3923's are 1 range colder..... stock is 3924. Gap them .035-.040
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Jon Smith--Raleigh, NC
www.fast4x4.net
jon@fast4x4.net
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
-> Hey gonna do some mods to try and better my 10 MPG!
-> Installed K&N drop in filter,5w-30 Pennzoil Synthetic,45 psi in my
-> tires.
-> Now got the 3923's , but I found out they are 3 or 4 heat ranges cooler
-> than origional plugs.
-> Should I put them in anyway? .040 Gap?
-> Thanks
-> Great site!
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