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Predator billet valve covers
#2267350
03/11/17 01:05 PM
03/11/17 01:05 PM
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Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572
OP
super stock
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OP
super stock
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
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I have been working with a machine shop to have a set of billet valve covers built. The o-ring grove is going to be broached,and zig zag around the ( all 7 short ) bolts to seal the cover for max seal.. the covers are going to be flat top with a .375" radii all around the top for a clean look... All sides and top will be .150" thick to be able to engrave if one chooses and save weight. The rails are going to be .625" thick for no flex. The machine shop that is building these can Ingrave also.the pictured piece is a rail being cut out for fitment of the o-ring placement. if anyone's interested pm me.
Tony
Last edited by boatracer572; 03/11/17 01:13 PM.
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Re: Predator billet valve covers
[Re: camastomcat]
#2267868
03/12/17 05:01 AM
03/12/17 05:01 AM
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Joined: Jan 2003
Posts: 6,150
Melbourne , Australia
LA360
master
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master
Joined: Jan 2003
Posts: 6,150
Melbourne , Australia
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Why make the walls so thick? I've done 0.080" and 0.060" thick, my next ones I am making 0.040" thick. Sure make the rails thick so they stay flat. All they do is keep oil in
Just my thoughts anyway
Last edited by LA360; 03/12/17 05:02 AM.
Alan Jones
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Re: Predator billet valve covers
[Re: LA360]
#2268397
03/13/17 12:00 AM
03/13/17 12:00 AM
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Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572
OP
super stock
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OP
super stock
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
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Why make the walls so thick? I've done 0.080" and 0.060" thick, my next ones I am making 0.040" thick. Sure make the rails thick so they stay flat. All they do is keep oil in
Just my thoughts anyway After using a set of sheetmetal covers for years, the covers were starting to crack, I want to get away from that...I can have the machine shop do anything I want. These covers should weigh slightly more than a sheetmetal cover, last a lifetime and be a few hundred more than a set of high quality sheetmetal covers...
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Re: Predator billet valve covers
[Re: LA360]
#2269770
03/15/17 01:42 AM
03/15/17 01:42 AM
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Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572
OP
super stock
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OP
super stock
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
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Thx. I will post pics when the first proto. cover is done. I have a rail we cut out with the o-ring grove cut in it, for fit and placement, a couple small tweak's to the o-ring and were ready to cut a cover... stay tuned....
Last edited by boatracer572; 03/15/17 01:46 AM.
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