Well it takes a lot more to make a 351 run as compared to a 302. The 351 is a lot harder to get to rev as quick, therefore you need a larger cam, one with more lift, such as a .512 or even up to .540. But with the high lift cam you will need a stall converter if you run an auto. The 600 cfm carb needs to be replaced with a 750. As far as gears, 3.73's is definately a must.
89 LX, 306, 10:1 compression, Holley Systemax II kit, 70 mm throttle body and MAF, 1 5/8" full lengths, centerforce dual friction clutch, 4.10 gears
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