F22a Flat Face Valves?

[trah]

Are there any Flat Face Valves available to the F22ax. I kno KMS makes some but there dished. Any other company makes them...? thanks in advance.

[boostdelinquent]

Try Ferrea, Supertech, and see what Bisi has.

[trah]

Try Ferrea, Supertech, and see what Bisi has.

none lol already checked those. Supertech has some but its dished. Bisi I don't think he has valves for sale. Ferrea is the same as supertech as for options...

[93F22A6]

Newb question, what does it matter if they are dished or flat faced. Or what would the difference. Basicallt the pro vs. cons.

[wed3k]

Newb question, what does it matter if they are dished or flat faced. Or what would the difference. Basicallt the pro vs. cons.

raise compression without actually closing the piston to vlave clearance.

[trah]

raise compression without actually closing the piston to vlave clearance.

yeah with flat face valves we would gain about .5 compression

[wed3k]

yeah with flat face valves we would gain about .5 compression

and mill the head .030 and gain another .5, you'll be up to 10:1 compression without even touching the pistons.

[93F22A6]

Wow didn't know it would raise it that much, I figured it wouldn't even be half that. Then couldn't also mill the block 30 thou to get another .5?

[bruno8747]

Wow didn't know it would raise it that much, I figured it wouldn't even be half that. Then couldn't also mill the block 30 thou to get another .5?

No at that point you might be having piston to head clearance issues.

As far as flat faced valves for the f22, There are no options besides custom.

The valves from the f22b2 wont fit, the exhaust is the same as the f22a but the intake set are smaller.

[trah]

hmmm are all the valves from h22/h23/f22b/f22a same length? if so I'll get a set of h22 flat face valves and get some head work done.

[bruno8747]

hmmm are all the valves from h22/h23/f22b/f22a same length? if so I'll get a set of h22 flat face valves and get some head work done.

They are completely different. The stem diameter of the h22 and h23 are different, The stem is larger. The length is also short compared to the f22a.

The f22a has its own specs with valves. So are all the engines you listed. See what KMS can come up with as far as custom goes.

[trah]

They are completely different. The stem diameter of the h22 and h23 are different, The stem is larger. The length is also short compared to the f22a.

The f22a has its own specs with valves. So are all the engines you listed. See what KMS can come up with as far as custom goes.

thanks bro. I'll get with kms since its more reasonable there. THe f22 valves that they have it that for the f20c/f22c or our motors?

[wed3k]

has to be f22a.

[bruno8747]

thanks bro. I'll get with kms since its more reasonable there. THe f22 valves that they have it that for the f20c/f22c or our motors?

They have both, But they were the only people that had stainless f22a valves that I know of atleast.

Some people are tempted to get the valve train kit from them but DON'T get that kit. Just the valves and get other springs.

[wed3k]

the guides have fitment issues. bruno kknows all about that.