Thread: 1970 Chevelle SS Rear Brake Valve
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Old 07-19-2008, 04:30 AM
blackls6 blackls6 is offline
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Default 1970 Chevelle SS Rear Brake Valve
Why did GM change the rear brake valve?
1st design was part #3980770 with 200 psi, and 2nd design was 3987805 with 400 psi. Was there issues with stopping?
Thanks! John
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