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80 series dual diaphragm booster

Tech Talk for Cruiser owners.

Moderators: toaddog, Elmo, DUDELUX

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Posts: 438
Joined: Tue Feb 20, 2007 7:34 am
Location: Gordonvale Queensland

80 series dual diaphragm booster

Post by flyology »

I have finished my rear disc conversion on my 60 series!!! I put an 80 series booster on it, but it appears that it is not a dual diaphragm booster, as the pedal is overly hard. Anyone have pictures of a dual diaphragm booster compared to a single, or can describe in detail the visual differences?

(Unfortunately I didn't get the cruiser finished in time to go away on our holiday to Darwin, so ended up taking the wife's CRV, so no boat here to go fishing in.... :cry: will have to hire a guide for a few days. Anyone know any good lure and fly guides to fish Darwin and Bynoe Harbours??)
My 60 series rebuild....
http://www.outerlimits4x4.com/ftopic103004.php&highlight=

http://www.flyology.com

2006 CRV Sport (wifes car)
Posts: 2097
Joined: Tue Aug 12, 2003 6:50 pm
Location: wollongong

Post by dow50r »

The 80 runs a dual diaphram booster, it has a slightly smaller diameter infront of the larger one, and thats the two of em...
Single diaphram boosters dont have this second smaller round bit,
The 1988 and later 60 went to the dual booster, but smaller than the 80
There is a piccy of an 80 booster on ebaye now. PM Crankycruiser for a set of v6 forrunner front callipers, that will make a huge improvement and bolt straight on the front
Andrew
Confucious say...man who argue with idiot, worserer himself
Posts: 1109
Joined: Mon Feb 12, 2007 8:48 pm
Location: Australia

Post by hulsty »

What is the advantage of the dual diaphram booster? like in the 60's? did 70's have this aswell?
Posts: 675
Joined: Sat Dec 17, 2005 10:06 pm
Location: campbelltown

Post by Nat84 »

can we get some pics of the rear disc conversion on the 60??
Tires are like boobs, they always look big until you have played with them for a while, then you just want a bigger set
Posts: 438
Joined: Tue Feb 20, 2007 7:34 am
Location: Gordonvale Queensland

Post by flyology »

will try and post some pics, I am on holidays in Darwin but have brought the camera that has some pictures of the conversion on it. (I just have to work out how to load them on to my website)

I found two 80 series boosters on ebay, are they both dual diaphragm? seems they have an extra inch thickness at the front compared to the 80 series booster I have.

Thanks for the offer on the callipers, I allready have 4runner callipers up front. To do my conversion I used standard 60 discs up front, 4 runner 45mm piston callipers on the front, Marks axle widening kit up front with IFS lux hubs. 80 series booster (gotta get a dual diaphragm booster) 80 series master cylinder, Willwood adjustable proportioning valve between m/cylinder and rear callipers which are brumby vented front callipers. GQ rear discs over 80 series rear hubs.

I made my own rear brackets (well designed them and and them laser cut) as well as backing plates. For the park brake I used a 40 series cable between the lever and a bracket that I fashioned that bolts up where the old handbrake cable is clamped too.

There is nothing "bolt on" about this conversion, it took quite a while to do, with lots of trial and error fitting.
My 60 series rebuild....
http://www.outerlimits4x4.com/ftopic103004.php&highlight=

http://www.flyology.com

2006 CRV Sport (wifes car)
Posts: 780
Joined: Wed Apr 26, 2006 7:11 pm
Location: darwin again

Re: 80 series dual diaphragm booster

Post by simkell »

will have to hire a guide for a few days. Anyone know any good lure and fly guides to fish Darwin and Bynoe Harbours??)[/quote]

any of the ones in darwin are good, just pricey, blue water charters is a good one. missed some good tides last week thou.
MUD, MUD, GLORIOUS MUD!
Posts: 438
Joined: Tue Feb 20, 2007 7:34 am
Location: Gordonvale Queensland

Post by flyology »

Got a harbour trip booked for monday with Hooked up with Howie? looking forward to tossing a few lures and flies around......

really want to catch a threadfin on fly, and fingermark...... :)


will post pics of the disc conversion when I get back to Cairns in just over 3 weeks.
My 60 series rebuild....
http://www.outerlimits4x4.com/ftopic103004.php&highlight=

http://www.flyology.com

2006 CRV Sport (wifes car)
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