Timm Cooper disc brake conversion available again! - Defender Source
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  #1  
Old October 8th, 2011, 12:32 PM
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Daniel Rogers
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Timm Cooper disc brake conversion available again!

Hey folks:

No affiliation other than I'm friends with these people and want to see them succeed!

http://roamoffroad.com/

This should be good news for many people.

Daniel
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  #2  
Old October 8th, 2011, 05:19 PM
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William Skidmore
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Went through the site, almost too good to be true. They are also making a kit for front and rear brakes conversion package. Santa might just have come early for me.
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  #3  
Old October 8th, 2011, 08:26 PM
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Charles Galpin
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Definitely looks enticing, but what's the true cost? They give pricing for everything except the

109 Dual Circuit Master Cylinder (Late) / NRC6096 ~ $30
SIII Pedal and bracket Assembly / 569054 ??
SIII Servo / STC1816 ~ $140

So it's at least $2k for the front and $2700 for all 4, plus whatever the pedal assembly will cost... I"m the kind of guy that would do all 4 and the updated pedal assembly/servo/dual circuit, or just not bother, but that's pricey.
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  #4  
Old October 8th, 2011, 08:41 PM
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Bill Adams
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Drums work just fine. I could lock up all four in the 109 without too much effort and modulation was pretty good, even when they were filled with mud.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88

All my troubles are Rover
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  #5  
Old October 8th, 2011, 11:52 PM
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Teriann Wakeman
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Quote:
Originally Posted by o2batsea View Post
Drums work just fine. I could lock up all four in the 109 without too much effort.
Right they work well in the forward direction, but really poorly if you try to keep a 109 from rolling back when stopped on a steep uphill slope. The 109 front brakes have 2 leading shoes per side. This means lots of stopping power in the forward direction but you are relying mostly on the single trailing shoe on each rear brake to stop you in the rearward direction. Putting discs on the front of a 109 allows them to stop well in both directions.

I personally consider adding discs on the front of a 109 to be a safety upgrade. Last thing I want to do is try to hold a stock brake 109 in a steep nose up position in a failed assent while waiting for that idiot who was following close to get out of the way so you can do a controlled descent.

While nice to have, an 88 does well with drums & the rear of a 109 does well with shoes. D110's had shoes on the back through 1993. But if you drive the steep stuff in a 109, front disc brakes are a safety upgrade. But then again I think we have had this conversation before.
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1961 Triumph TR3A. Life is too short not to drive a classic British roadster.


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  #6  
Old October 9th, 2011, 02:06 AM
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Bill Adams
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Hm. I would diddle the trans brake and sometimes take my foot off the brakes completely on an uphill stuck. I was never in fear of losing braking or rolling backward, but that's just my own experience.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88

All my troubles are Rover
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  #7  
Old October 9th, 2011, 10:54 AM
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Awesome that this is back on the market. If I didn't run a 101 front end I would use these for sure, strong, simple, elegant, original looking. Sweet!
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1994 Defender 110 300TDI 3 door
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  #8  
Old October 9th, 2011, 11:12 AM
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I'm really excited for these guys. I had a hard time keeping my mouth shut while the details and site got worked out. The wheels are really great too I think. Obviously none of this stuff is necessary but if you're adding horsepower and speed it's nice to have options that are well thought out and functional. I'm sure they will be adding to their product line as they go forward.

