Author Topic: 1995 Dual Diaphram Booster Mount Length  (Read 5075 times)

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Offline Jeffy

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1995 Dual Diaphram Booster Mount Length
« on: September 01, 2013, 04:01:36 PM »
Just going back and refreshing my memory on the single to dual diaphragm swap.  Is the mount the same length between them?

I can't tell from the picture;

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Offline sharpxmen

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #1 on: September 01, 2013, 04:05:42 PM »
what you're interested in is the length of the rod sticking out from the mounting face to the tub, should be the same (still have my dual diaphragm booster in the garage, didn't get a chance to put it on yet so i can't tell you for sure if the mount itself is the same but as long as you get the one that comes with the booster should should bolt right in).
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
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Offline Jeffy

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #2 on: September 01, 2013, 11:01:33 PM »
what you're interested in is the length of the rod sticking out from the mounting face to the tub, should be the same (still have my dual diaphragm booster in the garage, didn't get a chance to put it on yet so i can't tell you for sure if the mount itself is the same but as long as you get the one that comes with the booster should should bolt right in).
Well that's the problem.  If I get a new/reman. it won't come with the bracket.  I've heard '95's had both boosters though.  Which is what I'm wondering if they are the same size.  One is stamped while the other is welded though.

Might be better to get one of these?  http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=321197468915
« Last Edit: September 01, 2013, 11:44:00 PM by Jeffy »
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Offline neale_rs

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #3 on: September 02, 2013, 05:57:12 AM »
Well that's the problem.  If I get a new/reman. it won't come with the bracket.  I've heard '95's had both boosters though.  Which is what I'm wondering if they are the same size.  One is stamped while the other is welded though.

Might be better to get one of these?  http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=321197468915

That's not a bad price and it saves time not having to find the bracket.
'95 YJ, 33 x 12.5 mud tires, RE 4.5 ED lift, Atlas 4 speed, rear D44, ARBs front and rear, 4.56 gears, 8000# winch

Offline sharpxmen

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #4 on: September 02, 2013, 08:06:41 AM »
Well that's the problem.  If I get a new/reman. it won't come with the bracket.  I've heard '95's had both boosters though.  Which is what I'm wondering if they are the same size.  One is stamped while the other is welded though.

Might be better to get one of these?  http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=321197468915

i have a '95 and came with the regular vac booster, got the dual off a '95 at the j/y

the brake lines at the M/C are different (the thread) so you'll need those as well.
« Last Edit: September 02, 2013, 08:09:23 AM by sharpxmen »
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline sharpxmen

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #5 on: September 02, 2013, 10:15:33 AM »
one thing you could do, measure the distance between bolts on the booster side on the one you have and compare with the double diaph one, the length of the bracket looks the same from the picture but you could also measure the length of it and substract from the length of the rod sticking out - compare that to what you have at the brake pedal.
Just thinking if you already have it not to spend the $200 on the ebay one just for the missing bracket (it also looks smaller than the stock double one - says 8'', dunno what the stock one diameter is but worth checking).
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline sharpxmen

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #6 on: September 02, 2013, 12:47:41 PM »
I just clued in that you don't have it yet - you also need the M/C as the old one won't work on the dual, so that deal on ebay looks good - check the diameter on yours though as that one looks smaller but could be just the picture.
« Last Edit: September 02, 2013, 12:49:41 PM by sharpxmen »
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
Latest: Corbeau BajaRS heated seats :dance: keeping warm the rear end

Offline jfrabat

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #7 on: September 02, 2013, 03:30:47 PM »
I think they were different; but dont remember 100%.  I did that swap some 5 years ago, and then went to hydroboost, and my memory is not as good as it used to be!
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline Jeffy

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #8 on: September 02, 2013, 05:20:34 PM »
A '95 MC and Booster is around $150 new/reman.  I think $10 each for thread adapters.  That's not too bad.  Still not sure what I'll do but better brakes are in the cards.  I don't think I need hydro boost.  The Jeep brakes pretty well right now.  Just want a bit more bite.  I also might consider doing a Teraflex Disc conversion since they still make a kit that fits the XJ44 and it's reasonably cheap as well.
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Offline FourbangerYJ

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #9 on: September 02, 2013, 05:29:09 PM »
A '95 MC and Booster is around $150 new/reman.  I think $10 each for thread adapters.  That's not too bad.  Still not sure what I'll do but better brakes are in the cards.  I don't think I need hydro boost.  The Jeep brakes pretty well right now.  Just want a bit more bite.  I also might consider doing a Teraflex Disc conversion since they still make a kit that fits the XJ44 and it's reasonably cheap as well.

Does it have a E-brake with the kit?
Scott~

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Offline Jeffy

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #10 on: September 02, 2013, 06:01:47 PM »
Does it have a E-brake with the kit?
Yes, which is why it's a pretty good deal.

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Offline VA_YJ

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #11 on: September 03, 2013, 10:51:14 AM »
You can use rear disc brakes off a '96 and up Explorer (solid axle).  Teraflex sells the spacers by themselves.  It's supposed to be fairly easy to do - just grind the openings slightly larger to fit over the D44.  This is a pretty common mod for the XJ guys with 44 rears.
95 YJ, 31 BFG ATs, 4.0 TB & spacer, Banks header, DynoMax CAT back, 19# inj, AEM CAI, 20 gal mod, Optima yellow
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Offline jfrabat

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #12 on: September 03, 2013, 12:12:47 PM »
You can use the rear discs of a mid 90's ZJ; they work on both the D35 and D44 (with some adjustment)
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline Jeffy

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #13 on: September 03, 2013, 01:23:44 PM »
The reason for not going salvage is comes down to this.  I don't want to deal with rust, fabricating and hunting for little parts nor replacing said parts with new ones because they are too far gone.  Having both 5 on 4.5 and 5 on 5.5 bolt patterns is also a big plus.  It's still not at the top of the list though.  I'd probably replace the master and booster first.

According to this guy he's using the stamped bracket for his Dual diaphram on it.  http://www.jeepforum.com/forum/f12/95-dual-diaphram-booster-master-cylinder-upgrade-1287758/

Though if I can get enough bite without going to the floor, I might not bother with discs.  The complaints with drums are a bit moot since I can take them apart faster then discs.
Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline neale_rs

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Re: 1995 Dual Diaphram Booster Mount Length
« Reply #14 on: September 03, 2013, 01:32:33 PM »

Though if I can get enough bite without going to the floor, I might not bother with discs. 

Compared to GPW brakes, modern brakes are quite powerful.  It is just that we have gotten used to braking by just moving the ankle instead of using the whole leg!

'95 YJ, 33 x 12.5 mud tires, RE 4.5 ED lift, Atlas 4 speed, rear D44, ARBs front and rear, 4.56 gears, 8000# winch