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5/24/10 11:58pm - Original Message: 'Passing Gear 73'
73STANRAY
Former Member
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HARRISBURG, AR - USA

Vette(s):
1-AWSOME RED 1973 STINGRAY WORK IN PROGRESS

Joined: 4/5/2010
Posts: 30
  I just had my transmission rebuilt on my 73 vette, I was told by my tranny mechanic that it was a 400 which was a good thing, He also said it was the original transmission for this car which made me very happy. BUT when he was finished he said that the passing gear was not hooked up. I hadn't noticed because I hadn't gunned it since I bought it because I wanted to get it checked out first. After it set in my shop I noticed a leak in the tranny on the floor so I had it rebuilt just for restoration reasons. Now I have to hook up my passing gear. I've looked in Volunteer Vette for a Detent Cable for the 73 but none were available. My mechanic said "the wire wasn't hooked up for the passing gear" !! Since I couldn't find one in V.V. and he said "wire" does this mean that my 73 has an electronic passing gear? It has an odd shaped pan (not square) so I do believe it is a 400. Question... What does the 73 have with a 350 engine, electronic or detent?  What do I hook the "wire" to? where do I get what I need? Thanx guys, I know Im mechanicly ignorant be easy on me with the wise cracks!  STANRAY
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5/25/10 8:07am - Reply: 'Passing Gear 73'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
The '73 would have had the 400 trans, and they do NOT have a cable operated "kick-down/passing gear" set-up. It is operated by an electric solenoid inside the trans, and a switch just above the accelerator pedal. The same switch operates the cold air induction hood "flapper".
So...where was the thing unhooked? Inside the trans, or outside?

The wire for the kickdown will connect to a connector on the driver side of the trans, pointing out, just behind the shift lever.
The switch is located just above the gas pedal on a bracket. They are usually tan in color, but could also be black. It will have a small rod sticking out from the side, that the accelerator pedal arm pushes on.
The switch should have 12v power on one side with the key on. On automatic trans cars, the switch will have two sets of contacts...one set for the trans, and one for the hood flapper.
hth


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Joel Adams
C3VR Lifetime Member #56    
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             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/25/10 10:13pm - Reply: 'Passing Gear 73'
73STANRAY
Former Member
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HARRISBURG, AR - USA

Vette(s):
1-AWSOME RED 1973 STINGRAY WORK IN PROGRESS

Joined: 4/5/2010
Posts: 30
TongueThanks Adams Apple
 
    The wire is in the transmission tied up with a zip tie, I didn't know if it hooked to the carberator or the accelerator, I will check tomorrow to see if the switch is still there. If not can I buy it from the Vette parts books or is it a dealer item? I appreciate your help. Also, I hate to ask but what is the hood flapper?Embarrassed I'll be with you guys more often reading and following the progress of the lukester and others trying to learn all I can because I ask the boss and she said I could be a full member!!Big smile One more thing is the only way you can join "Pay Pal"? Or mail a check? I would like to pay by credit card.        Thanks again!  In God We Trust...


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5/25/10 10:27pm - Reply: 'Passing Gear 73'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
You can pay any way that's convenient. Check, M.O., paypal, or even payments! You need to contact Adam and get more info, or check the membership page.
The switch should be available from most of the Corvette parts suppliers, but you may also be able to find on at your local parts house. It is a very common switch, as in, it wasn't only used on Corvettes.
The hood "flapper" is the cold air induction door at the rear edge of the hood, by the wiper area. If you look thru the small, plastic grill there, you'll see a door that goes across the back of the hood there. There is an electric solenoid the "flips" the door open when you go full throttle, and it allows more cooler air into the carb. This is why the hood has an opening in it, and th eair cleaner has a rubber seal around it to seal to the bottom of the hood. This assumes that you have the original hood, of course, and the original air cleaner housing.


____________________________________
Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/26/10 9:36am - Reply: 'Passing Gear 73'
T-Mans70,73 Lifetime Member
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Elma, WA - USA

Vette(s):
Red 1973 Convertible. L-48 Auto #'s matching Red 1970 LT-1 Convertible #'s matching

Joined: 6/25/2007
Posts: 692
Joel, (Adams Apple) knows his stuff like no other.
Welcome to the site. Gotta love them 73's.


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Anything worth doing is worth overdoing
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5/26/10 10:15pm - Reply: 'Passing Gear 73'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
On my 73, the trans wire comes off the back side of the throttle pedal. It is orange.

____________________________________
Brian - NCM Lifetime Member
          
73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, F-body seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans
Borgeson Steering box
Click here for Brian's Home Page 



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