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-   -   Need more Power-1983 Z28 (https://www.gtcarz.com/chevy-gmc-70/need-more-power-1983-z28-114851/)

mpe331lx 02-23-2008 09:33 PM


Originally Posted by Smokingss (Post 229600)
if its all original, you should still have the computer controlled quadrajet carb. that cars kinda works hand in hand with the factory distributor. If you switch to a plain aftermarket carb, you should also swap out the dizzy to an aftermarket of non-computer controlled one.

It may have crossfire injection. It could be had on the 82-83 Z28s along with the computer controlled carb.

It is unlikely that you will get a 305 to perform good enough for you to be happy with it.

You could build a mild 350 on a budget that would be around 400 flywheel HP with an assload of torque .

9.5:1 Compression
Vortec heads (upgraded valve springs)
Performer RPM air gap (for vortec heads)
Comp 262H cam and lifter kit
Comp Roller tip 1.6 rockers
holley HP or demon 650-750 carb
Vacuum advance HEI distributer
Shorty headers/ 3" catback
Take out 3 series limited slip carrier and a set of 3.73's

archemedes 02-24-2008 11:35 AM

plugs and wires, just get a good set of name brand plugs (autolite bosche, delco, ngk, or champion) and a set of msd wires, if not using boost or nitrous go ahead with the platinum they last a bit longer, and do offer a little better performance


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