Throttle linkage
More Turbo
Joined: Feb 2014
Posts: 633
Likes: 42
Start with the simple stuff like the floor mat and carpeting to make sure that's not the issue. Then check all the pivot points. Clean and lubricate. Then rip it all out and put in the throttle from a dent so it's smooth.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
Figure out where it is binding by doing some actual troubleshooting. Yes, that means opening the hood. It could be as easy as finding a spark plug wiring interfering with the linkage.
Somewhat sarcastic rant has now concluded.
Somewhat sarcastic rant has now concluded.
Freshman User
Joined: Dec 2014
Posts: 28
Likes: 0
From: Central Pennsylvania
x2 on the newer throttle linkage set up. On my '70 the main part of the linkage bolted to the intake was brazed. I noticed it was fixed shortly after I got it. Noticed bad throttle response one day and gas pedal would go to the floor and wouldn't do much. After a little hunting, I figured out it the large angled part had started to crack where it was bolted to the intake. So, I fixed it, then as I was looking for parts at the junkyard one day, I took a few throttle linkages from later 70's trucks and found one that worked in my truck. Only 1 linkage as opposed to many moving parts to operate throttle.
Freshman User
Joined: Dec 2014
Posts: 28
Likes: 0
From: Central Pennsylvania
Yeah, thanks for picture. Same setup I'm using, just my linkage is a little different. Made more sense to me than all the stuff that was on there before. Kept all the old stuff in garage. Just thought if I could simplify, why not?
Senior User
Joined: Feb 2015
Posts: 294
Likes: 1
All that bellcrank, monkey motion linkage never made much sense to me. My original 6 cylinder had that goofy setup to change the direction of motion, and I get that. But what's the purpose on a V8 truck? I have a V8 pedal in mine now, and a straight adjustable rod off a later truck I plan to use.
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Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
All that bellcrank, monkey motion linkage never made much sense to me. My original 6 cylinder had that goofy setup to change the direction of motion, and I get that. But what's the purpose on a V8 truck? I have a V8 pedal in mine now, and a straight adjustable rod off a later truck I plan to use.
Dunno if it's a myth or not and I have never really analyzed whether that could happen.
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Senior User
Joined: Feb 2015
Posts: 294
Likes: 1
Hmmmmm. I suppose it's possible. Back in the day, I had a Galaxie with a manual transmission and a broken motor mount. If you got on the gas, the motor would rear up and jam the clutch belcrank. I had to use a prybar to get it loose and let the motor fall back into place.
Cargo Master
Joined: May 2015
Posts: 2,350
Likes: 7
From: Garland, Tx
Hmmmmm. I suppose it's possible. Back in the day, I had a Galaxie with a manual transmission and a broken motor mount. If you got on the gas, the motor would rear up and jam the clutch belcrank. I had to use a prybar to get it loose and let the motor fall back into place.
And my linkage looks just like the pic above.
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