Okay, here it goes. Just put on a 8 rib 1000 on my 89 and I am looking to go with the larger crank pulley for boost. What am I going to buy? Do I go to a junkyard? What year truck am I looking for? Also, the crank pulley measurement that I am getting is 7" on the one that came from paxton. Also, some threads are mentioning a 6.5" pulley? If someone would give me detailed instructions on what to go after I would appreciate it? I do have the 8 rib, that is something else that I didn't see anyone specify, are the f150's 8 rib or 6 rib or ???? Please pardon my ignorance on the subject, but I have read so many posts I am confused....thanks so much.
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