85 with 87 running gear

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nboost

Member
Joined
Nov 9, 2003
Messages
113
Hey guys. My car is a 85 Gn with 87 running gear. I have the digital dash, wish I had the analog one instead but ohhwell.
My question is, Has anyone ever had a prob with the digital dash keeping up with you as far as MPH goes? I put a th-400 in and had the speedo gear all matched up and seems to work fine at regular speeds. When i get on it though, it has trouble keeping up.
 
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