valve covers - Chevelle Tech
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post #1 of 6 (permalink) Old Feb 8th, 20, 9:19 AM Thread Starter
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valve covers

i'm in the process of having a 496 built for my car I want it to appear factory under the hood but we are using roller rockers I noticed year one sells a replica valve cover that's 1/2 inch taller but theyre 70 bucks I cant see the quality being that great being that cheap has anyone used these?

1970 LS-6/M22 no stripe Monaco Orange
1970 LS-5/M22 no stripe Tuxedo Black
1987 Chevy K20 with 496
1986 GMC k3500 454
1986 Chevy K30 454
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post #2 of 6 (permalink) Old Feb 8th, 20, 10:13 AM
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There are guys fitting rollers under OEM covers if you have not purchased your valve train yet.

Mine would not fit and I did not pursue it. I ordered a taller pair from cfperformance for 65 bucks. Maybe the same as what Year One has. Quality is decent IMO. Metal is a slightly lighter gauge, noticable but still a sturdy cover. I do have a slight seepage from the rear corner on each side that I've not determined the cause (gasket or cover).

Here is a link to a picture of them mounted and next to OEM covers. Post #103 if it doesn't take you there.

https://www.chevelles.com/#/topics/1080214

-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
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post #3 of 6 (permalink) Old Feb 8th, 20, 10:49 AM Thread Starter
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Re: valve covers

Quote:
Originally Posted by 65cayne View Post
There are guys fitting rollers under OEM covers if you have not purchased your valve train yet.

Mine would not fit and I did not pursue it. I ordered a taller pair from cfperformance for 65 bucks. Maybe the same as what Year One has. Quality is decent IMO. Metal is a slightly lighter gauge, noticable but still a sturdy cover. I do have a slight seepage from the rear corner on each side that I've not determined the cause (gasket or cover).

Here is a link to a picture of them mounted and next to OEM covers. Post #103 if it doesn't take you there.

https://www.chevelles.com/#/topics/1080214?page=11
I havenít ordered anything yet machine shop said they could get them to fit under stock valve covers it would just be more money for the correct parts the taller valve covers are a cheaper alternative. I have stock style ones now that leak in the same spot you said yours to I tried a rubber fel pro gasket and it seemed to help

1970 LS-6/M22 no stripe Monaco Orange
1970 LS-5/M22 no stripe Tuxedo Black
1987 Chevy K20 with 496
1986 GMC k3500 454
1986 Chevy K30 454
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post #4 of 6 (permalink) Old Feb 8th, 20, 11:47 AM
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Re: valve covers

Quote:
Originally Posted by Richls5 View Post
i'm in the process of having a 496 built for my car I want it to appear factory under the hood but we are using roller rockers I noticed year one sells a replica valve cover that's 1/2 inch taller but theyre 70 bucks I cant see the quality being that great being that cheap has anyone used these?
Without reopening the whole "Are Aluminum Roller Rocker Arms Worthwhile for a Street Engine" discussion... What is your intended use for this engine?

I used Roller Tip Rockers on my 454 HO/ZZ454 when I swapped in a mild ZZ502 Camshaft. The 454 is not a killer, but it is a well rounded engine that is fun to drive. I topped the heads with factory-style Valve Covers. No clearance issues whatsoever.

This begs the questions: Do you need a Camshaft that is so aggressive that it requires Roller Rocker Arms? Is your engine builder over engineering your mill? And why?

I see an awful lot of street-used engines that are (super cool, but) way, way overbuilt for driving to and from a car show... My buddy has an A12 '69 Dodge Stupid Bee 440 Six Pack. He spent over 15 grand on an engine which produces gobs of horsepower. The Stupid Bee has never seen a Drag Strip and (despite my urging) never will. My buddy only drives the Stupid Bee to and from car shows and therefore it might as well have a slant 6 in it.

Just sayin' ... perhaps a less agressive engine might meet your needs better.
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post #5 of 6 (permalink) Old Feb 10th, 20, 4:35 PM
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Re: valve covers

Stack 2 stock gaskets

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post #6 of 6 (permalink) Old Feb 10th, 20, 8:37 PM
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Re: valve covers

Stock rockers will suffice for most BBC's if you are trying to use a stock type rocker cover.


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