fact. cruise control

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Nov 5, 2002 | 08:54 PM

71cc

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Joined: Aug 2002

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From: Texas

fact. cruise control

My truck did not come with cruise control, but I have added a factory setup one to it. It is very sensitive and I have adjusted the "pot" sensitivity screw in the actual computer box trying to tune that out.It still is too aggresive when it throttles to maintain speed. If you resume it may actually downshift, overspeed, then back off and accelerate real hard again. it is a cycle that repeats itself and drives me nuts. Is there supposed to be some kind of vacuum break on the servo or what . I am out of ideas on how to tune it.I have tried different computers and servos, adjusted the chain slack etc. and still no better. i would appreciate any ideas.

Nov 5, 2002 | 09:33 PM

Mil1ion

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fact. cruise control

Can you send me a photo of the one you installed?

I just finished doing a conversion on mine.

I would like to compare them for you.

I assume you used all these parts on your conversion?

70's Ford Truck

Non-Cruise to Cruise Control Parts List

Special Brake Pedal

Brake Pedal Support

Brake Pedal Assembly Special Brake Booster
# FT 38 or FT43 (The number is on the pushrod)

Complete Cruise Control Under Dash Wiring Harness.
(includes:Speed Control Module,Horn Relay,Two different brake light switches)

Vacuum Controller with chain,linkage attachment

Vacuum Controller Bracket

Vacuum Cannister & Hose (attaches inside driverside fender)

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Nov 5, 2002 | 09:52 PM

hawkrod

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Joined: Apr 2002

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From: Apple Valley CA USA

fact. cruise control

hey Dennis, dumb question here on the subject..... i know that the cruise trucks had a special brake pedal and that the booster has a different end on the arm for the extra switch. i have had several setups that i have sold and recently i cam across a setup on a 79 F150 that had the linkage on the booster instead of a shaft running right to the pedal. the linkage has the odd angled end like the other boosters i have had. does this style of unit use a special booster or can a regular short shaft unit be used? i ask because i have an F350 tandem booster i would like to use and while i don't see any reason why not i thought i would ask an expert. hawkrod (ps, i have two more tilts, 3 intermittent wipers sets, and 3 hood lock sets, as well as finding two trailer specials and two super camper specials this week! eat your heart out<G>)

Nov 5, 2002 | 10:00 PM

Ford_Six

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Joined: Oct 2002

Posts: 18,488

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From: The Big, Oregon

fact. cruise control

try putting a restrictor in the vacuum line- just might help it to "ease" on.

Jared

Nov 5, 2002 | 10:03 PM

Mil1ion

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fact. cruise control

Are you talking about the rocker linkage from behind the booster to the pedal?

If so that is from a F-250 4x4 or from a F-150 4x4.
I've found there are 16 or 17 different boosters for these trucks.

There is a thread with the F-350 Booster upgrade on here somewhere.

Maybe do a search.

It might even be in the archived threads

This one is from the 77-78-79 2x4 or Bronco
http://www.clubfte.com/users/mil1ion/FT_43Booster.JPG

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Nov 5, 2002 | 11:13 PM

hawkrod

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Joined: Apr 2002

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From: Apple Valley CA USA

fact. cruise control

yeah, it was a 4X4 i got it from. i didn't realize they were different. am i correct in assuming i can bolt on the F350 booster to that linkage? looks the same but i wasn't sure. thanks, hawkrod

Nov 5, 2002 | 11:27 PM

Mil1ion

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fact. cruise control

Do you have a booster re-builder in your locale?

If so I would call them and ask what the application is for the truck you are doing.
There are a mulitude of booster's for Ford trucks.

If you Don't > Check your booster FT- number and tell me what it is.
I'll check with my re-builder tomorrow.

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