93 Prelude, i need help iding the head
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Joined: Jun 2008
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From: North Las Vegas, nv, clark
93 Prelude, i need help iding the head
i bought a 93 prelude from a guy who said that engine was dead. so he rebuilt it and put a vtec head on it. i know it has an H23A block. and a P14A head. i can't find anything on a p14 head. so can someone help me out. i know 30 over and roller rockers. full header with 2 1/4 all the way out.
Re: 93 Prelude, i need help iding the head (Prelude93H23A)
i think the P14 head is the H23 head.. the P13 head is VTEC for sure though. im not sure about the P14 head but i figured it would make sense since a P14 is the same code as the H23 ECU
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From: Middlesboro, Ky, USA
Re: 93 Prelude, i need help iding the head (Prelude93H23A)
i think youve got a h22 v-tec head on your ride. seeing as non v-tec heads will not fit v-tec motors. Im not 100%, but i think p14 code is h22 vtec heads. but the h23a is a v-tec motor. so youve got a v-tec motor on your hands 
Honda-Tech Member
Joined: Jan 2004
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From: Further down the spiral, TX, usa
Re: 93 Prelude, i need help iding the head (Prelude93H23A)
Well, I know there are no roller rockers for an H23 unless they are one-off custom pieces.
If you have seen the rockers to know they are roller rockers, then you would have seen if the cams had a VTEC lobe or not right?
If you have seen the rockers to know they are roller rockers, then you would have seen if the cams had a VTEC lobe or not right?
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From: Further down the spiral, TX, usa
Re: 93 Prelude, i need help iding the head (captaindammit)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by captaindammit »</TD></TR><TR><TD CLASS="quote">i think youve got a h22 v-tec head on your ride. seeing as non v-tec heads will not fit v-tec motors. Im not 100%, but i think p14 code is h22 vtec heads. but the h23a is a v-tec motor. so youve got a v-tec motor on your hands </TD></TR></TABLE>
WTF are you talking about???? I'm pretty sure you could put an H23 non-VTEC head on an H22 block if you wanted.
</TD></TR></TABLE>WTF are you talking about???? I'm pretty sure you could put an H23 non-VTEC head on an H22 block if you wanted.
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Joined: May 2007
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From: Twin Cities, MN, USA
Re: 93 Prelude, i need help iding the head (captaindammit)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by captaindammit »</TD></TR><TR><TD CLASS="quote">seeing as non v-tec heads will not fit v-tec motors.</TD></TR></TABLE>
Wrong.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by captaindammit »</TD></TR><TR><TD CLASS="quote"> but i think p14 code is h22 vtec heads</TD></TR></TABLE>
P13 is the stamp found all over H22A/A1/A4 engines. P14 is the code found stamped all over H23A1 motors.. JDM H23A Vtec, iirc still has a P13 head. Some things on a H23 will have parts marked P13 (i.e. plenum), which are interchangeable with the h22.
this is the OP's scenario:
https://honda-tech.com/zerothread?id=1324196
Wrong.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by captaindammit »</TD></TR><TR><TD CLASS="quote"> but i think p14 code is h22 vtec heads</TD></TR></TABLE>
P13 is the stamp found all over H22A/A1/A4 engines. P14 is the code found stamped all over H23A1 motors.. JDM H23A Vtec, iirc still has a P13 head. Some things on a H23 will have parts marked P13 (i.e. plenum), which are interchangeable with the h22.
this is the OP's scenario:
https://honda-tech.com/zerothread?id=1324196
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