Daniel
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  #9  
Old October 9th, 2011, 02:54 PM
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Bill Adams
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Quote:
Right they work well in the forward direction, but really poorly if you try to keep a 109 from rolling back when stopped on a steep uphill slope. The 109 front brakes have 2 leading shoes per side. This means lots of stopping power in the forward direction but you are relying mostly on the single trailing shoe on each rear brake to stop you in the rearward direction.
Sorry TAW, but that's patent hogwash.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88

All my troubles are Rover
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  #10  
Old October 9th, 2011, 02:56 PM
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Originally Posted by o2batsea View Post
Sorry TAW, but that's patent hogwash.
I personally can confirm that it is not.
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  #11  
Old October 9th, 2011, 03:21 PM
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Bill Adams
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Meh Whatever, I never had a problem. That said, Im ripping out the Series chassis and putting the 2A on a RRC.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88

All my troubles are Rover
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  #12  
Old October 9th, 2011, 07:59 PM
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Definitely not hogwash. I've spent more than enough time with the front end pointed toward the treetops and both feet on the brake pedal. And that is just on Virginia trails, I can only imagine trying the same trick on some of the steeper inclines you guys have out west. I found that it helped if the rears were freshly adjusted. But, that is kind of hard to keep up with in a series.

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I personally can confirm that it is not.
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  #13  
Old October 9th, 2011, 09:38 PM
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Charles Galpin
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Quote:
Originally Posted by o2batsea
Drums work just fine.
You crack me up Bill. A 2.25 works just fine too...
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  #14  
Old October 10th, 2011, 12:27 AM
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Teriann Wakeman
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Quote:
Originally Posted by o2batsea View Post
Sorry TAW, but that's patent hogwash.
Well I hope it is good hog wash & yields a good clean hog. I've personally been stopped on steep upward slopes with both feet braced on the brake pedal and the truck was still on the edge of rolling back. And I keep my brakes in good condition. No problem keeping the truck stopped with one fit nose down. 109 front brakes with their two leading shoes per side just don't work well in the rearwards direction.

I invite you to make a trip out to the left coast and spend sometime driving the streets of San Francisco in your 109. Then tell me I'm just imagining that my truck didn't want to stay stationary in a steep nose up attitude.

But I've never been able to convince you that having all leading shoes on the front makes the brakes work better in the forward direction and worse in the rearwards direction.
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1961 Triumph TR3A. Life is too short not to drive a classic British roadster.


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  #15  
Old October 10th, 2011, 04:04 PM
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john
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What do you know the homepage has my truck on it! Very cool
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  #16  
Old October 10th, 2011, 05:51 PM
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Brian Horner
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What do you know the homepage has my truck on it! Very cool
Hi John,

I always wondered what happened to the "Beast" rig! How's it treating you? It was selected for the homepage because it is widely believed to be one of the most aggressive bomb-proof Series rigs ever to hit the trail. That thing just ooozed cool. That vehicles pops-up in conversation whenever we discuss how much carnage a potetial new product needs to be able to withstand. Did you ever see the videos of it on the Rubicon that are up on Youtube?

Thanks,

Brian
ROAM OFFROAD
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  #17  
Old October 10th, 2011, 07:12 PM
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Hey Brian. Very cool company youve got there! Thanks for the kind words about the truck not that I can take any credit for it except I drooled over it for quite a long time. Yes it is a BEAST and I couldnt be happier with it. I havent seen the youtube videos but I will look for them or maybe you can post a link.
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  #18  
Old October 10th, 2011, 09:09 PM
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Wow these are great!! Thanks for sharing.
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  #19  
Old October 17th, 2011, 04:08 PM
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Thanks for posting that link Jeff, very cool stuff.
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1994 Defender 110 300TDI 3 door
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  #20  
Old November 3rd, 2011, 12:20 AM
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Quote:
Originally Posted by cgalpin View Post
Definitely looks enticing, but what's the true cost? They give pricing for everything except the

109 Dual Circuit Master Cylinder (Late) / NRC6096 ~ $30
SIII Pedal and bracket Assembly / 569054 ??
SIII Servo / STC1816 ~ $140

So it's at least $2k for the front and $2700 for all 4, plus whatever the pedal assembly will cost... I"m the kind of guy that would do all 4 and the updated pedal assembly/servo/dual circuit, or just not bother, but that's pricey.
Charles:

Do I hear a group buy discount in our near future?
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'71 Series IIA
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'94 90 NAS #324
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