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Author Topic: Which Air Throttle?  (Read 2512 times)
txjeff
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« on: August 18, 2011, 08:07:49 AM »

My right knee is telling me it time to change to an air throttle on my MC-7. I have a 8v92t with a Allison 750 auto.
My questions for those that have made the change is:
1) which treadle did you use, surface mount or through the floor? (pros and cons of each)
2) where did you purchase the kit?


jeff
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73 MC-7combo
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Dreamscape
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« Reply #1 on: August 18, 2011, 08:11:27 AM »

This is where I'm going to get mine.

I'm going through the floor to keep it simple. Can't wait! Wink

http://users.cwnet.com/thall/airthrottle.htm
« Last Edit: August 18, 2011, 08:20:26 AM by Dreamscape » Logged

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« Reply #2 on: August 18, 2011, 08:23:59 AM »

You can buy everything you need from Williams direct on their online store better prices than Tom has by far www.wmco.com  

good luck
« Last Edit: August 18, 2011, 08:37:02 AM by luvrbus » Logged

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« Reply #3 on: August 18, 2011, 08:48:30 AM »

Good call Clifford. I figured a savings at almost $200! Thanks!
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« Reply #4 on: August 18, 2011, 08:59:06 AM »

If you want a Stone/Bennett shifter I'll show you how we can get you the new B-89 shifter kit for about 500 bucks less LOL don't get me wrong I like Tom Hall bought a lot of goodies from him in the past but just because I like him doesn't mean I pay a lot more just to buy from him
« Last Edit: August 18, 2011, 09:06:31 AM by luvrbus » Logged

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« Reply #5 on: August 18, 2011, 09:06:24 AM »

Tell me more!
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txjeff
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« Reply #6 on: August 18, 2011, 10:18:59 AM »

Clifford,

Looks like the major price difference is the throttle control. Tom has a complete bolt up assembly, does Williams offer the same set up? Although for the $200 difference I think I could design something that would work.

jeff
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gus
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« Reply #7 on: August 18, 2011, 11:42:53 AM »

Surface mount or through the floor depends on the space you have, some simply don't have enough space under the floor to work - I call this the "black hole".
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PD4107-152
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« Reply #8 on: August 18, 2011, 01:09:37 PM »

I don't know about your MC-7, but I had the same problem with my 4104.  After 200 miles, I thought my right leg was going to fall off.

I cleaned, adjusted and lubricated the factory throttle linkage from front to back and the difference was incredible.

I have an air throttle on my current motor home but I loved the instant response of the properly adjusted mechanical throttle on the bus.  VROOOM, VROOOM.
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« Reply #9 on: August 19, 2011, 06:02:54 PM »

Len,

I agree, the lag in my 4107 air throttle is a minor nuisance, especially in tight situations. But, of course, the V730 more than makes up for it.

I did the same thing with my 4104 hand throttle and it worked like a charm as a poor mans cruise control.

I rigged another hand throttle to the foot pedal of the 4107 but because of the air throttle it is a pain to adjust.
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JackConrad
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« Reply #10 on: August 20, 2011, 02:12:03 AM »

On our MC-8 (similar to your MC-7), we used the surface mount.  Jack
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Barn Owl
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« Reply #11 on: August 20, 2011, 07:58:48 PM »

My bus has a surface mount and so does my father's. I don't seem to notice the long lag that everyone talks about, and I have driven a 4106 with the cable throttle for comparison.
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« Reply #12 on: August 20, 2011, 08:09:48 PM »

The air throttles don't have lag if adjusted right Barn Owl I also try to figure that part out

good luck
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« Reply #13 on: August 20, 2011, 08:16:51 PM »

I put on a air throttle last year and love it, no lag time here so I must have it adjusted right  Grin Thanks again Clifford
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gus
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« Reply #14 on: August 21, 2011, 12:22:42 PM »

So what is the proper air throttle adjustment?

Last time I posted that my surface mount has 1/4" between the pedal and the air cyl arm I got a couple of answers that said that was about right.

Now you're telling me it isn't adjusted right. Does this mean at the pedal or the governor, or both?

Is it is or is it ain't, guys??

It isn't really a problem, just a minor nuisance.
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PD4107-152
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