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Throttle Cable Adjustment
#1
OK. Recently switched to an Air Gap intake and Quick Fuel carb. The dimensions must be slightly different than the Holley Dominator intake and ProForm carb I was running as now I cannot get to WOT. This is the factory throttle cable with the integrated spring on originally a 2bbl carb. Is there any adjustment to this? I really don't want to go the route of an adjustable bracket as they just don't look that great.

'73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

'73 F code convertible. Bright red. Needs total restore. (IE HOT MESS)

- Jason
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#2
Does the spring compress all the way? Could the problem be the pedal, like new carpet keeping the pedal from full travel?



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#3
Spring compresses all the way. I have to partly compress it just to attach to the carb thus reducing the amount of travel remaining to the point it reaches full compression before WOT is achieved.

'73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

'73 F code convertible. Bright red. Needs total restore. (IE HOT MESS)

- Jason
  Reply
#4
How about building an extension bracket that fits between between the bracket and manifold? That would look better than a universal adjustable one-size fits all.



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
  Reply
#5
That is my plan. Was just wondering if the cable was adjustable or if anyone else has run into this problem.

'73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

'73 F code convertible. Bright red. Needs total restore. (IE HOT MESS)

- Jason
  Reply
#6
Cable isn't adjustable. I had a similar problem and had to put a spacer between the bracket and the cable to move it away from the carb. Eventually fabbed up a proper bracket.


  Reply
#7
Got any pics of the bracket you fabbed up?

'73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

'73 F code convertible. Bright red. Needs total restore. (IE HOT MESS)

- Jason
  Reply
#8
Just an idea... but you can probably get 1/16” + by loosening up the carburetor fasteners and making sure the carb is all the way forward. Do the same with the bracket making sure you have it all the way back. The bracket is just steel and you might be able to give it a little “English” to get it where it needs to be.
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#9
Another way I was able to get WOT apart from modifying the pedal pivot point was to attach the throttle cable ball at a point closer to the throttle shaft which will lessen the total cable travel
Mine being a Holley has 3 different holes for attachment so not sure for the Quickfuel?
  Reply
#10
I had the same issue. I cobbed up a plate that repositioned the factory bracket which worked but didn't look great. I ended up going with this style aftermarket bracket.

https://www.summitracing.com/parts/qft-4.../overview/

73 conv. 460, D0VE large valve heads, Performer RPM manifold, Voodoo 227/233 cam, Holley 950 HP carb, C6 trans, 3.25 trak-loc.
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