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*****UPDATE***** 1971 B-Body firewall help please #2600461
01/02/19 03:28 PM
01/02/19 03:28 PM
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RJS Offline OP
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71 Super Bee that I took apart in March and finally got back to.
I painted engine compartment and the engine.
I have one more hole next to booster opening that I can't remember what to put in it??? Do I have all the other's in the right places also? Getting old is harder than I thought!!
Car is LA build non A/C 383 4 speed with a clock but previous owner did add Tach but I believe that goes through bulkhead.
Can't imagine I never noticed this hole open before.
Thanks in Advance and stay young!!!

Ron

IMG_2380 (Large).JPG
Last edited by RJS; 01/03/19 02:58 PM.
Re: 1971 B-Body firewall help please [Re: RJS] #2600705
01/02/19 11:32 PM
01/02/19 11:32 PM
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Ont, Canada
gygeneral Offline
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If this is any help, my runner after stripping, i don't have that hole??

DSC05597.JPG
Re: 1971 B-Body firewall help please [Re: RJS] #2600757
01/03/19 01:02 AM
01/03/19 01:02 AM
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RJS Offline OP
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The hole I have is that dimple your car has. My best guess is that it was there behind the booster and didn't realize that when I pulled the booster off. Maybe the previous owner thought he needed it for a tach and then later realized that the tach is through the bulkhead.
Ron

Re: 1971 B-Body firewall help please [Re: RJS] #2600770
01/03/19 01:47 AM
01/03/19 01:47 AM
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Belleville Il
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Dingmaster Offline
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I think the headlight door harness goes there.

Re: 1971 B-Body firewall help please [Re: RJS] #2600805
01/03/19 03:57 AM
01/03/19 03:57 AM
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California City, CA
dart440 Offline
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My 71 RR has the same hole (something missing)…

Mine is Early St Louis car 383, 4-speed, non-A/C, A/G

Anyone else have any ideas??? 8-)

Chuck


When you work on Spaceships for a living, how bad can a workday be?
Re: 1971 B-Body firewall help please [Re: RJS] #2600845
01/03/19 11:13 AM
01/03/19 11:13 AM
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71rm23 Offline
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RJS- I'm pretty sure that is for a tach harness. If there was a whole on the other side, it would be for headlight door harness.

Re: 1971 B-Body firewall help please [Re: RJS] #2600849
01/03/19 11:38 AM
01/03/19 11:38 AM
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MA
steve70 Offline
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Factory tach 71 Charger St Louis plant dimple but no hole

IMG_5651.JPG

1970 Challenger T/A 4 speed
1971 Charger R/T 4 speed-Mr Norms
1971 Duster 340 4 speed-2017 MCACN Gold Winner
Re: 1971 B-Body firewall help please [Re: steve70] #2600862
01/03/19 12:00 PM
01/03/19 12:00 PM
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Carlisle, AR.
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mdwyer Offline
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I think the cruise control harness goes through there?


1970 Challenger T/A
1970 Roadrunner RM21 Vcode
1971 Gtx
1971 Satellite
1971 Charger 500 GB5 383 A54 car
1972 Satellite
1974 Barracuda
1993 D250 12 valve
1997 Dodge 1500 hunting rig
1998 Dodge 3500 12v cummins(tow rig)
2014 Ram 2500 Mega Cab
Re: 1971 B-Body firewall help please [Re: RJS] #2600885
01/03/19 12:46 PM
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Western Colorado High Desert
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Re: 1971 B-Body firewall help please [Re: mdwyer] #2600887
01/03/19 12:47 PM
01/03/19 12:47 PM
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Ont, Canada
gygeneral Offline
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Just noticed you have two extra holes, one has a flat bottom, what is that for? Does it look factory?
I have a picture of a Cuda firewall and that hole was used for the roadlamp harness. I have no idea if that was even an option on 71B's

Last edited by gygeneral; 01/03/19 12:51 PM.
Re: 1971 B-Body firewall help please [Re: gygeneral] #2600895
01/03/19 01:04 PM
01/03/19 01:04 PM
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RJS Offline OP
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Originally Posted By gygeneral
Just noticed you have two extra holes, one has a flat bottom, what is that for? Does it look factory?
I have a picture of a Cuda firewall and that hole was used for the roadlamp harness. I have no idea if that was even an option on 71B's


There is just one extra hole, the one that looks like it has a flat bottom but is paint buildup from behind.
That's the hole I am speaking of, left of booster and right of fuse block nut. I now fully believe it was there and just behind booster. I have nothing left to put there except for a plug. Previous owner had put a reproduction tach in but it is spoken for through the harness.

I had put all my parts as I removed them in the trunk and the trunk is now empty aside from aircleaner assembly and wipers...

speedo cable is in
clutch interlock in
hood release in
hidden headlights in
dash reverse light in
back up lights in
clutch rod in
1"rubber plug near fender in

Ram Charger lines in (passenger side)

NO cruise control

Must need a rubber plug at this point that would be hidden behind booster.

Ron

Last edited by RJS; 01/03/19 01:07 PM.
Re: 1971 B-Body firewall help please [Re: RJS] #2600906
01/03/19 01:30 PM
01/03/19 01:30 PM
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Here's a comparison with the diagram for 70 E-body, I guess 71 B used basically the same firewall? shruggy

comparison.JPG
Re: 1971 B-Body firewall help please [Re: EV2RTSE] #2600936
01/03/19 02:13 PM
01/03/19 02:13 PM
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NORTHERN VA
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THESHAKERPROJECT Offline
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On my 71 high option Charger r/t that hole was used for the cruse control and maybe at one time your car had one ? Maybe a factory mistake ?? Dealer installed ? Who knows , but Im 100% shure it was the cruse control .

Re: 1971 B-Body firewall help please [Re: THESHAKERPROJECT] #2600952
01/03/19 02:36 PM
01/03/19 02:36 PM
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RJS Offline OP
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Originally Posted By THESHAKERPROJECT
On my 71 high option Charger r/t that hole was used for the cruse control and maybe at one time your car had one ? Maybe a factory mistake ?? Dealer installed ? Who knows , but Im 100% shure it was the cruse control .


I fully believe you are right but I also believe a previous owner did this by mistake. Car doesn't have cruise control.

The reason I never knew about this hole is that I just discovered that the booster backing plate fully covered it!!!
I put a plug in it and now when everything is back on it is covered and sealed!!

***** I will start a new post about the backing plate to see if I have the correct one for my application.

I want to thank everyone for the help.
Ron

IMG_2385 (Large).JPGIMG_2382 (Large).JPG
Re: 1971 B-Body firewall help please [Re: RJS] #2601164
01/03/19 10:06 PM
01/03/19 10:06 PM
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New Mexico
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JMCFAN Offline
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Nicely done!


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70 Roadrunner 383/4sp Purple/Black VT






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