Qjet throttle linkage - Chevelle Tech
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post #1 of 7 (permalink) Old Feb 5th, 20, 7:43 AM Thread Starter
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Gene
 
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Qjet throttle linkage

Folks, I am having a real hard time finding a throttle arm that fits over the pin on 70's style Qjet carbs. I know the 67 style had a hole, like my Holley race 850 does.

Still using the oem throttle arm on the 67, no cables, so looking for an end that I can fit onto a 1/4"x28 threaded rod that "clips" onto my Qjets?

Good news is, we have a young millwright's apprentice in the house! But 'I;d rather not have to have Donny fabricate if I can buy something new or used. Plus, I can use the Holley throttle arm with a bushing and clip if need be throu the lower hole in the Qjets.

I'm thinking I may need to go to the local yards and get an end off a cable throttle and adapt it.

Any sources? Or McGiver fixes?

I have to call Qjets parts for a few of those c clips, so I'll ask the boys in NJ as well.

Gene
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post #2 of 7 (permalink) Old Feb 5th, 20, 8:23 AM
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Jim
 
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Re: Qjet throttle linkage

Is it different than this? 67 Impala carb is a late Q.
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Jim

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post #3 of 7 (permalink) Old Feb 5th, 20, 8:28 AM Thread Starter
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Gene
 
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Re: Qjet throttle linkage

Yes that the way a proper 60's QJet hooks up, afaik. The later models have a pin sort of "riveted" to the throttle arm. Yeah, I know I can drill it out, but I have two Q's that way so prefer to make a dedicated Qjet throttle rod that LOOKS like yours!

I've got a pic on my phone....
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post #4 of 7 (permalink) Old Feb 6th, 20, 4:13 PM
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Jim
 
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Re: Qjet throttle linkage

Gene I went & looked at mine & I had added a piece to make it longer, that's why it look like that. I think the way the linkage is it has to be higher up on the arm to make it work right. Measure your Holley it's probably longer that if you were to hook to where the pin is on the Q jet.

Jim

77 Monte
421 Profilers ported by Eric Weingartner, Straub HR 3200 conv. from Jake 200-4r w/ 3.73's
Machine work by Torvinen's machine
11.93 @ 112.7 & tuning
67 Imp.SS for the wife 275 hp 327-TH350
77 cruiser is online now  
post #5 of 7 (permalink) Old Feb 6th, 20, 5:30 PM Thread Starter
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Gene
 
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Re: Qjet throttle linkage

Jim, I got four threaded rods, one is totally adjustable. Its the end I'm looking for to ftt over that pin.

Alternatively, I have cut a starter solenoid copper "spacer" down in the lathe to make a bushing to go in the hole below the pin, which then I can use a pin-ended rod on. Different angle of attack on the throttle tho, as you say, and I'll need one of those special C-clips that GM used to hold it on.

I may have to fab something up to use that integral pin. I was hoping for a quick fix 1/4"X28 threaded end that someone knew about. Internet search proved futile. May have to grab some bar stock and whittle one up.

Gene
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post #6 of 7 (permalink) Old Feb 6th, 20, 7:04 PM
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Jeff
 
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Re: Qjet throttle linkage

Gene, how about using a piece of 1/4" round stock, heat one end and flatten it about 1 1/2", drill a hole in it so it fits over the pin on the throttle arm, bend the other end 90* to fit the arm near the firewall, (or thread it and use a rod end), paint it and your done.
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post #7 of 7 (permalink) Old Feb 6th, 20, 7:22 PM
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Jim
 
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Re: Qjet throttle linkage

Quote:
Originally Posted by nitrofox View Post
Gene, how about using a piece of 1/4" round stock, heat one end and flatten it about 1 1/2", drill a hole in it so it fits over the pin on the throttle arm, bend the other end 90* to fit the arm near the firewall, (or thread it and use a rod end), paint it and your done.
I was thinking similar.

Jim

77 Monte
421 Profilers ported by Eric Weingartner, Straub HR 3200 conv. from Jake 200-4r w/ 3.73's
Machine work by Torvinen's machine
11.93 @ 112.7 & tuning
67 Imp.SS for the wife 275 hp 327-TH350
77 cruiser is online now  
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