion5 &raquo;</TD></TR><TR><TD CLASS="quote">hey eduardo i cant really help you but can you help me...i also want to do this head swap but i dont know what to get and you said you have eveyrthing could you please give me a list down to every morsel of detail? thanks a lot</TD></TR></TABLE>

start here
https://honda-tech.com/zerothread?id=510617
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Old Mar 3, 2004 | 02:59 PM
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Default Re: h23 vtec rod and piston very technical (confusion5)

Make sure the pin to rod clearance is right. It should usually be 0.0005" for floating pin. I know eagle makes two versions of their H22 rod. One has a small end sized for aftermarket pistons and one for the Honda H22A4/Type S pistons, which have a 0.001" smaller pin I think.
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Old Mar 3, 2004 | 06:18 PM
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i had a 2001 h22a4 block sitting around with nice window in it and i took the rod and piston out and i found that the piston has a floating pin(thanks for correcting me)like the type s so i slapped the usdm 2001 pistons on the crower rods and kewl they work
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