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16 Posts
Discussion Starter · #1 ·
In another post, someone mentioned a ERA thing from Abbott to correct the speedo and odometer issue. What is the ERA thing and where can I get one? All 3.8 mustangs deserve a 410.
 

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16 Posts
Discussion Starter · #24 ·
Installed 23 tooth gear today. Speedo seems to be accurate in the 20's. Between 30 and 50 it is about 6.4 fast and between 55 and 70 it is almost 10mph fast. Odometer still seems to be off. It may vary with speed also. Did not check. Engine still cuts out at 3k rpm. Damn chip.
 
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