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01-15-2013, 06:10 PM
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#1 |
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Registered User
Join Date: Jan 2010
Location: Forsyth, Ga
Posts: 1,012
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Big Block, tall valve covers and a heater?
I know some of these series trucks came with big blocks. From what I have read you may have to either beat your firewall out or move the motor forward for the tall valve covers. Will the heater box be an issue with tall valve covers?
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01-15-2013, 06:41 PM
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#2 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Big Block, tall valve covers and a heater?
My dad's '69 has a 454 w/stock valve covers and the passenger valve cover has plenty of room around the heater box, so I wouldn't see why tall valve covers won't fit.
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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01-15-2013, 06:43 PM
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#3 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Big Block, tall valve covers and a heater?
Here's a picture I found with tall valve covers. looks like plenty of room to me...
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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01-15-2013, 07:34 PM
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#4 |
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Registered User
Join Date: Dec 2012
Location: Upstate , New York
Posts: 647
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Re: Big Block, tall valve covers and a heater?
I have a big block with tall valve covers in my 68 I have no clearance issues by the heater box or my firewall. I could see having clearance problems only if you are using the 6 cylinder mounting holes
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01-15-2013, 08:04 PM
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#5 | |
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Registered User
Join Date: Jan 2010
Location: Forsyth, Ga
Posts: 1,012
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Re: Big Block, tall valve covers and a heater?
Quote:
By 6 cylinder mounting holes I assume you mean the rear two correct? Do you have pics? |
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01-15-2013, 08:18 PM
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#6 | |
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Registered User
Join Date: Dec 2012
Location: Upstate , New York
Posts: 647
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Re: Big Block, tall valve covers and a heater?
Quote:
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01-15-2013, 08:22 PM
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#7 |
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Registered User
Join Date: Jan 2010
Location: Forsyth, Ga
Posts: 1,012
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Re: Big Block, tall valve covers and a heater?
Is that a short water pump setup on there?
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01-15-2013, 08:35 PM
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#8 |
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Registered User
Join Date: Dec 2012
Location: Upstate , New York
Posts: 647
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Re: Big Block, tall valve covers and a heater?
no its a long water pump setup, i would of prefered the short due to the crank pulley being very close to the crossmember
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01-15-2013, 08:51 PM
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#9 |
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70+ ( Old Skool Club )
 
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,143
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Re: Big Block, tall valve covers and a heater?
The trucks in the pics on this thread all have no power brakes. Imthink you my have a clearance issue with a BB truck that has the stock 11 inch brake booster. Ive been wanting a set of Edelbrock Elite valve covers and I believe they are 5 1/2 inches high and I've measured and dont have that much clearance from the stock pb booster on my truck.
Posted via Mobile Device
__________________
1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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01-15-2013, 10:24 PM
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#10 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Big Block, tall valve covers and a heater?
Not sure exactly how tall these valve covers are, but there aren't stock and you can see the lack or room between the driver side cover and the booster.
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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01-15-2013, 10:55 PM
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#11 |
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Registered User
Join Date: Sep 2002
Location: DFW Texas
Posts: 2,269
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Re: Big Block, tall valve covers and a heater?
Tight fit on my old 72 but they did fit.
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01-15-2013, 11:14 PM
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#12 |
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Florida Edition
 
Join Date: Oct 2010
Location: Fruitland Park, FL
Posts: 4,028
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Re: Big Block, tall valve covers and a heater?
On a factory BB with AC the alt (on the drivers side) is a real p.i.a. with the stock brackets and tall covers but they are only required with a roller valve train.
Posted via Mobile Device
__________________
70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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01-16-2013, 02:50 AM
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#13 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Big Block, tall valve covers and a heater?
I have also seem some bbc have alternator bracket interference with stock valve covers.
Posted via Mobile Device
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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01-16-2013, 03:57 AM
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#14 |
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Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: Big Block, tall valve covers and a heater?
I installed my motor and tranny in my 72 with factory a/c and power brakes. It was a huge PITA but it does fit. If you have power brakes, I would suggest dismounting the booster for the install.
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68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi |
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