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Discussion Starter · #1 ·
I have a 66 Pontiac Ventura and searched for a disc brake conversion but nobody does a ready made kit. I did find a company called Scarebird who supply all the fittings and a list of off the shelf parts from various cars that all fit together.

Started with the wheel off



Then removed the drum



I then removed the three securing bolts and removed the backplate complete with shoes etc





Then I cleaned up the spindle etc





This is the kit for one side, they say to use original securing bolts but I used new ones for peace of mind



First bracket in place



Second one in place



Heating up the bearing spacer to shrink it on



Spacer in place

 

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Discussion Starter · #2 ·
Next was the discs

I tapped out the bearing race that came fitted as different ones were used



Pressed in new one with the handy laser cut disc supplied



Fitted new bearing



Then seal



Disc fitted to spindle



Prepared the caliper next



Then fitted it



Job done just needed to fit new MC/Servo

This is a list of the parts supplied with part numbers from Scarebird

Part Application NAPA Wagner Raybestos
Rotor 1977 Bonneville S/W 12" 4885581 BD60464 5028(RGS)
Caliper, LH 1969-72 Pontiac GTO SE4591 CR76062 FRC4039
Caliper, RH 1969-72 Pontiac GTO SE4590 CR76063 FRC4040
Brake pads 1969-72 Pontiac GTO TS728A MX728A RPD728M
Brake Hose (12") 1977 Caprice front 36797 F97664 BH36797
Brake Hose (15") 1977 Firebird front 36646 F80970 BH36646
Banjo Bolt 1969-72 Pontiac GTO 82698 DORMAN Part # 13935
Inner brg. 1970-73 Ford Mustang V8 BR13 A13
Outer brg. 1977 Bonneville S/W 12" BR2 A2
Wheel Seal 1977 Bonneville 19753 BCA Part # 8871
Dust Cap 1977 Bonneville BK7302438 DORMAN Part # 618102
 

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Discussion Starter · #3 ·
Next I removed the servo etc



The new servo had a straight pushrod with an eye whereas the original had a "u" shaped clevis that fitted around the brake pedal so I had to move the pedal to the side by 7mm. I did this by removing 7mm from one side of the pivot



I then made up a 7mm collar and fitted it onto the sleeving bush and nylon bearing type thing and this had the effect of off setting the pedal



I also had to move the brake light swith mount so cut it off and tacked it back on 7mm to the side



Then gave the brake pedal assembly a lick of paint



The studs on the new servo were shorter than the originals so as there were spacers between the firewall and the pedal assembly on the original I made these threaded spacers



I then cut down the studs on the servo, mounted it to the firewall with the spacers then screwed long grub screws into the spacers and mounted the pedal assembly to the grub screws with nuts





I made a new clevis pin to suit the two different diameter holes in the pushrod and pedal then fitted it with a spring washer and "r" clip



All done just needs plumbing and bleeding



Thanks to Kev Rooney for advice, Dave Eady for sourcing most of the parts and Scarebird.com
 

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Discussion Starter · #7 ·
The kit itself was about £180 delivered but I avoided vat etc (pot luck). All the associated parts depend on whether they happen to be in stock in this country and you don't have to use Rock Auto etc and pay expensive shipping. All told I think it was about £600 but as mentioned there are a few things which could push the cost up. Hope this helps.
 
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