Besides one being OBD 1 and the other OBD 2

Thanks in advance

 

More aggressive cams

 

in which head? I have an H22a1 head for sale and I'm selling it to a guy that has a warped head on a H22a4 and I'm just trying to see if there are any major or minor obsticals in simply swapping the head.....never done a head swap so just searching for clarifacation...

thanks for the quick response

 

The a4 has more aggresive cams and has about 30 more Hp.

Heres a list of H motors and their lists

H23A1 DOHC NON VTEC UDSM 160 HP
H23A DOHC VTEC JDM 200 HP JDM
H22A JDM BASE MODEL 200 HP
H22A8 EDM BASE MODEL LUDE LIKE THE H22A4
H22A EURO R 217 HP JDM
H22A LUDE TYPE S 220 HP JDM
H22A7 EDM ACCORD TYPE R 212 HP
H22A4 195-200HP USDM LUDE
H22A1 USDM LUDE 190 HP

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Acidcrakker &raquo;</TD></TR><TR><TD CLASS="quote">The a4 has more aggresive cams and has about 30 more Hp.

Heres a list of H motors and their lists

H23A1 DOHC NON VTEC UDSM 160 HP
H23A DOHC VTEC JDM 200 HP JDM
H22A JDM BASE MODEL 200 HP
H22A8 EDM BASE MODEL LUDE LIKE THE H22A4
H22A EURO R 217 HP JDM
H22A LUDE TYPE S 220 HP JDM
H22A7 EDM ACCORD TYPE R 212 HP
H22A4 195-200HP USDM LUDE
H22A1 USDM LUDE 190 HP</TD></TR></TABLE>

You are wrong all over the place.

 

well, the list of motors and ~specs is about right

i don't see where you pulled that "30 more Hp" line from, if you looked at your own list, you'd see that

 

Opp my bad, I still seem to think the a4 has 220 hp and the a1 has 190 hp.<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xxmastermindxx &raquo;</TD></TR><TR><TD CLASS="quote">

i don't see where you pulled that "30 more Hp" line from, if you looked at your own list, you'd see that </TD></TR></TABLE>

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xxmastermindxx &raquo;</TD></TR><TR><TD CLASS="quote">well, the list of motors and ~specs is about right

i don't see where you pulled that "30 more Hp" line from, if you looked at your own list, you'd see that </TD></TR></TABLE>
yea

 

I do not believe there is any difference..
I just searched the Official Camshaft Thread and couldn't find H22A4 Cam Specs, but found the H22A1 Specs.. To late to search anymore for me.

I don't see the 30hp difference between an A1 and A4 either...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Acidcrakker &raquo;</TD></TR><TR><TD CLASS="quote">Opp my bad, I still seem to think the a4 has 220 hp and the a1 has 190 hp.</TD></TR></TABLE>
Dude....I know youre new but if youre not sure about something don't post it.


Heads are interchangeable....go for it!

Acidcrakker= -2%

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MLBZ521 &raquo;</TD></TR><TR><TD CLASS="quote">I don't see the 30hp difference between an A1 and A4 either... </TD></TR></TABLE>

Unless you're talking about the Type S motor, which has a slightly higher compression and more aggressive cams.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Finest &raquo;</TD></TR><TR><TD CLASS="quote">

Unless you're talking about the Type S motor, which has a slightly higher compression and more aggressive cams. </TD></TR></TABLE>
Its also NOt tagged an A4.
Higher compression
More agressive cams
Different intake and intake manifold
Better port work
Larger throttle body(?)

 

The one difference I can think of is the type of LMA used in each head
h22a1's and earlier model h22a4's use a cylinder type lma, h22a4s 1999+ use a spring type design which is much much cheaper to replace.
h22a1 lifter on left, 99+ h22a4 lifter on right

 

Also the Euro R head has matched intake ports and runners.

Here: one of my fave threads on it: https://honda-tech.com/zerothread?id=1995637

I really recommend it for visual reference.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam_J &raquo;</TD></TR><TR><TD CLASS="quote"> The one difference I can think of is the type of LMA used in each head
h22a1's and earlier model h22a4's use a cylinder type lma, h22a4s 1999+ use a spring type design which is much much cheaper to replace.
h22a1 lifter on left, 99+ h22a4 lifter on right </TD></TR></TABLE>
Nevermind. I found everything I need to know. I had just fallen out of bed, and was temporarily "search impaired." LOL!

Modified by Televator at 1:37 PM 10/31/2007


Modified by Televator at 1:38 PM 10/31/2007

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Finest &raquo;</TD></TR><TR><TD CLASS="quote">

Unless you're talking about the Type S motor, which has a slightly higher compression and more aggressive cams. </TD></TR></TABLE>

So if you put a type-s head on a H22A4 block, will the compression drop or will it stay the same? Basicly, is the higher compression do to the pistons or the legth of the head?

 

i know for certain the pistons are different, you can purchase type s pistons, but the head may also have something to do with it.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dominican luder &raquo;</TD></TR><TR><TD CLASS="quote">

So if you put a type-s head on a H22A4 block, will the compression drop or will it stay the same? Basicly, is the higher compression do to the pistons or the legth of the head?</TD></TR></TABLE>

Pistons.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam_J &raquo;</TD></TR><TR><TD CLASS="quote">The one difference I can think of is the type of LMA used in each head
h22a1's and earlier model h22a4's use a cylinder type lma, h22a4s 1999+ use a spring type design which is much much cheaper to replace.
h22a1 lifter on left, 99+ h22a4 lifter on right
</TD></TR></TABLE>


OHHHHHHHHHH!!!!!

He just said shut up! Well basically.

 

thanks for all the extra info guys..just wanted to know about the interchangeability? of swappign the head..I basically had an answer but wanted to make sure....


Drinks on me