| [ Total Views: 505 | Total Replies: 7 | Thread Id: 74476 ] |
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 helbus
A.k.a.: Pete S
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| posted on February 1st, 2009 at 05:24 PM |
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1979 Bay Bus brakes
Can anyone confirm for sure that 1979 Bay Bus or if early T3 busses from 1979 have any of the following the same as a 1975-77 bus
Same diameter and width front disc brakes?
Same diameter brake master and fail light switch?
Same size booster?
If 1979 bay busses had identical as 1975, then that is a very easy answer to the question. It would be good to know if the same size and power brakes
continued into the early 80's
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 Andy
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| posted on February 1st, 2009 at 09:54 PM |
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Not that it answers your question, but I know the rear drums and cylinders remained the same....
The ATE disc's that I bought say 08 '72 - 07 '79 on the box. Size "278x130x86".
I think the discs and callipers remained interchangable, but can't confirm this. No idea on the booster etc but T3's stopped better then T2's in my
opimion, so something must be different 
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 matberry
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| posted on February 1st, 2009 at 10:50 PM |
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Disc's, rotors, calipers and pads same 73-86 in my wholesaler catalog
Master and booster different part numbers, can't coment officially on size but I think it's just a bigger booster as T3's are heavierand stop
better, rears are also the same as stated.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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Andy
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| posted on February 2nd, 2009 at 09:15 PM |
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Most T2's would struggle to pull 12" vac anyway, so braking is automatically lower 
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helbus
A.k.a.: Pete S
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| posted on February 3rd, 2009 at 05:21 PM |
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So could it be said that the brakes on a T2 are the same from 1974 up until 7/79?
Discs, calipers and pads - Yes
Master cylinder -Yes
Rear drums, cylinders, shoes -Yes
What about booster?
What about brake fail switch?
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matberry
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| posted on February 3rd, 2009 at 08:51 PM |
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Although my nongenuine parts book does'nt denote any variation, I'm quite sure the '79 model had a larger diameter booster. Someone with a factory
parts manual might be able to confirm.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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helbus
A.k.a.: Pete S
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| posted on February 4th, 2009 at 05:57 PM |
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That would be interesting if the booster was larger. Can anyone confirm with factory parts manual?
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General_Failure
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| posted on February 6th, 2009 at 10:30 AM |
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| Quote: | Originally
posted by Andy
Most T2's would struggle to pull 12" vac anyway, so braking is automatically lower
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Maybe with a belt driven vac pump ehehe.
not an amazing amount of vac on them really, is there.
Before I fixed the last lot of engine problems, at times it had positive pressure 
But it's all good now. Well, good enough anyway.
If at first you don't succeed. Build, build again.
Vehicle: 1975 Special order delivery walkthrough panel based LCA pop-top camper. Motor: Nippon 1.8L Single port Wasserboxer, Transmission: 3 rib 002.
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