Pullies
 

A few questions:
What size are the stock pullies for a 93 5.0?
What is a common size for underdrive pullies?
Where would I find this info?
Thank you for any help/replies.

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KidNotch4793
1993 LX 5.0 Notchback
Eddlebrock intake,K&N, 70mm,Underdrive pullies, Jacobson ignition, Borla,3:73's, Subframe connectors, Hurst shifter, Centerforce, Saleen Wing, Cobra Badges.

The stock crank pulley is 5.85" diam.

The aftermarket crank pulley is 4.5" diam. (smaller for the race version).

Hope this helps.

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'91 LX
Procharger, 3 row intercooler, extrude honed Cobra intake, Mac full Length Headers, 30# inj., 73mm C&L, 75mm tb, E303 cam, 289 rods, ported E7 heads, MSD, T-Rex w/255 lph Walbro, 5 lug conversion, Cobra R wheels, 3.27 gears and Moser Axles.