You will tell a difference just in the porting. I did it when i rebuilt my motor and i could really tell a difference. I went pretty big but the main thing is to get rid of that nasty air injection port. If you add rockers I would say tou'll pick up 12 to 15 horse just in those two mods i think. let us know how it goes.
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'93 lx notch 4 banger (drive it to work currently), Using the 306, 8.8 posi, 3.73's, summit rear cover. Future Mods Flex-a-lite elec. fan, cowl hood, wieand stealth intake, holley ??? d.p.carb., built t-5, e-303, pulleys, full autometer guages, msd box, mallory unilite dist, and coil, roll cage, ATI procharger kit for carb and then the big motor after a year or two, 408 stroker form a 351.
Dont sweat the petty things and dont pet the sweaty things.
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