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Cobb · 06-14-2014, 02:56 PM

Once a diesel starts to smoke, you still get performance gains, but they start to drop off fast. You need something extra like propane or NOS to go with the extra fuel to keep the power coming.

06-14-2014, 02:56 PM	#36 (permalink)
Cobb Master EcoModder Join Date: May 2012 Location: USA Posts: 2,643 Thanks: 1,502 Thanked 279 Times in 229 Posts	Once a diesel starts to smoke, you still get performance gains, but they start to drop off fast. You need something extra like propane or NOS to go with the extra fuel to keep the power coming.