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VIP Weekly Fun Question for 12-10-2011
cobra3073

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#1
VIP Weekly Fun Question for 12-10-2011
SUPERSTARS!

The question for this week was developed by 72 R Code as a result of his having been the first from the VIP ranks to provide the desired response to last week's Weekly Fun Question.

Please note that this "contest" will end at approximately 7:00 PM (CST) on Monday, December 12, 2011. Specifics on the Weekly Fun Question can be found under an "Explanation" Thread on the "Site News" Forum.

The Question:

What does TRS stand for and what is it's function as it relates to our 1971 - 1973 Mustangs?

Good Luck!

BT
Transmission Regulated Spark. It is part of the emission control system. It works through an ambient temperature sensor located in the A pillar, and a TRS switch on the transmission. It keeps the distributor vacuum advance from working if the temperature is below 45 degrees or the manual transmission is in high gear. On automatic transmissions it is activated by speed.
T-K

Do the RIGHT thing.
12-10-2011, 09:32 AM
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#2
Here goes:

Transmission-regulated-spark-control-system

The Transmission-Regulated Spark Control System differs from the Dist-O-Vac and Electronic Spark Control Systems in that the speed sensor and amplifier are replaced by a valve located on the transmission. On manual transmissions, the valve is activated by a mechanical linkage which opens the switch when the transmission is shifted into high gear. On automatic transmissions, the valve is opened by fluid pressure when the vehicle is in high range or reverse. Either valve, when opened, causes the opening of the vacuum lines to the distributor, thus providing vacuum advance.
  Reply
#3
The TRS is the Transmission regulated spark control system and it consist on a valve that opens when you put a high gear on a manual trans or in automatics, it is opened by fluid pressure when the vehicle is in high range or reverse. The function is to provide vacum advance when the valve opens, by openingthe vacum lines of the distrib...

Or something like that!!



Damián Cool

[Image: 120x45bk1ani.gif]
Vote For 7173Mustangs.Com Every Day!
  Reply
#4
Totally Radical Stang... Dude!! Big Grin

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
  Reply
#5
Transmission Regulated Spark control. Controls the advance

[Image: 2rr7aiv.png]

Just cruising along minding our own business when BAM!!! The LAWS show up.
  Reply
#6
TRS = trans regulated spark control. It adjusts the spark advance based on the gear the trans in in.

[Image: 386_07_10_13_5_58_42.jpeg]
My Mustangs:
71 M-code Mach 1, Medium Blue/White Sport, 4R70W, 3L50, Factory Ram Air.
72 Q-code Mach 1, Pewter/Black Sport, 4-spd, 3L25.
65 Convertible, Britney Blue/White/White, more modified than original.
05 Convertible, Legend Lime/Tan/Tan, future classic??
  Reply
#7
Transmission Regulated Spark Control System? AFAIK it was supposed to help reduce emissions.....

[Image: 1z21rv4.png]

Mike

"If I were you...... I´d rather be me."  Tongue

Check out my video:
http://www.7173mustangs.com/thread-my-mustang-in-action

  Reply
#8
Transmission Regulated Spark control system. It controls how much vacuum the distributor advance receives, based on the outside temperature, using a solenoid and a temperature-sensitive switch.
  Reply
#9
SUPERSTARS!

It would appear that the Europeans are on a roll as T-K was the First VIP Member to post up with the desired response. This is especially telling as T-K won the 12-03-2011 WFQ which got him elevated to VIP status.

With this win, T-K has earned "bragging rights" and the option to develop next week's Weekly Fun Question.

Congratulations, Torgeir...you did REAL good!

BT

Do the RIGHT thing.
  Reply
#10
Congratulations T-K! However I like Jeff's answer the best!

[Image: 386_07_10_13_5_58_42.jpeg]
My Mustangs:
71 M-code Mach 1, Medium Blue/White Sport, 4R70W, 3L50, Factory Ram Air.
72 Q-code Mach 1, Pewter/Black Sport, 4-spd, 3L25.
65 Convertible, Britney Blue/White/White, more modified than original.
05 Convertible, Legend Lime/Tan/Tan, future classic??
  Reply



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