danhinton

I have a boosted AP2 fully built bottom end with inline pro turbo set up. I already have done everythin need for a fully built engine other then head and want some ideas of what you guys have used previously and made good RELAIBLE numbers. Im not in it to reach 1000hp, im currently at 450whp 3xxwtq. Ive ran previously on B series OMNI and springs and retainers with skunk2 cams with a full port and polish... Was curious what works well with the F22 head with boost.... thanks for the input ahead of time guys.

passmans2kny

ferrera valves, super tech springs and retainers is a popular combo

passmans2kny

i gotta agree with real street, if u can afford it, go with everything ferrea

Sideways

I flowed tested my 1mm oversized Ferrea vs 1mm oversized Supertech valves on the exhaust side. The Ferrea flowed better by a little over 1 percent. This was with a modified head.

Also, look into Inconel for your exhaust valves.

redboost10

dont just look into the inconel exhaust valves....GET the inconel exhaust valves

who do you plan to send the head to?

ScorpioMk

Supertech springs/retainers Ferrea comp plus valves here. Same combo most of my friends run in b/d/h motors. None of them have dropped a valve, one friend bent a few with a bad shift and just replaced the bent ones.

siadam

This. Purchased from him, would buy again.


Sent from my iPhone 4 using Tapatalk.

danhinton

I wanted to go with Ferrea but I read that they needed to be Nitrate coated? bc of the tempeture that it will reach, and I didnt find any from them that were coated... Just what I heard.... And with supertech ive seen the valves break so i dont want to go with them...

O and someone asked who i was going to send the head to, i dont know of any good machine shops in San Diego area, i was thinking of keeping stock flow but Upgrading the whole head springs, retainers, cams etc...

Thanks again for all your guy's imput man!

s2000Junky

For the cost, and your power range. Stock.

I mean the head flows enough stock to make 800+hp. Are you looking to rev it past 9-9.5k rpm? if so, then get some appropriately rated stiffer valve springs and call it good.

DFWs2k

Dont waste money on a port and polish. Completely unnecessary.