hydroboost what a change!!
Thread Starter
Team Owner
Joined: Nov 2004
Posts: 20,715
Likes: 25
From: Sorrento Italy
hydroboost what a change!!
a few days ago i've fixed the hydroboost to my '77 and what a change in feeling and strength, the brake pedal got hard and needs only half inch of pressing to start operating, it's what i was looking for, i never could get used to vette soft brake pedal and this makes all the difference (i've got to say i have also wilwood superlight calipers all round though...) 
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Panic, you see my threads about sue GM, and hydroboost in general just this late afternoon....
I just finished MY install, and YES........
FINALLY some actual BRAKES on this car....been only ten years, why need brakes NOW??? eh??
GENE
I just finished MY install, and YES........
FINALLY some actual BRAKES on this car....been only ten years, why need brakes NOW??? eh??
GENE
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Norval, 8 YEARS?? man, wish you spoke up earlier....
maybe you did, but I missed it....
here I got synthetic fluid, O ring calipers, runout problems, if any--solved...and still lousey brakes....
some guys blame syn fluid....I allways thought it was BS, as there is NO inherant differance traceable to the syn fluid..DOT5....but NOW, there is a really solid feel and if I press the pedal, solid lockup....
I have owned/driven GM cars for decades now, from my '61 Catalina, through '87 vette, through Caddys...chebbys....the works... and this is the FIRST time ANY car, not just GM has had what I I would consider decent brakes with confidence that damn thing will stop...with enough pedal to grind the damn pads/shoes to oblivian before hell awaits....
GENE
maybe you did, but I missed it....
here I got synthetic fluid, O ring calipers, runout problems, if any--solved...and still lousey brakes....
some guys blame syn fluid....I allways thought it was BS, as there is NO inherant differance traceable to the syn fluid..DOT5....but NOW, there is a really solid feel and if I press the pedal, solid lockup....
I have owned/driven GM cars for decades now, from my '61 Catalina, through '87 vette, through Caddys...chebbys....the works... and this is the FIRST time ANY car, not just GM has had what I I would consider decent brakes with confidence that damn thing will stop...with enough pedal to grind the damn pads/shoes to oblivian before hell awaits....
GENE
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Originally Posted by BlackRat
Great news! i installed mine a month or so ago and I can't wait to see how it feels. Did you buy the HB kit or did you get a junk yard unit?
so 170 bux and ten daze later I finally got one....
it came with truck LARGE M/Cyl....useless...same bore as I had...but what I had was an upgrade in piston diameter over the stock vette unit...tried that about a year ago as a final attempt...to fix the 'stock system'....forget it, vacuum boosters suck...and I don't have a wild cam...15 inches at 750 rpm is not a wild cam...damit...
anyway, NOW The CAR STOPS....
NOW the next step is to find a Master Cylinder out of aluminum/plastic that can basically bolt in without an act of God....
GENE
Safety Car
Joined: Oct 2000
Posts: 4,282
Likes: 172
From: Lake Wylie, South Carolina
Very cool!!! I want tell you what I paid for mine. I don't want you to hate me.... 
What did you do about your high pressure lines? Did you build them yourself? I have the 16 and 18mm to an adapters but I am not sure what I will need for the hoses. Did you have to use an adapter on the steering cylinder for connecting the hoses?
What did you do about your high pressure lines? Did you build them yourself? I have the 16 and 18mm to an adapters but I am not sure what I will need for the hoses. Did you have to use an adapter on the steering cylinder for connecting the hoses?
Team Owner
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
BR, I did a rack/pinion conversion on my own, aboutr 4 years ago or so...similar but actully 'better'..snicker...than steeroids...
well in some ways anyway...so the plumbing is/was/has been easy, really...I used the old truck lines that came with the unit...
and bent, cut them to fit....the steel is 3/8 which makes 3/8 plumbing unions outta brass fit very well...work fine as I have had one on my car for about 10 years now...IT has never leaked a drop...wish I could say that about the rest of the car...
GENE
well in some ways anyway...so the plumbing is/was/has been easy, really...I used the old truck lines that came with the unit...
and bent, cut them to fit....the steel is 3/8 which makes 3/8 plumbing unions outta brass fit very well...work fine as I have had one on my car for about 10 years now...IT has never leaked a drop...wish I could say that about the rest of the car...
GENE
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