1988 Astroglass Speedometer Upgrade

mgoodling44

Cadet
Joined
Aug 20, 2017
Messages
21
Recently purchased this. Looking to upgrade to a more accurate speedometer. Current version is the pilot tube type. Is there a compatible upgrade to use in place of the pilot tube?
 

flyingscott

Fleet Admiral
Joined
Apr 8, 2014
Messages
8,229
No such thing as an accurate boat speedometer the best they do is get you in the ballpark. For accurate speed measurement a GPS is the only way to go.
 
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