Well ive been reading numerous threads on here for hours trying to come up with set up. I dont want shorty headers so i think im guna go with the regular GT40's. The ones that came on the early model V8 explorers. Then ill have those ported out like crazy. Whats the valve sizes stock on those? What kind of power can i expect from a fully ported set of GT40's? Plus it helps that my uncle owns a head machine shop so i can get them done fairly cheap.
The heads that came on early Explorers are the GT-40P heads!(Have weird sparkplug angle, requires special headers)
P stands for production, Regular GT-40 heads were NEVER installed on explorers!
My '83 GT ran email@example.com with D8OE heads,( late 70's vintage junk, FREE)home gasket matched/pocket ported.
Milled .045" for compression and sized for 1.84" Int + 1.54" Exh. valves.
650 Holley, EDEL. Torquer 2 Int.,1" open carbspacer,.448" Int @204 Deg.472" exh@ 214Deg cam. 11/2" longtubes into 21/4" dual exh. 9x28" MT slicks and a 4.56 gear.
You don't need aftermarket heads if you keep the weight low and optimize your chassis.
Think NHRA Stock Eliminator type mods.Those guys regularly run in the 11's with minimal mods to the motor and a highly refined combination. AKA lots of test and tune!YEAHHHH!