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Discussion Starter · #1 ·
I swapped in a 100 MPH guage clusterout of a 77 RC into my 79 PW. The speedo seems accurate, does any one know if it is? Or am I gonna have to get someone next to me and see? Also what about the gas guage, it to seems right on but I don't wanna run out when it reads 1/4 tank. Thanks in advance!
-stew-
 

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Best way to be sure is to have someone pace you, and call you on cell phone to give you speeds. Your speedo may not be accurate at all speeds so you have to verify to be sure.

Mac
 

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Regarding the gas gauge, find out what size tank you have and then fill it. Let your gauge run down to half full, then fill it. If you pump in half of what your tank capacity is then you are ok. Repeat the above for a quarter. If it seems accurate to this point then it just depends if you want to take it to E and then do a fill up.
 
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