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What Power booster for 71 340 A body? #3022434
03/09/22 05:56 PM
03/09/22 05:56 PM
Joined: Mar 2005
Posts: 2,058
NW/Indiana - Chi town
ricomondo Offline OP
top fuel
ricomondo  Offline OP
top fuel

Joined: Mar 2005
Posts: 2,058
NW/Indiana - Chi town
I can't seem to get a straight answer as to which power brake booster for a 71' Demon 340 with PDB?
Asked over on A bodies and got two different answers.

Is it Bendix or Kelsey Hayes?

Thanks to MasterShake340 I got the right master, just need to know which booster so I can hunt for it.

Thanks!


GY3 71 Demon 340
Re: What Power booster for 71 340 A body? [Re: ricomondo] #3022501
03/09/22 10:24 PM
03/09/22 10:24 PM
Joined: Jan 2003
Posts: 20,460
Eagle, Idaho
Neil Offline
The Doctor is in.
Neil  Offline
The Doctor is in.

Joined: Jan 2003
Posts: 20,460
Eagle, Idaho
Any pictures of what the two types look like?

Re: What Power booster for 71 340 A body? [Re: ricomondo] #3028873
03/29/22 11:30 PM
03/29/22 11:30 PM
Joined: Jan 2009
Posts: 68
southeast NE
L
lemondana Offline
member
lemondana  Offline
member
L

Joined: Jan 2009
Posts: 68
southeast NE
You need a Midland dual diaphragm A body booster. Harmon Brakes has them for sale I believe. Go to their website and look around.

Re: What Power booster for 71 340 A body? [Re: lemondana] #3028914
03/30/22 09:05 AM
03/30/22 09:05 AM
Joined: Jan 2003
Posts: 10,696
North Dakota
6PakBee Offline
I Live Here
6PakBee  Offline
I Live Here

Joined: Jan 2003
Posts: 10,696
North Dakota
Yes, you definitely need the Midland-Ross booster for a 1971. Also be aware that of the two braces, the one to the fender didn't change as far as 1973. The firewall brace did change when the booster was changed from the Midland-Ross to the Kelsey-Hayes in I THINK 1972. This is a picture of the braces you need, the firewall brace for the K-H booster has a spacer on the firewall end.


IMG_6562_1280x719.JPG

"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
Re: What Power booster for 71 340 A body? [Re: 6PakBee] #3029191
03/31/22 12:44 PM
03/31/22 12:44 PM
Joined: Sep 2003
Posts: 19,307
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 19,307
north of coder
how does this booster linkage compare to a 73 setup ?
beer







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