Quote:
Originally posted by blk88lx
Just put 3.55's in my car. Haven't got the speedo gear yet. If my speedo says I'm going 40 anyone know how fast am I really going?
Jayson
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Jason. i was in the same boat as you. i had 3.08's and put in 3.55's. if you are reading 40 on your speedo, subtract 10 mph. i have been clocked. by the way. in order to make your speedo correct, Mustangs Unlimited sells the gear assembly for about $40. it is only for 3.55's and a T5 tranny. you cant get just the speedo gear for our combo, i dont think. good luck!