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06-18-2015, 09:00 AM | #1 |
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Join Date: Oct 2014
Location: BACKWOODS W.V.
Posts: 5
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BBC valve cover clearance
Will my tall covers clear firewall or should I trim?
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06-18-2015, 10:57 AM | #2 |
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Join Date: Jan 2007
Location: Tucson
Posts: 2,183
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Re: BBC valve cover clearance
Mine fit. Very close, but they do not rub. If you are going to use a vacuum booster on the brakes you will need a dual diaphgram unit. The stock booster is too large.
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06-18-2015, 11:22 AM | #3 |
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Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,867
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Re: BBC valve cover clearance
fitz... whats the model # of that holley air cleaner getup?
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1967custom |
06-18-2015, 11:51 AM | #4 | |
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Re: BBC valve cover clearance
Quote:
That air cleaner is a Holley #64280. Jegs, Summit or direct from Holley. A bit pricey, though. |
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06-18-2015, 11:56 AM | #5 |
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Join Date: Sep 2007
Location: Albuquerque NM
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Re: BBC valve cover clearance
oh man that is pricey but thats just the look im going for. thank you!!
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1967custom |
06-19-2015, 08:33 AM | #6 |
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Join Date: Oct 2014
Location: BACKWOODS W.V.
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Re: BBC valve cover clearance
Wow that is close. Can I weld up & paint the heater/AC holes on passenger side before I get my aftermarket air?
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06-19-2015, 01:23 PM | #7 |
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Location: Tucson
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Re: BBC valve cover clearance
I did. The aftermarket air boxes tuck up under the dash but be prepared to say 'goodbye' to your glove box. After it's in there is just 2 inches for depth.
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06-19-2015, 01:25 PM | #8 |
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Join Date: Aug 2006
Location: Redmond, WA
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Re: BBC valve cover clearance
In my Camaro I had to reform the back of the cover to clear the factory booster, but you've got a narrow dual diaphragm so I'm going to guess you'll clear ok.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
06-19-2015, 02:16 PM | #9 | |
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Location: Tucson
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Re: BBC valve cover clearance
Quote:
Huh? The pics were for the OP who has a similar tall deck block. My truck has been finished since 2008 so I really don't need any advice on whether things fit. We're talking about tall valve covers on a tall deck block clearing the firewall in a truck. Who cares about a Camaro? |
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06-20-2015, 08:24 AM | #10 |
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Join Date: Oct 2014
Location: BACKWOODS W.V.
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Re: BBC valve cover clearance
Thanks for the info Fitz, I'm thinking going with a hydraulic booster. Going to start welding my firewall up.
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06-20-2015, 10:39 AM | #11 |
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Location: Tucson
Posts: 2,183
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Re: BBC valve cover clearance
The brakes are a choice, the welding is a skill and these trucks are just a kick! Enjoy your truck, when it is finished, that big block is going to really scream.
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