(my own included) 
G-Force 205CC AFR Head Flow #'s Inside!
Thread Starter
TECH Junkie
Joined: Aug 2002
Posts: 3,726
Likes: 0
From: Fort Collins, CO
G-Force 205CC AFR Head Flow #'s Inside! These are the cylinder heads going on our shop car this next week. We bought them as rough castings (No CNC Porting from AFR) from AFR a couple of weeks ago and turned them over to GTP to have them worked over. After about a week we got the heads back and these are the results!
Head Info:
2.02/1.60 Valves
Flowed on a stock bore
Lift .200 .300 .400 .500 .550 .600 .650 .700
Intake 139 193 245 293 310 320 322 325
Exhaust 110 156 199 217 223 227 229 230
Those numbers seem to be pretty good considering that was the first pair GTP has seen and hasn't had a chance to experiement with them. These heads were flowed on both an SF-600 and an SF-1020. The numbers for both flowbenches were exactly the same.
These heads have the smallest ports of any Stage 2 LSX head I've seen. The velocity numbers have got to be super high. These heads are going to make a lot of torque.
We're going to have the shop car up and running the next week, so we'll post back with the dyno numbers, but we're looking for an AWESOME torque number, and horsepower in the 455/460 range on a stock shortblock. I doubt we'll post the nitrous numbers though.
If you're interested in a set of these heads, shoot me or Mike TexaSS a PM and we'll get you taken care of!
Head Info:
2.02/1.60 Valves
Flowed on a stock bore
Lift .200 .300 .400 .500 .550 .600 .650 .700
Intake 139 193 245 293 310 320 322 325
Exhaust 110 156 199 217 223 227 229 230
Those numbers seem to be pretty good considering that was the first pair GTP has seen and hasn't had a chance to experiement with them. These heads were flowed on both an SF-600 and an SF-1020. The numbers for both flowbenches were exactly the same.
These heads have the smallest ports of any Stage 2 LSX head I've seen. The velocity numbers have got to be super high. These heads are going to make a lot of torque.
We're going to have the shop car up and running the next week, so we'll post back with the dyno numbers, but we're looking for an AWESOME torque number, and horsepower in the 455/460 range on a stock shortblock. I doubt we'll post the nitrous numbers though.
If you're interested in a set of these heads, shoot me or Mike TexaSS a PM and we'll get you taken care of!
Last edited by KingCrapBox; Aug 11, 2004 at 01:11 PM.
Thread Starter
TECH Junkie
Joined: Aug 2002
Posts: 3,726
Likes: 0
From: Fort Collins, CO
Originally Posted by 99ssleeper
I thought AFRs arent supposed to be ported?
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Thread Starter
TECH Junkie
Joined: Aug 2002
Posts: 3,726
Likes: 0
From: Fort Collins, CO
Originally Posted by Chris ARE 385
Yep port volume info needed please!! Also what was the final chamber size
