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05-14-2003, 08:08 AM
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Registered Member
Join Date: Mar 2002
Location: DC
Posts: 129
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FMU and Supercharger Pulley Question
Do I need a FMU if I don't have a supercharger installed on my car? I'm asking because, I recently bought a 87 Mustang the came with a FMU already installed and it has an extra rib in front of the crank pulley, which looks like it was meant to run the belt for the supercharger that was once installed. Should I remove the FMU? It seems like my car is running rich, very rich. I get a lot of smoke from my pipes when I pull off from a light.
As far as the crank pulley, does anyone think that I need to replace it with a regular crank pulley, or even a underdrive crank pulley? Am I losing power for having this extra set of ribs in front on my serpentine belt? Thanks for any replies.
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87 GT As of 2/1/06 650 DP Carb Crosswind Intake Edelbrock Performer Heads 97 Explorer Bottomend w/ B-303 Cam 1.7 Roller Rockers Flowtech Longtube Headers Flowtech H-Pipe MSD Black Wires MSD ignition MSD Distributor Blaster 3 Coil Electric Fan Underdrive Pullies T5 Trans Hurst Shifter Lowered 1.5" 373 Gears |
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