AFR Head Issues?
Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
AFR Head Issues?
Has anyone had any issues with their LSx AFR heads? The shop that is doing the work on my car suggested that we have the heads checked out. Here is what the machinist found:
In addition one of the valve cover retaining bosses was not tapped deep enough for the bolt to go in all of the way. The same problem was encountered with two of the threaded holes on the front of the head that are used to attach the alternator/ps bracket. In all cases the holes were drilled plenty deep but not tapped deep enough. This problem was encountered using stock hardware and bracketry.
- Heads were not flat, off by .005
- not all valves were seating perfectly
In addition one of the valve cover retaining bosses was not tapped deep enough for the bolt to go in all of the way. The same problem was encountered with two of the threaded holes on the front of the head that are used to attach the alternator/ps bracket. In all cases the holes were drilled plenty deep but not tapped deep enough. This problem was encountered using stock hardware and bracketry.
Last edited by VortechC5; Dec 16, 2004 at 07:32 AM.
Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
I am going to contact Tony at AFR next week to let him know. I think that he is out of town right now. All problems were rectified by the shop (RMCR) and the heads are on the car.
I have been doing this long enough that I expect issues, especially with new products. I was just curious if anyone else had seen anything.
I have been doing this long enough that I expect issues, especially with new products. I was just curious if anyone else had seen anything.
Originally Posted by runamuk
These are the first problems I've heard of, did you contact AFR or the person you purchased the heads from?
Last edited by VortechC5; Dec 10, 2004 at 10:13 AM.
Tech Contributor
Joined: Mar 2003
Posts: 12,093
Likes: 197
From: Colorado Springs, CO
St. Jude Donor '08-'09-'10-'11
Originally Posted by VortechC5
I am going to contact Tony at AFR next week to let him know. I think that he is out of town right now. All problems were rectified by the shop (RMCR) and the heads are on the car.
I have been doing this long enough that I expect issues, especially with new products. I was just curious if anyone else had seen anything.
I have been doing this long enough that I expect issues, especially with new products. I was just curious if anyone else had seen anything.
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Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
That would have been a valid option. To me it was faster and easier to just take care of it and move on. That is important when your car is torn apart.
I am not trying to bash or cause problems. I am just curious if anyone else had seen any issues.
I am not trying to bash or cause problems. I am just curious if anyone else had seen any issues.
Originally Posted by SpinMonster
Shouldn't you have let AFR fix the problem under warranty rather than giving the job to an unknown (regardless of his skill) so that AFR could make good and maintain your warranty? AFR could have done all that work themselves without incurring the labor of a third party.
Safety Car
Joined: Sep 2003
Posts: 3,558
Likes: 2
From: Cape Coral FL
I didn't have any issues. I checked my valve guides and springs. I took them off and put low pressure springs on to check rocker height with th valve cover on. I did it on both heads. I had my heads shaved .010" so if ther was an out of flat condition that could have cleared that up. The bolt holes were all fine. One issue I had, but it did not relate to the heads directly was with my rocker clearance to the shoulder wall. I put a set of Harland Sharp's in and had to clearance every one of them, but this was due to the HS' being fatter at the pushrod fulcrum and not due to insufficient wall clearance.
Melting Slicks
Joined: Feb 2002
Posts: 2,613
Likes: 0
From: Winston Salem NC
[QUOTE=VortechC5]That would have been a valid option. To me it was faster and easier to just take care of it and move on. That is important when your car is torn apart.
I agree. It's not always a good option when your car is apart and taking up space or a lift. I've made those decisions knowing the supplier would have to take my word that there was a problem.
I agree. It's not always a good option when your car is apart and taking up space or a lift. I've made those decisions knowing the supplier would have to take my word that there was a problem.
Last edited by gojo; Dec 10, 2004 at 12:27 PM.
Melting Slicks
Joined: Mar 2001
Posts: 2,233
Likes: 5
So, unless you got the only set that was ever like that, you need to have your shop document the things they fixed. Not to start a big thing about it, but just to let Tony and them know. Their reputation is flawless, they deserve that consideration. Even though you needed to move on, give them a shot at some sort of remedy. Good luck, keep us posted... 
Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
That is exactly what I plan on doing. I just want to let AFR know what we found. I'll cal them on Monday or Tuesday. I need get the details from the shop so I have the complete info before I call.
Originally Posted by skip89
So, unless you got the only set that was ever like that, you need to have your shop document the things they fixed. Not to start a big thing about it, but just to let Tony and them know. Their reputation is flawless, they deserve that consideration. Even though you needed to move on, give them a shot at some sort of remedy. Good luck, keep us posted...
Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
My car isn't done yet. The suprcharger installation is now underway.
Originally Posted by skip89
Good, you are on the right track. How does you car run with the new mods ?
Thread Starter
Le Mans Master
Joined: Apr 2001
Posts: 5,467
Likes: 713
From: Black Forest CO
It isn't a shipping damage issue for sure. The heads are very well packed and the box arrived in perfect condition.
Originally Posted by mdhmi
Could those issues be the result of bad shipping? (Package dropped ,etc) ??
Mark
Mark
