I been had my 99 honda civic SI for a while now and i been thinking about removed my old block and replace them with a b18c1 block but keep the b16a2 head what is the power different? with b16a2 block and a b18c1 block? later on i want to put a turbo on them and i want to have like over 20 psi of boots should i keep my b16a2 block just change the piston/rod or replace them with b18c1 block will it be a lot faster then the b16a2 block or is about the same? please help me save time and money!

 

I really wanted to know the same thing. My car is getting some miles on it and I wanted to know what I needed in order to stick my b16a2 head onto a b18c1 block.

 

Your post is hard as hell to read. But I think what you want to know is if a b18 block wil have more power than a b16? If so then yes. b18 has more displacement. and makes more power to start with.

 

yup the b18 will make way more power

 

this is not always true depends on the build and tune if your looking to do it cheap keep the b16 block just replace oil pump, water pump, timing belt, ect

 

a b18 block will not make way more power... if ur going all motor it will make some more power but not a lot. but if your going turbo i dont see the need to change the blocks out especially if your shooting for high boost the horsepower numbers rnt going to be to dif. from a b16 to b18 bottom.

 

the answer for that question is yes and no
GsR block has a lower dome piston vs a higher dome p30 pistons in the b16a2
Now, GsR head has a smaller higher compression combustion chamber vs b16
lower compression. in other words you will lower the compression on that GsR block, and will probably loose power if compared to its original set up, that is b18c1
Now if compare to b16a1 my guess will be yes you will make more torque and may be horsepower.
As turbo, I think it will be ok low dome pistons with a better flow b16 head
I can see the math!!!!
not a good idea for all motor
sleeve the block and use better rods and a good tuning etc.etc.etc.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BucCivicSi99 &raquo;</TD></TR><TR><TD CLASS="quote">I been had my 99 honda civic SI for a while now and i been thinking about removed my old block and replace them with a b18c1 block but keep the b16a2 head what is the power different? with b16a2 block and a b18c1 block? later on i want to put a turbo on them and i want to have like over 20 psi of boots should i keep my b16a2 block just change the piston/rod or replace them with b18c1 block will it be a lot faster then the b16a2 block or is about the same? please help me save time and money!</TD></TR></TABLE>

"I been had"?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by evildc2 &raquo;</TD></TR><TR><TD CLASS="quote">
the answer for that question is yes and no
GsR block has a lower dome piston vs a higher dome p30 pistons in the b16a2
Now, GsR head has a smaller higher compression combustion chamber vs b16
lower compression. in other words you will lower the compression on that GsR block, and will probably loose power if compared to its original set up, that is b18c1
Now if compare to b16a1 my guess will be yes you will make more torque and may be horsepower.
As turbo, I think it will be ok low dome pistons with a better flow b16 head
I can see the math!!!!
not a good idea for all motor
sleeve the block and use better rods and a good tuning etc.etc.etc. </TD></TR></TABLE>

agreed... good answer and yes what ever you do make sure and build that bottom end.

 

thank guy ...i will keep my old block(b16a2) just change the pistons,rings and rods if i add turbo on top of that will i make maybe 400 hp?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BucCivicSi99 &raquo;</TD></TR><TR><TD CLASS="quote">thank guy ...i will keep my old block(b16a2) just change the pistons,rings and rods if i add turbo on top of that will i make maybe 400 hp?</TD></TR></TABLE>

Will you make 200hp or will you make 600hp? School yourself.

 

all depends on the tune.turbo,boost.

 

 

learn to spell and type

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by silverbullet9626 &raquo;</TD></TR><TR><TD CLASS="quote">learn to spell and type</TD></TR></TABLE>

Meany

 

No seriously though I understand that you don't have to be a scholar to build a car, but a guy who wants to build a 400whp boosted set-up doesn't have a basic grasp of grammar/English to even compose coherent questions.

Anyways someone already touched on a few key points:

B16A head on a GS-R block will yield slightly more power, much more torque, but it still won't run as well as your basic stock GS-R engine due to the compression loss since the B16A head has larger combustion chambers than a stock GS-R head.

If you are REALLY planning on a 400whp boost build (like every other new members "is") then you must be baller enough to simply buy a completely separate engine and build it while you continue driving your car as-is. I'd buy another engine altogether and build it for boost, then drop it in once you've got all the turbo pieces together.

 

if you aint got nothing good to say dont say **** FOOL!

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BucCivicSi99 &raquo;</TD></TR><TR><TD CLASS="quote">if you aint got nothing good to say dont say **** FOOL! </TD></TR></TABLE>

LOL. You're funny.

H-T makes me smile

 

the b18 has 12.5% more displacement than the b16. so its possible to have that much more power. you see that with the stock motors: b16a2=160hp, b18c1=180hp. But mister civic buc guy, thats just bees mys reasonings.

oh ya's, with all that there horsepower, you can open them there lambo doors and get some crazy downforce

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by povs9 &raquo;</TD></TR><TR><TD CLASS="quote">the b18 has 12.5% more displacement than the b16. so its possible to have that much more power. you see that with the stock motors: b16a2=160hp, b18c1=180hp. But mister civic buc guy, thats just bees mys reasonings.

oh ya's, with all that there horsepower, you can open them there lambo doors and get some crazy downforce</TD></TR></TABLE>

I could have sworn that the B18C1 has 170 HP, (it does, I'm just being an ******* just to correct your wrong ) Besides that fact, from what I understand, an ITR engine is a B18C block, a B16A head (PR3), and some trick engine internals. To get the full potential from the nasty combination of B16A head/B18C block, you have to put good valvetrain components and decent engine internals, (pistons, rings, rods, etc.) I plan on doing this build over the winter so I will post up everything from the pre-build dyno on I/H/E to the end result. Watch for the build coming soon...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDM EJ2 &raquo;</TD></TR><TR><TD CLASS="quote">
Besides that fact, from what I understand, an ITR engine is a B18C block, a B16A head (PR3), and some trick engine internals. </TD></TR></TABLE>

Not quite...

 

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

Not quite...</TD></TR></TABLE>

Elaborate...

 

Last time I looked at an ITR engine, the block was stamped with B18C5 and the head was stamped PR3..

 

here som pix of my Car ....i show the engine later
&lt;p style='text-align:left'&gt;[img]'http://a492.ac-images.myspacecdn.com/images01/17/l_5810e42f455cd90c9d17e2def869732b.jpg'[/img]&lt;/p&gt;
&lt;p style='text-align:left'&gt;[img]'http://a11.ac-images.myspacecdn.com/images01/116/l_e5e3991d6533b14941ef2f7c0748ceaa.jpg'[/img]&lt;/p&gt;