what's the difference between b18c1 head and b18c5 head

[EXTREME REVVING]

does anyone knows ?? or they r the same!!! and what is the difference if they r?? peace... EXTREME REVVING CAR CLUB NYC...LI.:

[ALL C5]

You shold do a search on this...

They are two completely different heads.

B18c1-
-smaller lobed cams
-Valve springs not as stiff
-Smaller intake manifold/dual butterfly manifold
-combustion chambers are smaller

B18c5-
-bigger lobed cams
-stiffer valve springs
-bigger intake manifold/single butterfly
-bigger combustion chambers
-port and polish from acura

[B20BbenN]

TypeR have bigger valve...
The bolt configuration on the intake manifold are not the same!

[yeer]

they also have more aggresive cams............

[Snoopy]

the b18c5 head is basically a b16 head with a p&p job and upgraded valvetrain.