What makes the horsepower difference between the prelude type-s and the h22a4 type-sh? Is it just the pistons? Or is there a difference in the lobes?
Or anything else. Thx.

 

it bumps um the cr to 11.1

 

So could I just get type-s pistons, or do I have to upgrade the head?

 

u can just get the pistons....what would u want too upgrade in the head?cams?

 

I just wanted to know if I need to upgrade the head, or if anyone recomends it.

 

not if all your changing is the pistons...

 

Ok, so all siad and done. Is the Horsepower noticable? And if you know, About how much? Thx man, and sorry for all the Q's.

 

not sure how much hp gain exactly...but as a suggestion, why not get the rocket motorsports regrinds for the h22 along with there valvetrain? only 350 for the cams new and they make more than type S cams..like 8whp more or so..

 

Do you or anyone you know have this setup? And if so, were they happy with it?

 

Also, I can't find there website. I searched google and askjeeves.

 

http://www.m24x.com or PM Rocket

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97L-esVeeTeg &raquo;</TD></TR><TR><TD CLASS="quote">http://www.m24x.com or PM Rocket</TD></TR></TABLE>

Thx. I found a guy on here that is givin me a deal.<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DarkKnight1 &raquo;</TD></TR><TR><TD CLASS="quote">The type-s motor ahas a single runner IM and upgraded valvetrain (cams, springs, retainers) in addition to the pistons. </TD></TR></TABLE>

So, would I need to get a different IM?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DarkKnight1 &raquo;</TD></TR><TR><TD CLASS="quote">

It depends on your goals. On a stock h22a motor the IM has shown to gain 3-4whp. I'm sure on a cammed motor it would be at least 5-6whp.</TD></TR></TABLE>

I will definatley take this into consideration. Any experience with any good IM's out there?

 

the difference in the type s and type sh is not only the pistons, but the cams, and intake manifold...if im not mistaken the valve springs and retainers are the same??
The throttle body on the type s is 62 mm i think and the other one is like 56mm

 

I love this sort of stuff. There is a lot of mis-information here in this thread, from IM runners, springs, retainers and TBs and it is funny how this happens all the time. I had to go through 50 archived threads on this exact type of crap to try to separate all the BS from fact.

Your (thread starter's) best bet is to read everything and make your own assumptions or search Honda.com's press releases for facts. You might get one or two people that know what is going on and the rest are here to speculate. Pretty sad.

Pirate

 

pirate that is the most ridiculous post i have ever read...u supplied the thread started with no relevant information. If everyone is so wrong, then correct them. Your post is as pointless as a 3rd ********.

 

Tell me, how many times I am supposed to correct people after they post incorrect information?

It gets very tiresome. So the useful information I posted is that there is information posted in this thread that is wrong and should be considered suspect; that the thread starter should ask for information, get it, analyze it, then go and look for FACTUAL information distributed by Honda Motor Co. that coroborates the information that users here posted.

Pirate

 

I have these used parts for sale.
1. JDM H22A Type-S Pistons with con rod.(New Ring set optional)
2. JDM H22A Type-S Valves and double valve springs and retainers

Must pick up from Fremont CA.

 

well one thing I know is wrong is the intake manifold, its still the regular dual runner. the euro-r is what gets the single runner. Also I know the euro-r actually has a different head altogether, and Im not positive but I assume the type-s does as well.

 

This is the differences actually.

http://www.accordwagonclub.com/prelude_type_s.htm

 

see i was right about the throttle body...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h22d dc2 &raquo;</TD></TR><TR><TD CLASS="quote">see i was right about the throttle body...</TD></TR></TABLE>
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h22d dc2 &raquo;</TD></TR><TR><TD CLASS="quote">The throttle body on the type s is 62 mm i think and the other one is like 56mm</TD></TR></TABLE>

Half right... *shrug*

Pirate

 

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


Half right... *shrug*

Pirate</TD></TR></TABLE>

so basically you've posted three times now, adding nothing to the thread but whining about how everyone is wrong?

That is the way to straighten things out.

 

DarkKnight1, I will post again just for you. I have spent plenty of time cleaning up Type-S threads in the Prelude forum which BTW, is where you can find the FAQ/essential links sticky. Most of the info for the Type-S can be found there. It is not my crusade to educate everyone on the many aspects of somewhat rare Prelude engines.

I told Sixgundone to beware about info posted here and to make his own opinions on what is correct, and where to find even more info on H-series engines from EDM, JDM, USDM, etc. So what do you want me to do? Spell everything out for everyone? It inevitably turns into a debate or worse, insults.

Also, this topic has been covered many, many, times. So, would it have been better if I linked to the search button and call him a "n00b" in true Honda-Tech fashion? Would you have preferred that I had not said anything and let Sixgundone run off posting more mis-information?

Here, something else that is not listed above: JDM 5th gen preludes came in two 220ps versions. There was the heralded "Prelude Type-S" and the "Prelude S-Spec". The "Type-S" that everyone refers to has ATTS making the swap near useless to non-Prelude SH chassis here in the US. The "S-Spec" comes with a standard Limited Slip Differential instead making it a far better swap candidate. So there, I posted useful information that is available in 50 different threads, so get off my back.

I responded to h22d dc2's posts becasue he insulted me then tried to earn a cookie when he got the TB size for the Type-S right depite his incorrect information regarding standard TB size. I never criticized him so his insults are inappropriate.

And you have helped far less than I, DarkKnight1. Type-S and S-Spec Prelude engines never came with a single runner IM. Do your research, and please edit your post above to correct yourself and stop criticising me for trying to warn others.

Pirate

 

I criticized you for not helping and posting anyways. At least I posted what I was told was correct information. Not everyone has the time/resources to go straight to honda for everything. If I made a mistake, then I'm sorry. It is human.