Ummm...If your goal is to be able to beat Z28's the 302 is well capable of that just cause a 351 has more displacemnt doesnt mean it would be a bad *** out the box.
but to each his own.
When you start talking about engine building there are endless possibilities and combos you can choose any number of ways to achieve your goal.
You say you want a 351 so you will be on par with Z28's.
I have a friend that has a 289 and he is on par with vipers.
Hell ricers are running 11's all motor now.
If I were you I would just build up that 302.
What ever you choose good luck

! There are lots of mean 351 crate engines out there
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88 mustang gt convertible bored to 306 BBk equal length headers, mac cold air fender kit, 3.73 FMS gears, Steeds Tri-ax shifter, Steeda underdrive pullies, Custom off road X-pipe, 2 chamber flow masters, cowl hood, nitto drag radials, ford racing clutch, 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs. (Best E.T. 14.79@93mph @3000ft)
[This message has been edited by 5.0 HO (edited 10-12-2001).]