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#1 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Some weird throttle...thing...?
I've noticed this little guy ever since I got my truck but never really paid any attention to it. Now I'm starting to wonder what it is.
![]() Thats my gas pedal ![]() just the other side of the previous pic That little knob slides down when the the gas pedal is floored. It slides down because my gas pedal pushed it down. Only thing is...the wires go out the firewall and then are all wrapped up and hanging by my brake master cylinder...they aren't hooked up to anything.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy Last edited by R@nger; 04-10-2005 at 08:44 PM. |
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#2 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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kick down switch for the TH400 tranny.
In 71, they started mounting them on the carb. |
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#3 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Oh ok..where do I wire it to?
Sorry for all the questions...my first project car and I'm trying to learn all I can.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy Last edited by R@nger; 04-10-2005 at 08:59 PM. |
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#4 | |
The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,477
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Quote:
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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#5 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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What kind of trans do you have?
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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#6 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Ya know I'll have to check into that tomorrow.
I was given this truck from a friend and he had just gotten it when he gave it to me so I don't exactly know what trans or year engine it has in it. Like I said, tomorrow I'll go searchin for the engine and transmission number. Where is the transmission number usually located. Oh also, what do you guys recommend to get grease and grime off engine parts. I was gonna break out the can of carb-cleaner, a brush and some soapy water. I have a bit of cleaning to do if I'm going to find these numbers.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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#7 |
Registered User
Join Date: Nov 2004
Location: New Lenox,IL
Posts: 306
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Easiest way to tell what type of tranny you have is to look at the pan on the tranny undernieth, if it is in the shape of a square with one side kind of missing= TH350, if the under part looks kinda like the state of texas= TH400.
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1985 Chevrolet C-30 454 1-TON Dooley 1969 CHEVROLET CST-10 PICK-UP Good memories 1999 Chevrolet Z71 Ext. cab 5.7L Good Memories With a quart of oil, and a gallon of gas, she won't let no other car pass!!!. ![]() ![]() |
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#8 | |
Registered User
Join Date: Sep 2004
Location: Pierre SD
Posts: 1,533
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Quote:
I've never heard the 400 described like that before. Works though. I'll remember it next time i describe it.
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I think the world needs a drink... ![]() Help somebody...If you can....VanZant We're not wrong, we're not sorry, and its probably gonna happen again. That's the truth about men. Tracy Byrd ![]() Member# 13924 '70 c10, 350/350 '68 c10 250/4spd '68 c10 no eng/trans fac ps/pb/ac/at (future father/sons project) '48 Chevy Loadmaster |
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#9 | |
Registered User
Join Date: Sep 2004
Location: Pleasanton, TX
Posts: 1,723
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#10 | |
User #12137
![]() Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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just dont leave it on there to long it will eat the paint off to if you do leave it on there to long or at least mine did ![]() ![]() |
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#11 |
Registered User
Join Date: Feb 2004
Location: Tacoma WA
Posts: 1,365
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Andy got it wrong - hard to believe. Maybe he typed it wrong. 67-70 and kick-down on CARB. 71-72 had kick-down in CAB. When they changed to the throttle cable the kick-down changed also. A T350 uses a cable for kick-down not electric.
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67 C-20 LWB, tilt, speed alert, vac, 454, T400 67 C-10 SWB, factory air with more to follow |
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#12 |
Professional Grade
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
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My 80 GMC has a similar slider switch for it's TH400 kickdown
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1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap) |
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#13 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Hmmm cool tip chevy...in that case I have the TH350. When I'm looking at it from underneath the bottom left corner looks cut-off.
Can I still wire the kick down switch to it? I'll tell ya guys...I've learned so much in just the few days I've been a member here. I'm loving it..ty very much for all your help ![]()
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy Last edited by R@nger; 04-11-2005 at 01:54 AM. |
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#14 | |
Registered User
Join Date: Mar 2004
Location: Hoytsville, Utah
Posts: 3,365
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Quote:
Hey R@NGER- ![]()
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'68 Panel Project Boogie Chillin' '68 C-10 Ol' Green Last edited by pritch; 04-11-2005 at 11:06 PM. |
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#15 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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So is there anyway for me to put a kickdown in my cab...even though it's set up for a TH400?
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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#16 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Bob...you are right. I did have it confused...not a typo.
You can not use the electric switch for your TH350. If it was installed properly, then there is a cable coming up from the passenger side of the tranny by the dip stick tube going up to the throttle on the drivers side of the cab. This is your kick down. It is often left disconnected in swaps liek this, or never adjusted properly. |
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#17 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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I'll check but I can almost guarantee its not there.
Would this be something I could install..if it's not there?
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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#18 |
blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Im guessing the cable is ther laying on top of the trans under the floor where you cant see it. if it was missing alltogether you would have massive amounts of fluid spilling out the hole it fits in (near the cooler line fittings).
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Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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#19 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Hello..I'm from Ogden.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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#20 |
Registered User
Join Date: Mar 2004
Location: Hoytsville, Utah
Posts: 3,365
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Cool. I live up Coalville way. Between there and Park City.
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'68 Panel Project Boogie Chillin' '68 C-10 Ol' Green |
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#21 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Ok so today I worked on my truck somemore and found this.
Notice what I believe to be the kick down cable to the right of the transmission dipstick. http://i4.photobucket.com/albums/y13...n/IMG_0009.jpg Ok now I followed that up to my engine and this is where it attached. Notice the distributor to the left and thats the intake manifold right underneath. http://i4.photobucket.com/albums/y13...n/IMG_0007.jpg This is where it went from the last pic. Notice the little guy below the throttle and behind the spring. http://i4.photobucket.com/albums/y13...n/IMG_0008.jpg Would this whole setup be my kick down deal? If so how do I make sure its adjusted properly?
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy Last edited by R@nger; 04-12-2005 at 11:03 PM. |
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#22 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Any ideas?
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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#23 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Yup... your truck has a TH350 in it...and it used to have a TH400.
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#24 |
Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Yeah I'm pretty sure my friend's(the one that gave me the truck) uncle did an engine/trans swap.
Would I be correct in thinking those pics are of my kickdown cable?
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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