H22a Rebuild Head

[JLPRELUDE360]

I WANT TO REBUILD MY H22A HEAD, BUT I WOULD LIKE TO KNOW IF THAT WILL INCREASE MY, ENGINE COMPRESSION RATIO. IF IT DOES, ABOUT HOW MUCH WILL IT INCREASE? I AM THINKING OF UPGRADING MY VALVESPRINGS, RETAINERS, VALVES, CAMSHAFTS, AND CAMGEARS WITH SKUNK 2 PRODUCTS. I HAVE CURRENTLY INSTALLED THE SKUNK 2 INTAKE MANIFOLD AND THE THROTTLE BODY. AND I ALSO HAVE SOME OTHER BASIC BOLT-ON ACCESSORIES. IF I DO ALL THIS, ABOUT HOW MUCH HORSEPOWER WILL MY, 98 LUDE HAVE?

[Gohan Ryu]

Originally Posted by JLPRELUDE360

I AM THINKING OF UPGRADING MY VALVESPRINGS, RETAINERS, VALVES, CAMSHAFTS, AND CAMGEARS WITH SKUNK 2 PRODUCTS.

Of the items you mention above only the valves will increase compression - and that's only if you get flat bottomed valves. Pistons are the best way to increase compression ratio. You can also increase slightly with a thin head gasket.

It's hard to guess how much hp you will have - too many variables. On average I'd say you'd gain ~20 hp if you've already upgraded your exhaust and you get a good ECU and tune.