1979 project possibility
Thank you.
These items can be purchased through other merchants and also on eBay. In any case, based on the exciting project you have taken on, these items will be indispensable.
I am not a professional restorer or anything. I would just fix/replace/'restore' whatever I thought would make the car look nice or drive better. This is my plan for the Corvette as well.
Its current state.
Last edited by MarkW68; Nov 25, 2023 at 07:54 PM. Reason: Typos
The Best of Corvette for Corvette Enthusiasts
What do you think? What would be the better route?
Last edited by MarkW68; Jan 15, 2024 at 01:02 PM. Reason: Add quote
Your idea to rebuild is good and it's a simple job. Do you know if the current calipers are sleeved? Many have been changed out since the '80s when sleeving became the norm.
Your idea to rebuild is good and it's a simple job. Do you know if the current calipers are sleeved? Many have been changed out since the '80s when sleeving became the norm.
My calipers looked pretty much like yours when I got the car, but a good cleanup and a coat of paint made a big improvement. It is a pretty easy job.
With the car on jackstands, take off the wheels. With golf tees, or clamps, ready, cut the flexible brake lines. Remove the steel line in the rear calipers and throw them away. Then remove all 4 calipers. Place them somewhere that the brake fluid won't damage paint, to include not on a painted garage floor, or on your nice workbench.
Pull the pins, and toss the brake pads. Then pry off one over one of the 4 pistons on each caliper. Then decide what to do.
If you have 4 calpers with stainless sleeves in good condition (including the bleeder valve), buy a high-heat O-ring rebuild kit from CSSB Inc, and do it yourself.
Otherwise, decide if you want Lonestar rebuilt calipers, or if you want to save a bunch of unsprung weight and (laterally) upgrade to Wilwood direct-replacement calipers. If you are going to track the car, you'll likely want bigger front brakes eventually, so don't buy the wrong expensive thing as a stopgap.
Buy new plain-steel short brake lines for the trailing arms (and anywhere else you need), and buy teflon-lined flexible stainless hoses for the 4 corners. Some vendor kits come this way.
I buy a lot of stuff from RockAuto, and have only been burned on returns once or twice, when I waited to long to return something (NOT RockAuto's fault, my mistaken order). I don't know if they sell Lonestar rebuilds, though. Zip does, and that's what's on my 79. On my 80 are DIY rebuilds with CSSB Inc. high-heat kits, and G3 epoxy (pictured wet below, it dries smooth).
Last edited by barkingrats; Jan 15, 2024 at 03:43 PM.
Or buy new Wilwood, Brembo or AP Racing calipers, depending on your car's expected use.
The problem with the cast iron bores, as they came from GM, is that any moisture will rust the bore which compromises the sealing so that the calipers begin leaking brake fluid. The problem starts in the section of the bore between the outer bore seal and the inner piston seal. This area does not have any protection of brake fluid (as minimal as DOT 3 & 4 offers) so any moisture that gets past the outer bore seal quickly corrodes that section of the bore, causing an extremely poor surface for the piston's seal to ride against as the pads wear. Any moisture in this area is transported inward by the back and forth movement of the piston during regular use which introduces an easy route for moisture to get into the fluid where it rusts the deepest part of the bore. It's a nasty self-deteriorating situation that stainless sleeves all but eliminated.
Found under the crud.
Last edited by MarkW68; Jan 21, 2024 at 10:14 PM. Reason: Clarification















