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-   -   Fitment Problem AFR 180 Heads/Stock Valve Covers (https://www.corvetteforum.com/forums/c4-tech-performance/1813858-fitment-problem-afr-180-heads-stock-valve-covers.html)

90Indy 09-15-2007 06:41 PM

Fitment Problem AFR 180 Heads/Stock Valve Covers
 
I have just finished installing a set of AFR 180cc Eliminator heads and I cannot get the stock valve covers to pass by the Accel runners. The inside lip on the valve cover hits the Harland & Sharpe RR's while the outer edge of the valve cover hits the runner.

I have pushed as hard I feel comfortable in doing and I am relutant to dent the runners or trim the valve cover.

Is anybody else running the SuperRam Intake/Runners/Plenum with AFR heads? Did you have this problem? If so what did you do to get them installed?

90Indy

bogor 09-16-2007 06:29 AM

I did have the same problem when I had my stock 113 heads and OEM valve covers. I had to grind a little of the outer edge of the valve cover to clear the SR runners and I recall also a little on the inside (stock rocker arms but high lift cam). Today Iīm almost done with my new engine that comprise of 210 Eliminators (should be the same outer dimensions as yours) and Billets specialities cast valve covers. I did not encounter any problems fitting the new valve cover to the AFR head (using Comp pro magnum rockers). I also have a set of Summit cast valve covers (cheaper, prob the same manufacturer but too low for the rocker studs) as I recall these also fitted without problem. The valve covers in the pic are the Billet S ones.

http://i108.photobucket.com/albums/n...2/DSC01428.jpg

If you go for the BS covers: I had to grind slightly on the AC bracket to clear the valve covers. Also, I need to cut and weld a 2"x3" area in the front of the right cover to clear the AC compressor.

90Indy 09-16-2007 10:04 AM

Thanks for the info Bogor. After thinking some more about it last night I came to the conclusion that I would do some trimming on the covers. Since the sealing is accomplished between the cover flange and the head, I don't see any problem in taking some of the "lip" off.

I am headed to the garage to begin the "operation".

90Indy

bogor 09-16-2007 10:19 AM

I did not have any leakage from the valve covers after trimming (I run it for two years) so I donīt think you need to worry.


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