I have JDM H22 92. I need pistons with 11.5 Compresion. For me it is not posible sleved my engine block, no tehnology in our country - Eastern Europe, Latvia.

What kind of company pistons I can buy. I have JePistons. But when i buy them I did not informed about that fact of sleving. That's why I'm stuck now and nobody can say enything seriosly. Can throw this JePistons in trash can because nobody in our country do not need them now.

 

If you want to be safe I would just use 11:1 Type-s pistons and mill the head to get to 11.5

 

Thank's

We find one company in Russia which do the sleving job. That cost 500$.

It is posible to buy pistons from Type-R Accord which is with 11.0 compr. Not posible the Type-S Prelude pistons because not for Europe.

I have two ways: Sleve the block or sell the Jepistons and buy Type-R Accord pistons.

What can I do?

 

There is no specs who can give advice?

 

its really up to you.

do you want to run OEM replacement or do you feel better running a forged piston on a sleeved block? personally i would sleeve it and use the JE's. but that is because i am not the biggest fan of OEM replacement. i would feel better running N20 or higher compression on a sleeved "bulletproofed" block. but that is JMHO.

 

CP has some that are standard bore and are very nice

 

What is CP?

 

http://www.cppistons.com/

want more info and some nice pics look here

http://ef-1.zeroforum.com/zerothread?id=124

 

You know why H22 must be seved before instaling forget pistons.

Because no metal (0.0003 mm) on forget pistons. Like OEM pistons.
Aluminum forget pistons and aluminium cylinder block h22 wals can't work together. Two same materials can be welded together in seconds of work.

 

Try contact Vimota Tuning in Kaunus/Lithuania. Those guys are freaks and can do almost everything to your car. Especially they are fond of turboing cars...
I'm sure they can help you.
pentaq

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">Thank's

We find one company in Russia which do the sleving job. That cost 500$.

It is posible to buy pistons from Type-R Accord which is with 11.0 compr. Not posible the Type-S Prelude pistons because not for Europe.

I have two ways: Sleve the block or sell the Jepistons and buy Type-R Accord pistons.

What can I do?
</TD></TR></TABLE>

Type-S pistons and Type-R Accord Pistons are the exact same thing, they are both stamped P5P, same piston.

If your mileage is low I would rehone the block and buy standard bore Type-R pistons.

If the mileage is higher I would buy the oversize type-R pistons (87.25mm) and have the block bored out to 87.25mm making sure that you size each piston for each cylinder. Don't just bore 87.25 across the board, measure each piston clearance and bore the specific cylinder for it.

Either way I wouldn't sleeve if I didn't have to.

Also, you have 92 rods, you will have to have the rod ends re-bushed to accept the Type-R floating wrist pin.

 

That mean my JePiston kit for sale by 350$.

 

The mesure on cylinder wals flow betwen 87.01 - 87.025 - 87. 03 mm

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">The mesure on cylinder wals flow betwen 87.01 - 87.025 - 87. 03 mm
</TD></TR></TABLE>

I'm not exactly sure what you mean, is this the cylinder clearances right now?

H22A spec:

Cylinder size A 87.010-87.020 Service limit 87.070
Cylinder size B 87.000-87.010 Service limit 87.070

did you measure at a few points within the cylinder?

It looks like you are still within the service limit, but your piston to wall clearances are larger than stock in all but one case? you might be able to get away with honing some of the clyinders and using A pistons where necessary.

A piston set diameter (no letter): 86-990-87.003
B piston set diameter : 86.980 - 86.993

piston to cylinder clearance in new H22as: .007 - .030 service limit .040

So max clyinder bore after re-hone to retain stock clearance
for a: 87.020 - 87.033
for b: 87.010 - 87.023

so for your 87.01 use a regular size b pistons
for anything 87.25 and over use size A standard pistons


If 87.03 is your max you don't need to bore out, just buy to the correct pistons and do a proper honing job.

Anyone know how much material a hone takes off?

 

read this about honing https://honda-tech.com/zerothread?id=627472

Pay attention to what hotwheelz said.

 

Yes, it is my cylinder wals right now.

Thank's, wery good info.
I think, I will be here like profesor ( I mean in Latvia) because the best mechanic here do not no anything about that engine. I found one local company, which do the sleving job. Their are working with bike engines too. A lot of bikes have nikasil on cylinder wals. So tomorow i will show them my block and pistons.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">Yes, it is my cylinder wals right now.

Thank's, wery good info.
I think, I will be here like profesor ( I mean in Latvia) because the best mechanic here do not no anything about that engine. I found one local company, which do the sleving job. Their are working with bike engines too. A lot of bikes have nikasil on cylinder wals. So tomorow i will show them my block and pistons. </TD></TR></TABLE>

Just remember FRM is NOT Nikasil

 

OK. But why JePistons need that fuc.... slewing?

I'm low budget tuner, ewery "****" that hapend is Big money losing for me.

In best way, I must to sell those one, but who will need them. From other point sleved block I can use in future for turbo.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">OK. But why JePistons need that fuc.... slewing?
</TD></TR></TABLE>

Because the JE pistons are forged and work with a steel bore.

The FRM bore only works with Honda H22A pistons...not sure what's on them but it is not easily replicated.

B-series don't have this problem because they don't have FRM sleeves, just steel bores.

 

Today I write big leter to Crower. So waiting for answer.

There is some question from local sleving company to piston manufactors. If I get this unswers ewery think must be OK.

I think I will do the sleving, because no money for new pistons.

Any way I'm not so crazy to spend all my money for that prject.