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#1 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Throttle Linkage - '63 with smallblock
I am looking for the bolt/nut size circled in the attached picture - I've realized my throttle isn't fully opening, and I am missing that bolt - hoping to get that slack fixed with a bolt in there and adjust it from there.
Any help would be appreciated! |
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#2 |
Registered User
Join Date: Jan 2013
Location: Las Vegas, NV
Posts: 1,853
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Re: Throttle Linkage - '63 with smallblock
Looked to be 3/16" Sure your linkage is hooked to right hole on carb?
http://67-72chevytrucks.com/vboard/a...1&d=1377291273
__________________
1962 shortbed 408cui small block, TKO 600 5-speed, bagged Porterbuilt suspension. 18" Salt Flats http://www.cardomain.com/ride/332579...t-c-k-pick-up/ http://67-72chevytrucks.com/vboard/s...d.php?t=560081 |
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#3 | |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
Quote:
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#4 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
The bolt helped a lot and took out a ton of slack, but I don't think I am getting full throttle still and the secondaries aren't opening on the 4 barrel.
Are there any tricks besides shortening the rod going to the carb? If I tighten it any more, it seems to mess with the idle, and the angle it's at is a bit scary. |
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#5 |
Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: Throttle Linkage - '63 with smallblock
can you put up pic of the linkage in the truck? i would like to see the angle your talking about
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#6 | |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
Quote:
Alright here's what I'm working with. The angle you see is Peru close to straight, and if I shorten the rod any more I'm worried about it binding. Is there anything I'm missing here? |
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#7 |
Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Throttle Linkage - '63 with smallblock
Heres a good thread on the throttle linkage.....there are several variants of the cab mount itself also. Although it looks that you have the correct one for a sb v8
http://67-72chevytrucks.com/vboard/s...d.php?t=537569
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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#8 | |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
Quote:
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#9 |
Registered User
Join Date: Aug 2012
Location: Lisle Illinois
Posts: 602
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Re: Throttle Linkage - '63 with smallblock
Another thread with instructions to make your own linkage
Good luck http://67-72chevytrucks.com/vboard/s...rottle+linkage
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1963 Fleet Side cab, Converted Fleet Side Barden bumper, Step Side in the middle. |
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#10 |
Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: Throttle Linkage - '63 with smallblock
Well two things the link/rod to the carb is to short and it should be very close to horizontal and the "arm" that you put the bolt in should be much closer to vertical then it is .... then it will work fine
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#11 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
Ok, I am going to try and adjust it further tonight now that I have the bolt in there. Thanks for that!
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#12 |
Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: Throttle Linkage - '63 with smallblock
you need to replace or lengthen the rod to the carb adjusting will NOT work right ....it is like 3"+ short
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#13 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
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#14 |
Chevy addict
Join Date: May 2012
Location: Iron Ridge, WI
Posts: 1,085
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Re: Throttle Linkage - '63 with smallblock
Just curious ....... Why do you NEED full throttle?
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#15 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
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#16 |
Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: Throttle Linkage - '63 with smallblock
He cant get ANY secondaries the way his linkage is .... what good is a four barrel if you cant get the secondaries to open????
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#17 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
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#18 |
Registered User
Join Date: Jul 2014
Location: San Diego, CA
Posts: 77
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Re: Throttle Linkage - '63 with smallblock
Want to thank everyone for their contributions to this thread. Here's a VERY rough draft, I've got to shorten the rod a hair and fix the return springs but I took it out and it's much quicker!
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#19 |
Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: Throttle Linkage - '63 with smallblock
that looks a lot better
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