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Old 06-23-2013, 05:41 PM   #1
Horsman
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BB valve cover decision

My OEM valve covers will not go back on since I have installed these roller rockers (see pic), the exhaust side poly locks are causing a clearance issue.

Has anyone installed a taller valve cover that looks stock appearing?

Any pics?

I guess the poly locks could be machined down for clearance?

Any thoughts or pics?
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1972 C20 Highlander "C"
1966 Olds 442 L69 four speed
1971 Skylark (GS clone racecar) 494 stroker
1986 Buick T-Type
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Old 06-23-2013, 06:26 PM   #2
geezer#99
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Re: BB valve cover decision

Install some spacers!
http://www.speedwaymotors.com/Ansen-...ers,24898.html
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Old 06-23-2013, 07:33 PM   #3
prostreetC-10
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Re: BB valve cover decision

Dang....you can buy new covers for the price of those spacers! They make stock looking, taller valve covers.

My only concern with spacers, besides looks is you have just one more area that can give you problems since it requires 2 gaskets.
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Old 06-23-2013, 08:47 PM   #4
Horsman
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Re: BB valve cover decision

Wondering if anyone makes a short poly lock?
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1972 C20 Highlander "C"
1966 Olds 442 L69 four speed
1971 Skylark (GS clone racecar) 494 stroker
1986 Buick T-Type
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Old 06-23-2013, 09:06 PM   #5
prostreetC-10
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Re: BB valve cover decision

They have to be a certain height in order to work. I certainly would not mess with trying to cut them down. Too easy and the right way to just get different valve covers.
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Old 06-23-2013, 10:12 PM   #6
brakenit
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Re: BB valve cover decision

Year One makes a stock style tall chrome valve cover. It's part number NP504T.
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Old 06-23-2013, 11:01 PM   #7
Fitz
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Re: BB valve cover decision

Quote:
Originally Posted by Horsman View Post
My OEM valve covers will not go back on since I have installed these roller rockers (see pic), the exhaust side poly locks are causing a clearance issue.

Has anyone installed a taller valve cover that looks stock appearing?

Any pics?

I guess the poly locks could be machined down for clearance?

Any thoughts or pics?
The GM Performance Parts catalog has tall BB valve covers like these:
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Old 06-23-2013, 11:14 PM   #8
mud.man.rj
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Re: BB valve cover decision

I once (for a customer upon request) installed stock covers with 2 gaskets and longer bolts. Didn't look weird at all and that way his valve train, same as yours had clearance. I usually just buy covers, but not everybody wants that, just an idea that worked.
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Old 06-23-2013, 11:51 PM   #9
Toxic Orange
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Re: BB valve cover decision

Felpro makes some 5/16 thick gaskets for a SB, may very well make some for the BB also. That may get you enough clearance.
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