C5 Brake Upgrade.
Team Owner
Joined: Dec 1999
Posts: 34,873
Likes: 487
From: Lacey WA RVN 68-69
NCM Sinkhole Donor
I believe the pads are all the same for C4's for the rear brakes. The major differences in the rear brakes is the internal drum parking brake for the early cars compared to the later cars using the caliper as the parking brake.
Rotor diameter and thickness is about the same for the rears. You can get slotted/drilled rear rotors and there is a wide choice of pads and compounds for the rears. Good pad selection, quality brake fluid, and changing the flex lines to the teflon/stainless covering lines will make a difference in braking.
The C5 front brakes or the J55 fronts are a good upgrade but you really need the DRM bias spring to make the conversion work properly.
Rotor diameter and thickness is about the same for the rears. You can get slotted/drilled rear rotors and there is a wide choice of pads and compounds for the rears. Good pad selection, quality brake fluid, and changing the flex lines to the teflon/stainless covering lines will make a difference in braking.
The C5 front brakes or the J55 fronts are a good upgrade but you really need the DRM bias spring to make the conversion work properly.
Race Director
Joined: Jun 2004
Posts: 13,961
Likes: 707
From: WI
Look for used calipers ($50 used? check C5 parts) or new ($175 with pads when I did this). Make the brackets and your good. You could probably get some used race calipers from the track guys for free. I think the adapter bracket is around $100 if you buy them instead.
Burning Brakes
Joined: Oct 2009
Posts: 773
Likes: 2
From: Minneapolis MN
Burning Brakes
Joined: May 2004
Posts: 1,230
Likes: 27
From: Athens Ohio
Ed was clearing those adapters out about 3 months ago. He was selling them shipped for $70. I bought a set for my 86. It took a month to get them and he never did answer any emails. They are very nice brackets.
Pro
Joined: Jul 2005
Posts: 585
Likes: 0
From: Jacksonville FL
The larger 13" brakes (J55) were available on the Z07 (beginning in 92?)and ZR1 cars. Both my 93 and my 94 came with them.
I upgraded the 94 to C5 calipers in the front and it seems to stronger.
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Team Owner
Joined: Dec 1999
Posts: 34,873
Likes: 487
From: Lacey WA RVN 68-69
NCM Sinkhole Donor
Originally Posted by Strike3
Can anyone direct me to someone supplying adapters for an 86. I have tried to contact Ed Salinas and Pacific Northwest. Neither has responded yet.
PNW ZR-1 is out of the brake bracket business. Jeff has sold off his supplies of brackets.
You might try fleabay.
