I have tried extensively to make 200 whp with my stock bottom end '00 JDM ITR motor.

Made 191 with Skunk2 stage 1 cams.
Made 188 with BC 3+ cams.
Made 189 with Rocket M22 cams.

I have tried all of the boltons possible (velocity stack intake, SMSP header, 2.5" exhaust, overbored TB, AEBS IM, RC 310, CM flywheel, DH crank pulley, crank scraper, toda valvesprings, SRR cam gears, hondata s200, rocket spark plugs, etc). At this point, I am ready to pull the head off of the motor and build the bottom end.

I plan to stick with my rocket m22 cams but I need more compression. I figure it would be nice to make the motor a 2.0 litre and bump the compression at the same time. What do I need to make the motor a 2.0 litre that is reliable. I am willing to spend a few extra bucks to do it the right way.

 

shave the head .030 omnipower flat faced valves and send your head to rocket for a fresh performance valvejob. Your going to have to sleve the motor and run forged pistons and aftermarket rods if you want to go 2l. 200whp is easily attainable with the 1.8 though

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PURPLETERROR aka BIGMATT &raquo;</TD></TR><TR><TD CLASS="quote">shave the head .030 omnipower flat faced valves and send your head to rocket for a fresh performance valvejob. Your going to have to sleve the motor and run forged pistons and aftermarket rods if you want to go 2l. 200whp is easily attainable with the 1.8 though</TD></TR></TABLE>

my initial goal was to try and make 200 whp without pulling the head off. The head has not been off to this point. If I am going to pull the head off an go for more compression, I would rather do it with pistons than bigger valves and milled head. If I am replacing the pistons, why not make it a 2.0 litre?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by red civic standard &raquo;</TD></TR><TR><TD CLASS="quote">If I am replacing the pistons, why not make it a 2.0 litre?</TD></TR></TABLE>Sleeving is not cheap-but if you have the $$, go for it

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b19coupe &raquo;</TD></TR><TR><TD CLASS="quote">Sleeving is not cheap-but if you have the $$, go for it </TD></TR></TABLE>

Sleeving $600-700
Forged pistons and rods $500-600
Machine shop crap $100
Bearings $100
Headgasket $50

Does this sound like a fair cost analysis? Anything I missed? Would a sleeved 2.0 liter be as reliable as the stock 1.8?:

 

2.0L is the way to go

 

sleeve it

I would do headwork before i sleeved it . or buy a B20 block, and sell your ITR block

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by red civic standard &raquo;</TD></TR><TR><TD CLASS="quote">Does this sound like a fair cost analysis?</TD></TR></TABLE>
You are underestimating by a bit. More like double -unless you get hooked up.

 

are you just trying to stop at 200whp? or you trying to go more or a lot more... because.. just by getting some head work done and milling the a bit, you should be over 200 easily... should be a lot cheaper.. but if you gonna go all out then you're gonna be spending lots more then what you put up there..... on the bright side you'll be making 215 and up...

 

Hey whatsup man. I don't know if you remember me from Nopi st. louis. We talked for a while. And i heard you took the sleeper class...nice

Anyway, man you have done everything, even the crank scraper. I can see the desire to get some more displacement. Lately i have been thinking of a ported IM or a custom made one. I know you run the AEBS right, and its unported? Have you thought about a different IM setup. B19 coupe is making some super-nuts power with the ported ITR IM. I have been thinking of switching to that too. Honestly i don't think it'd be worth the money for you to go 2.0, you know the engine you have is going good right now, and its gonna be a lot of downtime and at least $2000. You could run a thinner head gasket for some extra compression, something like that would be affordable. Its quite a predicament isn't it.

 

be ready to spend $2200-$2700 depending who you go to!

 

Get your block sleeved and bored to 85mm, get yourself some 85mm pistons like CP Pistons. You got yourself a 2.0L block.

Additionally get the crank and rods balanced, shotpeen the rods, arp rod bolts, arp headstuds, pnp head. This would be recommended to get most of of the setup.

Similar to what I am planning on building in the future.

 

I say build a separate block.

That way, if you need to go back to your old itr motor for whatever reason - it's just a swap away.....

If I were you, I'd look for headwork and different IM or possibly itb's to get me there.

ctr pistons in a 1.8 usually puts people over the 200whp mark without any sacrifice in reliability.

Once you go with sleeving, you kinda open up another can of worms.....

 

Dude if you want 200 you can do it on a 1.8 with oem pistons like P30's or PCT's...

 

Luke, like others have said/suggested, you likely don't need more displacement to break 200whp. the key is in the head. a good valvejob and milling to put you ~12:1 compression should get you there, and for &lt;$700. if you want to go a bit wilder, you could use OS valves to help move yet more air, but then more extensive port and chamber work must be done, and more $ spent.