I got a fan switch (for the passenger side head) from a parts store but it is to small.. I just had the engine rebuilt and put on some S/R Torquer heads. I'm not sure if its the correct one for the old heads or if the new heads have a bigger hole because the did not give me the old switch. Does anyone know what size treads the stock one is?

Thanks

 

Should be 1/2 NPT



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60 Ranchero - Project ( Money Hole )
85 Sport Coupe LG4 - Daily Driver

Just another Hot Rod kid, or thats what they all tell me.
Livin' the Stereotype