ROVERDRIVES FOR NAS DEFENDER 90s - Defender Source
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  #1  
Old June 27th, 2010, 09:13 PM
Tallergypsy
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Ray Wood
1984 Australian Built 110 4BD1
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ROVERDRIVES FOR NAS DEFENDER 90s

Vancouver Canada based ROVERDRIVE GEAR CORPORATION has introduced a new overdrive model to fit NAS spec DEFENDER 90s. Unlike Defenders elsewhere most NAS Defenders have 28 tooth input gears wheras the international standard is a 26 tooth gear.

Now that the new input gear is available any five speed Defender in North America can fit a ROVERDRIVE overdrive offering a 28% higher '6th gear' for economical long distance highway use. Fuel consumption improvement of up to 15% is reported by users and the reduction of noise in the cab at cruising speeds is significant.

The Roverdrive actually offers a complete second range of gears as it can be used in any gear in high and low ranges.

The ROVERDRIVE is easily fitted to the Defender in about two hours and requires no maintenance as it is lubricated by oil from the transfer case. The actuating lever is placed in the cab beside the hi/lo range knob. No drilling or alteration of the vehicle bodywork is required.

See www.roverdrives.com for more information
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  #2  
Old June 27th, 2010, 09:36 PM
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Mike
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Price?
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  #3  
Old June 28th, 2010, 08:24 AM
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Scott
1997 D90 ST #1444
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Could you also produce an under-drive?
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  #4  
Old June 28th, 2010, 09:45 AM
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Kevin Buckley
1973 coiler
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Or a Series over/underdrive??? Glad to see you on this site Ray.
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  #5  
Old June 28th, 2010, 10:44 AM
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Paul D
95 D90 ST & SW
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just saw one of these on ebay last night .....believe its the same guys?
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  #6  
Old June 28th, 2010, 08:48 PM
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steve
109/110 ambulance-55 series I
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I just installed one of their transfercase cooler covers and it is tits. My case has always run hot and I thought it was a good idea.
I do not have a Roverdrive (I would love one though) but if the cooler is any indication of the quality of product they have I would not hesitate to drop the coin.

Very nice to deal with also.
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  #7  
Old July 24th, 2010, 07:18 PM
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Trenton Smith
1997 D90
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Any chance your gonna make an auto 90 one?
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  #8  
Old July 25th, 2010, 12:04 AM
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Clarence
1994 D90 #1057
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No price on the website either. Looks interesting.
Anyone have one of these installed who is on this board?
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  #9  
Old August 16th, 2010, 11:31 AM
maleger
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Marc-Andre Leger
94D90 CDN#18 http://rover.leger.ca
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I contacted them, the price is 1650$CND + shipping for a 1994 D90. Nice, but too expensive for my budget.
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  #10  
Old August 16th, 2010, 02:12 PM
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barry f
94 ST #395
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Quote:
Originally Posted by D90user View Post
I just installed one of their transfercase cooler covers and it is tits. My case has always run hot and I thought it was a good idea.
I do not have a Roverdrive (I would love one though) but if the cooler is any indication of the quality of product they have I would not hesitate to drop the coin.

Very nice to deal with also.
Any pics? How do you know your case ran hot?
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  #11  
Old August 16th, 2010, 08:45 PM
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steve
109/110 ambulance-55 series I
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There are some pics on their site. If you really want one I can take one.

I can feel the heat coming through the floor, and the t case it always hot to the touch after freeway runs and especially when running in any loos dirt/sand for long periods. I often work the truck fully loaded.

I know there are hear sources everywhere and I'm most likely paranoid, but I like the idea.
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  #12  
Old August 19th, 2010, 02:24 AM
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barry f
94 ST #395
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So now you feel less heat coming through the floor? My cover needs to be resealed and I am wondering if I should just install this when I get a new gasket. Granted I am running a 3.9 and not a tdi. My floor does get hot and I have never been able to figure out why. Did you buy direct?
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  #13  
Old August 24th, 2010, 08:36 PM
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Pierre Jourda
1987 Defender 110
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Just took a 2,500 mile road trip with a newly installed Roverdrive on a 110 with a 200TDI. Worth every penny paid. Comfortable RPMs on the highway-transformed the whole experience. Installation was pretty straightforward as well.
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  #14  
Old August 24th, 2010, 09:30 PM
76ROVER
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Jason
76 SERIES
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I would love to see an over/under unit as well.
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  #15  
Old August 25th, 2010, 09:43 AM
D90DRC
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D Cantrell
1997 D90SW
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Quote:
Originally Posted by D90user View Post
There are some pics on their site. If you really want one I can take one.

I can feel the heat coming through the floor, and the t case it always hot to the touch after freeway runs and especially when running in any loos dirt/sand for long periods. I often work the truck fully loaded.

I know there are hear sources everywhere and I'm most likely paranoid, but I like the idea.

What year of Defender did you install this on? I have the cover and i have yet to install it on my 97 D-90
The Y-Pipe looks like it will be in the way.... I have a 4.0 with a ZF.... I was told it should work but I dont see how.. The Y-Pipe is stock not a NRP or Any other clone exhaust

Thnaks
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  #16  
Old August 27th, 2010, 07:47 PM
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barry f
94 ST #395
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I wrote the company last week to ask about the transfer case cover. no response
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  #17  
Old August 28th, 2010, 12:54 AM
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John B.
1991 Defender 90, 200TDI
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Phone.... Ray is not Mr. Modern.
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  #18  
Old October 9th, 2010, 11:22 PM
Tallergypsy
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Ray Wood
1984 Australian Built 110 4BD1
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Join Date: Jun 2010
Location: Vancouver Canada
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Roverdrive stuff

Whats that about not being Mr Modern I'm generally pretty good about being on top of my E mail.

The transfer case sump cover will be too close to the exhaust on some D90s with gas engines.

We are packing our NAS 110 2.8 for the 1600 mile trip to Moab. Who else is going?

Ray
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