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06-04-2013, 08:23 PM
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#1 |
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Senior Member
 
Join Date: May 2012
Location: Semmes,Al.
Posts: 407
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Notched firewalls
Putting a 540ci in my 66 step,and the valve covers are hitting the firewall.Lets see pics of notched firewalls.I have to use the tall valve covers ,because i run a stud girdle with the 760 lift cam. Seen a few on here before.
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Go Fast and Have Fun.!! My pro street build, http://67-72chevytrucks.com/vboard/s...d.php?t=551185 |
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06-04-2013, 10:56 PM
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#2 |
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Registered User
Join Date: Feb 2012
Location: Rescue, CA
Posts: 255
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Re: Notched firewalls
Only based on seeing/personal preference here but. Can the motor be moved forward enough to not need to tub/notch the firewall? If it can't due to radiator clearance or possibly transmission woes I understand but I personally never cared for the look of any firewall other then stock or smoothed out. The tubbed/notched ones never have that "factory flow".
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Project Change of Plans: http://67-72chevytrucks.com/vboard/s...d.php?t=513135 '62 C10 SWB '03 Express Van 5.3l Dead (parting out and using motor) '99 Silverado 4.8l 5 speed 4wd |
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06-05-2013, 12:02 AM
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#3 |
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Registered User
Join Date: Jun 2010
Location: Oklahoma City, OK
Posts: 1,517
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Re: Notched firewalls
Had to set a BBC back a bit in our burb...
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1958 Chevy 1 ton dually 4X4 dump/flat bed My build thread 1966 "Not-So-Original" Chevy Custom Trim Suburban My Time-Killing Project Truck 1966 GMC Extended cab 1 1/4 ton 4X4 My Son's build thread |
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06-05-2013, 09:29 AM
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#4 |
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Senior Member
Join Date: May 2012
Location: Semmes,Al.
Posts: 407
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Re: Notched firewalls
Nice job on that RockTonka,that's about what i need to do.Thanks.!!
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Go Fast and Have Fun.!! My pro street build, http://67-72chevytrucks.com/vboard/s...d.php?t=551185 |
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06-05-2013, 11:55 AM
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#5 |
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Registered User
Join Date: Feb 2011
Location: Williams, CA
Posts: 760
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Re: Notched firewalls
Hey Rocktonka,
Can you still remove the valve covers?
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Jeff 96 C3500 Crew Cab Long bed (Waiting on Cool Name) 64 C-10 shortie stepside, "Ole Brownie" C-10 Club My achingly slow build: http://67-72chevytrucks.com/vboard/s...d.php?t=508345 |
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06-06-2013, 12:20 AM
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#6 | |
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Registered User
Join Date: Jun 2010
Location: Oklahoma City, OK
Posts: 1,517
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Re: Notched firewalls
Quote:
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1958 Chevy 1 ton dually 4X4 dump/flat bed My build thread 1966 "Not-So-Original" Chevy Custom Trim Suburban My Time-Killing Project Truck 1966 GMC Extended cab 1 1/4 ton 4X4 My Son's build thread |
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06-06-2013, 01:14 AM
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#7 |
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Registered User
 
Join Date: Sep 2006
Location: San Francisco
Posts: 4,780
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Re: Notched firewalls
I cut mine in 3 spots then bent the firewall back and welded in some sheetmetal. Like the other the valve covers barely come off but they do.
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"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 |
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06-06-2013, 08:28 AM
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#8 |
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Registered User
Join Date: Feb 2013
Location: Genoa, IL
Posts: 387
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Re: Notched firewalls
Good to see these solutions. I will be notching mine next week. My new roller rockers will only fit under the tall valve covers. I have about a 1/8" clearance to the firewall so notching is my solution.
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Jeff Simplify Life! My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=566533 |
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06-06-2013, 11:25 AM
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#9 |
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Registered User
Join Date: Feb 2006
Location: Indiana
Posts: 188
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Re: Notched firewalls
I notched mine like the above the first time around and just didn't like it.
I then cut out and recessed the center section with a custom made piece. |
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06-06-2013, 11:37 AM
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#10 |
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Registered User
Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 3,039
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Re: Notched firewalls
Now thats the way to do it!! nice job BRASSHEAD-------
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1961 chevy K10 my build is------------61K10 build Last edited by 61K10; 06-06-2013 at 12:06 PM. |
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06-06-2013, 11:41 AM
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#11 |
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Senior Member
Join Date: May 2012
Location: Semmes,Al.
Posts: 407
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Re: Notched firewalls
That's slick.!!!
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Go Fast and Have Fun.!! My pro street build, http://67-72chevytrucks.com/vboard/s...d.php?t=551185 |
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06-06-2013, 09:15 PM
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#12 |
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Registered User
Join Date: Feb 2011
Location: Williams, CA
Posts: 760
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Re: Notched firewalls
Brasshead, that's REALLY nice! I've got a 454 that's goin in Ole Brownie and I was curious about that.
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Jeff 96 C3500 Crew Cab Long bed (Waiting on Cool Name) 64 C-10 shortie stepside, "Ole Brownie" C-10 Club My achingly slow build: http://67-72chevytrucks.com/vboard/s...d.php?t=508345 |
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06-09-2013, 12:35 AM
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#13 |
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Registered User
Join Date: Feb 2006
Location: Indiana
Posts: 188
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Re: Notched firewalls
Thanks guys
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06-09-2013, 12:55 AM
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#14 |
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Registered User
Join Date: Apr 2011
Location: .
Posts: 3,104
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Re: Notched firewalls
These modifications were done because I moved the motor back, did away with the 'gutter', shaved/filled most of the holes.
  Here is a look at the inside of the firewall under the dash. You will see the floor is different than stock infront of the trans tunnel cover because the cab was also stretched 5". Second pic shows how much room between header and cab before completion.  
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06-09-2013, 11:20 AM
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#15 |
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Senior Member
Join Date: May 2012
Location: Semmes,Al.
Posts: 407
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Re: Notched firewalls
Finished mine this morning,went big just in case.!!
   
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Go Fast and Have Fun.!! My pro street build, http://67-72chevytrucks.com/vboard/s...d.php?t=551185 |
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