Will "tall" valve covers fit with an EGR valve and a vacuum canister HEI?
05-22-2001, 08:48 AM
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Car: 2002 SOM z28
Engine: LS1
Transmission: T-56
Will "tall" valve covers fit with an EGR valve and a vacuum canister HEI?
Does anyone know if "tall" valve covers will fit with an EGR valve and an adjustable vacuum canister on a HEI?
I had to get a new smaller diameter EGR valve to fit with the valve covers I had to get for the roller rockers, but space is limited. I figure I can dimple the side of the valve covers if the EGR valve hits them, but what about under the canister too?
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1984 z28 w/ a 357 cu in. monster engine which is looking like the posterchild for Edelbrock with the exception of the Holley 750vac... all the suspension stuff... 9-bolt posi disk is in...
-=ICON Motorsports=-
I had to get a new smaller diameter EGR valve to fit with the valve covers I had to get for the roller rockers, but space is limited. I figure I can dimple the side of the valve covers if the EGR valve hits them, but what about under the canister too?
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1984 z28 w/ a 357 cu in. monster engine which is looking like the posterchild for Edelbrock with the exception of the Holley 750vac... all the suspension stuff... 9-bolt posi disk is in...
-=ICON Motorsports=-
05-22-2001, 09:03 AM
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Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
As far as the EGR and tall valve covers goes, the OE diameter EGR from V8 F-bodies will not fit. You would need to ding the side in a bit (~.25" should be adequet), just besure the rocker's clearance isn't compromised. But, if you have a smaller diameter EGR (so long as the mounting pattern is the same) it will fit without modification. As for the vacuun canister, I can't remember any interference using it with tall covers. Hope that helps. 
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George P. Lara
3rd Gen, 4th Gen
SCCA, SCFB, SC3GFB
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George P. Lara
3rd Gen, 4th Gen
SCCA, SCFB, SC3GFB
05-22-2001, 09:30 AM
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Car: 2002 SOM z28
Engine: LS1
Transmission: T-56
Yes that helps a lot. I guess then I may not have a problem with the EGR really either because it isn't the stock diameter. Thanks.
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