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Old 04-17-2021, 09:43 AM   #1
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1967 26' Overlander
1975 20' Argosy 20
Swansea , Wales
Join Date: May 2015
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Gear vendors

Looking at options to help with lowering the revs on my new Argosy 20 (must settle on a name). I知 tempted by the Gearvendors solution. I致e read the previous posts from the Airstream guys and here and yes there are a number of different opinions.

There are a few options on their website and I will call them on Monday but this looks to be the correct one (see below.).

So in terms of fitting - I知 assuming I will need to get the prop shaft shortened and re balanced as well as fitting the Gearvendors.

Has anyone done this on their Argosy - anything I need to know regarding issues?

Thanks.

Laurie

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Axle ratio 2:73



Part # 3DFS400A

190673Automatic 3-Speed TH 400 4″ Tailhousing

Automatic 3-Speed TH 400 4″ Tailhousing.Replaces 4″ tailhousing.Small block and Big block cars.
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Old 04-17-2021, 10:06 AM   #2
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1975 20' Argosy 20
Chestfield , Kent
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Quote:
Originally Posted by r1071987 View Post
Looking at options to help with lowering the revs on my new Argosy 20 (must settle on a name). I知 tempted by the Gearvendors solution. I致e read the previous posts from the Airstream guys and here and yes there are a number of different opinions.

There are a few options on their website and I will call them on Monday but this looks to be the correct one (see below.).

So in terms of fitting - I知 assuming I will need to get the prop shaft shortened and re balanced as well as fitting the Gearvendors.

Has anyone done this on their Argosy - anything I need to know regarding issues?

Thanks.

Laurie

覧覧覧覧覧覧覧覧覧覧覧覧

Axle ratio 2:73



Part # 3DFS400A

190673Automatic 3-Speed TH 400 4″ Tailhousing

Automatic 3-Speed TH 400 4″ Tailhousing.Replaces 4″ tailhousing.Small block and Big block cars.
I have one of Bella, lowers the revs on the motorway by around 25% Laurie.

Yes the prop needs shortening, but a good alternative to changing to an overdrive transmission.

Only downside is they need a oil change every 3000miles.
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Old 04-17-2021, 10:29 AM   #3
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1967 26' Overlander
1975 20' Argosy 20
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That’s encouraging that you have one on Bella Martin.

Noted the 3000 Mile oil change, didn’t know that but sounds like it’s worth it.

Brilliant - thanks.
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Old 04-19-2021, 02:47 AM   #4
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Martin

Just a quick question before I order the Gear Vendors today.

The rear axle ratio is 4:10, I got that from previous posts on this forum, what about the 4" tailhousing? I am not certain on this. Also the part below doesn't mention the parking break but I will discuss this when I call.

I am assuming Martin you had yours installed when Bella was in the states, I am hoping that its not too complex and I can get a UK outfit to do the job.

Thanks

Laurie
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https://www.gearvendors.com/hrgm3s.html

Part # 3DFS400A

190673Automatic 3-Speed TH 400 4″ Tailhousing
Automatic 3-Speed TH 400 4″ Tailhousing. Replaces 4″ tailhousing. Small block and Big block cars.
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Old 04-19-2021, 06:31 AM   #5
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1975 20' Argosy 20
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Quote:
Originally Posted by r1071987 View Post
Martin

Just a quick question before I order the Gear Vendors today.

The rear axle ratio is 4:10, I got that from previous posts on this forum, what about the 4" tailhousing? I am not certain on this. Also the part below doesn't mention the parking break but I will discuss this when I call.

I am assuming Martin you had yours installed when Bella was in the states, I am hoping that its not too complex and I can get a UK outfit to do the job.

Thanks

Laurie
__________________________________________________ ________

https://www.gearvendors.com/hrgm3s.html

Part # 3DFS400A

190673Automatic 3-Speed TH 400 4″ Tailhousing
Automatic 3-Speed TH 400 4″ Tailhousing. Replaces 4″ tailhousing. Small block and Big block cars.
Hi Laurie

I did have it fitted whilst Bella was in the US (actually I had officially left the US, had the parts shipped to a friend and left it being fitted at a transmission shop local to him, then went back and spent around 4months as a 'visitor' to sell the house etc).

GV recommended 3D0400B plus 3S0043 (the 43T speedo adapter). There is no transmission brake on our units (they have a separate cable pull on the rear drum brakes). It was a regular kit for TH400/475 transmissions.

Receipt is attached for info.
Attached Files
File Type: pdf GearVendors receipt.pdf (335.6 KB, 4 views)
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Old 04-19-2021, 08:30 AM   #6
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Brilliant - thanks again Martin.
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Old 04-19-2021, 11:01 AM   #7
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Bookmarking this thread. Driving the Diskotrek for the first time on a real trip had me worried about the high revs everytime we were on the interstate. Hopefully I don't *need* transmission work anytime soon, but I want to have my ducks all in a row when the time comes to make a change.
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Old 04-19-2021, 12:44 PM   #8
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The early Argosy with small 16/16.5in wheels/3 speed transmission/driving on a freeway feel like a hamster running flat out in a wheel, only a matter of time before either the 'wheel' or the 'hamster' breaks!
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Old 04-19-2021, 12:48 PM   #9
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Quote:
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The early Argosy with small 16/16.5in wheels/3 speed transmission/driving on a freeway feel like a hamster running flat out in a wheel, only a matter of time before either the 'wheel' or the 'hamster' breaks!
Yeah... that's pretty much what I was thinking, except in my analogy (based on the sound) it was a rubberband!
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