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95 S_Trucker · 11-14-2017, 09:10 PM

I have five-o injectors and a black bear tune, it did great with power but didn't make a difference in fuel economy(at least for me it didn't). It really did wake it up though.

11-14-2017, 09:10 PM	#6
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,178	Re: What Tire size to Run with 4.10s I have five-o injectors and a black bear tune, it did great with power but didn't make a difference in fuel economy(at least for me it didn't). It really did wake it up though.