buying afr 165
06-20-2008, 05:55 PM
#41
3rd Gear Member
Join Date: Sep 2007
Location:
Posts: 798
RE: buying afr 165
ORIGINAL: woodsy
It says your damn lucky its fully ported or it would a total turd. I dont know how many afr heads you use or setup on engines but I do about 6-8 sets per month and they are a disaster when it comes to the guideplates and rocker arm placement. Maybe I get all the bad afr heads who knows. There is no other "bolt-on" type of head that gives me more fits of rage when it comes to guideplate and rocker arm placement than an afr. Go take a look at some of the valvetrain on the 225, hilarious IMO in regards to the locks and retainers they use. You can have them.
It says your damn lucky its fully ported or it would a total turd. I dont know how many afr heads you use or setup on engines but I do about 6-8 sets per month and they are a disaster when it comes to the guideplates and rocker arm placement. Maybe I get all the bad afr heads who knows. There is no other "bolt-on" type of head that gives me more fits of rage when it comes to guideplate and rocker arm placement than an afr. Go take a look at some of the valvetrain on the 225, hilarious IMO in regards to the locks and retainers they use. You can have them.
Also, when I spoke with Keith Craft (84 miles from the house) he has never had problems, which is why he runs them, after 40 years of trying different heads. At his booth at the Hot Rod Power Tour the other day, he had 10+ cylinder heads there to look at. The worse one I seen was the Edelbrock Vic. Jr. 210 cc head. The casting was rough in the valleys.
Time toapply for the lottery...
There are a lot of great cylinder heads out there for us to use. Pick your poison...
TFS, AFR, CF, etc.
If anyone says that the AFR's are a crappy head, look at their motives behind it.
06-20-2008, 06:10 PM
#42
3rd Gear Member
Join Date: Sep 2007
Location:
Posts: 798
RE: buying afr 165
Joel, you are 100% right about me not mentioning the valve angle. I should not have left that out, but the topic just did not come up yet.
When I see that a cylinder head out flows another cylinder head, but they don't mention which side (intake or exhaust or both), or one should wonder how important it really is, it is going to provoke me to challenge it.
If someone prefers a style of cylinder head, talk about the good stuff, but do not trash a good cylinder head with serious issues.
We are all car guys, no need to take anything personal.
When I see that a cylinder head out flows another cylinder head, but they don't mention which side (intake or exhaust or both), or one should wonder how important it really is, it is going to provoke me to challenge it.
If someone prefers a style of cylinder head, talk about the good stuff, but do not trash a good cylinder head with serious issues.
We are all car guys, no need to take anything personal.
06-20-2008, 08:01 PM
#43
3rd Gear Member
Join Date: Mar 2008
Posts: 755
RE: buying afr 165
ORIGINAL: 5spd GT
I must be very lucky. I have set-up the valvetrain (guideplates, rocker arm placement) on 3 different AFR cylinder heads, and one was mine going strong 35k later.
Also, when I spoke with Keith Craft (84 miles from the house) he has never had problems, which is why he runs them, after 40 years of trying different heads. At his booth at the Hot Rod Power Tour the other day, he had 10+ cylinder heads there to look at. The worse one I seen was the Edelbrock Vic. Jr. 210 cc head. The casting was rough in the valleys.
Time toapply for the lottery...
There are a lot of great cylinder heads out there for us to use. Pick your poison...
TFS, AFR, CF, etc.
If anyone says that the AFR's are a crappy head, look at their motives behind it.
ORIGINAL: woodsy
It says your damn lucky its fully ported or it would a total turd. I dont know how many afr heads you use or setup on engines but I do about 6-8 sets per month and they are a disaster when it comes to the guideplates and rocker arm placement. Maybe I get all the bad afr heads who knows. There is no other "bolt-on" type of head that gives me more fits of rage when it comes to guideplate and rocker arm placement than an afr. Go take a look at some of the valvetrain on the 225, hilarious IMO in regards to the locks and retainers they use. You can have them.
It says your damn lucky its fully ported or it would a total turd. I dont know how many afr heads you use or setup on engines but I do about 6-8 sets per month and they are a disaster when it comes to the guideplates and rocker arm placement. Maybe I get all the bad afr heads who knows. There is no other "bolt-on" type of head that gives me more fits of rage when it comes to guideplate and rocker arm placement than an afr. Go take a look at some of the valvetrain on the 225, hilarious IMO in regards to the locks and retainers they use. You can have them.
Also, when I spoke with Keith Craft (84 miles from the house) he has never had problems, which is why he runs them, after 40 years of trying different heads. At his booth at the Hot Rod Power Tour the other day, he had 10+ cylinder heads there to look at. The worse one I seen was the Edelbrock Vic. Jr. 210 cc head. The casting was rough in the valleys.
Time toapply for the lottery...
There are a lot of great cylinder heads out there for us to use. Pick your poison...
TFS, AFR, CF, etc.
If anyone says that the AFR's are a crappy head, look at their motives behind it.
06-24-2008, 11:08 AM
#44
Banned
Join Date: Feb 2008
Location:
Posts: 143
RE: buying afr 165
Just for kicks let's compare apples to apples for a minute. Since comparing out "As cast" head to the 165 cnc head is not a good comparison to some. Check out the difference in the 185's.
Once again I will say that I am not going to bash AFR products. We have a good working relationship with the guys over there and they do make nice stuff. I am just pointing out the differences between the two and trying to sell my product.
[IMG]local://upfiles/91087/A1DD78AAC532456AA3B7C31A86794E03.gif[/IMG]
Once again I will say that I am not going to bash AFR products. We have a good working relationship with the guys over there and they do make nice stuff. I am just pointing out the differences between the two and trying to sell my product.
Airflow Chart for Twisted Wedge
Street CNC Cylinder Heads
Lift Value Intake Flow CFM Exhaust Flow CFM
0.100" 72 58
0.200" 142 112
0.300" 216 150
0.400" 258 192
0.500" 287 220
0.600" 301 231
Tests conducted at 28" of water (pressure);
CNC-profiled chambers; exhaust with 2" pipe.[IMG]local://upfiles/91087/A1DD78AAC532456AA3B7C31A86794E03.gif[/IMG]
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