B18c2 with 1.6L twin cam head vtec

[MRB18C]

hey guys, i got a 95 civic running a b18c2 bottom end and the 1.6 twin cam head. im not sure weather to bolt on a 2.0L type R head to it and run the works or weather to keep the 1.6 head and work that? i have been told the 1.6 has more comp and better flow. is it a straight bolt on conversion? and will there be much increase in power? thanks.

[Perry]

hey guys, i got a 95 civic running a b18c2 bottom end and the 1.6 twin cam head. im not sure weather to bolt on a 2.0L type R head to it and run the works or weather to keep the 1.6 head and work that? i have been told the 1.6 has more comp and better flow. is it a straight bolt on conversion? and will there be much increase in power? thanks.

U didnt happen to buy a red eg did u? anyways what u got is poors men type R setup which is very good already, and there is not a such thing as 2.0 typeR head for a b series anyways

Try search theres alot of topics discussed about this

[zco]

therse been a big discussion about this topic already. try and search and you can find lots of info before asking

what perry said is, you have apoor man's type R/ which is true. LOL
Compression is KNOWN to be higher when using a 1.6L head.
There have also been a few articles that have proved this incorrect.

there is a 2.0L type R head but it doesnt fit your motor.

[simonnowis]

isnt there a b20. yeh i heard the 1.6L head has better compression then the b18c, but wouldnt a b16a head be better off then the head from an eg si? im alittle confused about this to.

[destrukshn]

b20 would be the block.

[ZeForce]

isnt there a b20. yeh i heard the 1.6L head has better compression then the b18c, but wouldnt a b16a head be better off then the head from an eg si? im alittle confused about this to.

And the B18c head has "better" compression than the B16a head

[zco]

And the B18c head has "better" compression than the B16a head
exactly what i stated before. many different opinions. apparently, b16a has better flor.. but BUT there are articles that proves b18c head is better.

to clear things up, here is a little bit of information in noob terms. lol

a motor has 2 main components. a Head(top half) , and Block(bottom half). You can take one block and put head from another motor as long as its from the same motor family. ie: Kfamily, B family, or D family

ie: you can have a B18c block and head. (standard)
or you can have a B18 block with B16 head.
B20 blocks usually go with B16a head.. The head is swapped because the B16/B18 has Vtec. (B20 head doesnt have Vtec)

same with K series motors. K20A, or K24A
you can have a K24A with a K20A head..

theres tonnes more technical information and all you gotta do is READ and SEARCH. hope that helps,

[yourfather]

................ rather than just giving the dude stupid answers.

lets compare say, the p72 B18C head to that of the B16A

http://www.team-integra.net/misc/images/mods/michaeldelaney/b16vsgsrheadstock.jpg
OK, so as you can see, the amount of airflow difference is minimal (and thats a p72 B18C2 head vs a pr3 B16 head) But you gotta wonder if the heads are tested on a flowbench.

check this site out to give you real specifics..

if you just throw a B16 head on a B18C you'll lose compression.

http://www.zealautowerks.com/

[MRB18C]

ye thanx guys

[fatboyz39]

wow nice comparison. So what do you have now? b16a head on b18c2 bottom end? I've heard compression is the same, not any higher. The type R head and b16a head physically look the same, its only the internals that different.

[MRB18C]

yer k thanks bro

[marabaan]

U didnt happen to buy a red eg did u? anyways what u got is poors men type R setup which is very good already, and there is not a such thing as 2.0 typeR head for a b series anyways

Try search theres alot of topics discussed about this


going by the number plate i think i might know this car aswell.
red eg with 17'' rice rims with a clean paint job....

[BlitZ]

1.8 r and 1.6 ek4 use the same head casting. money beter spent improving the b16a head

from what i have read
Ｔｈｅ b18c2 vtir heads have a better downdraft and it more ideal for higher comp. I doubt u feeel anything at stock or semi stock levels.
use the b20 head and you would have a crv haha

[MRB18C]

hey also would anyone know the difference in the b16a and the ba18c2 head. by looking at them both what is difference?. i have herd that they both look the same only difference is that the b16a head is closed chamber? is there anything else to keep an eye out for? thanks:thumbsup:

[OB]

hey also would anyone know the difference in the b16a and the ba18c2 head. by looking at them both what is difference?. i have herd that they both look the same only difference is that the b16a head is closed chamber? is there anything else to keep an eye out for? thanks:thumbsup:

one has pr3 marked on it, the other p72, above the exhaust ports..

[yourfather]

one has pr3 marked on it, the other p72, above the exhaust ports..

lolol

[EG5]

Also different intake manifold design between pr3 head and p72 head

[MRB18C]

beautiful. thanx guys

[fishman]

For maxium power out of your car i suggest you put on a v6 head out of the new commodores. It has alloytech and will give you heaps of torque from the compacity increase.

[ZeForce]

hey also would anyone know the difference in the b16a and the ba18c2 head. by looking at them both what is difference?. i have herd that they both look the same only difference is that the b16a head is closed chamber? is there anything else to keep an eye out for? thanks:thumbsup:

The combustion chamber designs are probably the most noticable difference between the two heads. The P72 (B18c) head has much larger quench pads so the chamber isnt a full circle compared to the PR3 (B16a)

PR3 (B16a/ITR):
http://www.theoldone.com/articles/b16a_head/6%20B-16%20fin.jpg

P72 (B18c):
http://images.sportcompactcarweb.com/tech/0009_sccsuck_08_z.jpg

[yourfather]

hmm looks pretty cool.

[eg92b16a]

So is it better to have a round chamber or an oval one??

[ZeForce]

So is it better to have a round chamber or an oval one??

The larger quench area on the P72 chamber prevents detonation and increases combustion efficiency, the smaller chamber also gives a higher compression ratio

[MRB18C]

so the pr3 head should have more comp then the p72?

[nigs]

^^
The other way around dude.

[tinkerbell]

^^
The other way around dude.

i tis hard to tell that from those pictures posted?