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  #21 (permalink)  
Old 08-24-2020, 08:39 PM
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Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
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A few years ago Gene brought his 64 Plymouth and asked me to change the brake fluid to Dot 5. I did and a month later he returned and ask me to change it back to Dot 3/4 because the breaks were to spongy. So back to Dot 3/4 and he has been happy for several years.

I think that in Cobras we need to change the fluid every three or four years.

Mike brought his Cobra in and wanted me to work on the brakes. I did a test drive and they were BAD. You could not stop that car in 300 ft (well maybe 100) but it was scary.
I took it back to the shop and changed the fluid. Then I could slide the tires. Never have I seen such a huge change in brakes.

I use Dot 3 or 4 synthetic brake fluid in all my cars.
''Life's's even tougher if you're stupid.'' ~ John Wayne
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life's goal should be; "to be smarter than inanimate objects"
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  #22 (permalink)  
Old 08-25-2020, 07:18 AM
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Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
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Originally Posted by FredG View Post
My C2 corvette used DOT 5 as per their recommendation when I swapped out the calipers for ones that were stainless steel sleeved. Corrosion was a problem in the originals.
Mine too - never noticed any issues from it. Less stressful when the inevitable caliper piston seal gives out and I have to rebuild a caliper. At least I donít have to worry about fluid eating up the paint on my detailed chassis. But I do use DOT 4 in my ERA.
ERA 782 Running]
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  #23 (permalink)  
Old 01-12-2021, 07:09 PM
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After reading through all the replies (some were interesting) I still don't know if 760 lbs pressure at the caliper is good or not. Any help on this issue?????
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