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Old 08-04-2010, 01:47 PM   #1
Join Date: May 2010
Posts: 63
Ford 460 Tune up

Hi All
Have ford 460, 32k. Bought with 28k. completed oil, trany, a/c etc. changed.
Looking to have a tune up performed hopefully in west houston area. Been to Camper world for two problems. One a ever so small tear in rubber roof. Diagnosis-CW says I need a 4900 roof. Talked about shifting problem. CW instant diagnosis, need new transmision, I said "WoW" you are good. never seen or test drove and came up with diagnosis.
Is there a perfered where to have it done? Truck stop, local mechanic, dealer etc. Is there a Motor and transmission combination recomended? Runs fine, 2000 rpm 50 mph.. Great on long flat roads but with slight incline nit keeps down shifting like a passing gear. Over all runs good. just would loke 58 or so as comfort cruising range.
97 Southwind
Headed to Ariz Soon.

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Old 08-04-2010, 03:57 PM   #2
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Ford 460 tune up

It is a Ford thing !

We have owned Ford's for a long time and they are all slow on uphill climbs whether small or large.. that is my opinion of coure
Bought a new full size van in '84, and it would 'bog' down going over the ship channel bridge in Houston.. We just got used to it and remembered to get in the slow lane when a 'good climb' came up.. it is the same with the MH now.. otherwise,, on flatland,, it is a cruiser..
As to getting work done on your MH , I would suggest going to a local shop that someone (more than one if not a good friend) would recommend
I agree that was a quick diagnosis you got on the tranny... must have thought they seen words written on your forehead
take care, good luck!

Me & Slowpoke, USMC [1993 Gulfstream Sunvoyager M8345, F53 Chassis ]

"Travlin with a song and prayer"
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Old 08-10-2010, 09:53 AM   #3
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Location: Ohio
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You do not say what year your rig is. I have a 97 national wirh Ford engine that does the same thing and is Normal operation do to this if you have automatic over drive. It is annoying for the constant shifting so on hilling roads I turn off the overdrive which is controlled by button at end of gear shift. Hope this helps
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Old 08-10-2010, 02:32 PM   #4
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The 460 Ford motorhomes from the 90's are known for the constant downshifting. Part of the issue is lack of power under extra load like pulling hills. You say it runs fine on the flat roads so I'm thinking the tranny is OK. For a full tune up - Air filter, fuel filter, spark plugs, maybe plug wires, cap & rotor too. I have no recommendation where to service since I always do my own.

Two things can then reduce the constant downshifting. Installing headers and good exhaust system will really "wake up" that old 460. More power means less downshifting. Banks makes a nice system but is pricey. I put on Hedman coated headers and a full Flowmaster exhaust for less than $1000.

The other item that I've been considering is the Banks TransCommand module which is supposed to improve shift points and quality.
1995 Coachmen Santara 360MB 36' w/slide.
Ford F53/460 chassis, 1997 Jeep Grand Cherokee "toad"
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