Katech or AFR Heads
Thread Starter
Racer
Joined: Feb 2003
Posts: 262
Likes: 0
From: Lumberton TX
Katech or AFR Heads
Hi Guys,
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
Those are really big intake ports on the Katech heads, not sure how much it will affect power down low since that cam doesn't have its specifications listed and I am guessing is a high revving cam. With that cam, you might also want to consider the AFR 225's. I would contact Tony Mamo and get his input on the head selection with that cam. I'm sure he can provide some excellent input on which of the AFR heads would suit your needs.
Team Owner
Joined: Sep 2003
Posts: 43,084
Likes: 33
From: Raleigh / Rolesville NC
Originally Posted by jordanfd
Hi Guys,
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
Katechs heads work best in the stock rpm ranges of 4800 torque and 6300 HP. The Katechs would give you more power under the curve with a smaller cam designed for those heads. The AFRs and the G5x3 cam more power up top.
Team Owner
Joined: May 2006
Posts: 21,473
Likes: 356
From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
I would go with the AFR heads IMO! You'll get all the performance you desire out of this set and some! and retain your down low performance!
Thanks,Matt
Thanks,Matt
Former Vendor
Joined: May 2005
Posts: 3,749
Likes: 4
From: Valencia Ca
Originally Posted by jordanfd
Hi Guys,
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
I know AFR 205cc heads rock. They claim 300CFM at 600 lift.
Katech Stage III 245cc heads claim flow of 330CFM at 575 lift. These heads use hollow stem intake and sodium filled exhaust valves. With
LG's G5x3 cam, Best choice of head. Thanks
