#1 permalink
Apprentice
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Houston
Texas
P heads vs. Aluminum gt40 Heads I am debating buying p heads for my gt 5.0 (89) for $500.00 or gt40 aluminum heads for double the price...any ideas??? are the aluminum gt 40's that much better than the p heads??
#2 permalink
Made Member
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King
North Carolina
i dont know, but i know that p heads come on v8 explorers stock
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1983 Mercury Capri - 351w, c4, aluminum heads, huge list of mods2004 Subaru WRX Impreza - MR catless uppipe, MR 3" catless DP, 2.5" custom DP back exhaust sans muffler and resonator, Cobb AP Stage 2 maps installed.
#3 permalink
Top Dog
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Edinburg
Texas
why not get some AFR heads for double the price ?
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89 GT Hatch: Custom M90 Supercharged w/ Ported Trickflow Trackheat Heads, Stage 1 cam, Streetheat lower / Sheet metal upper, Tweecer RT & PLX Wideband, 75mm TB, 1.6 Roller rockers, 3.73s, MSD 6a, Canton 7qt Pan+ Windage tray, 36LB Injectors, 200 amp Alternator, 75mm Pro-Mas MAF, 190lph fuel pump,Spec Stage 1 Clutch,SouthSide LCA's, Pro 5.0 Shifter, Steeda CC Plates / Springs, FMS Aluminum Driveshaft, New T5 w/ 2.95 first gear, Underdrive pullies, Zirgo 3300Cfm Elec. Fan, AFCO alum. radiator
#4 permalink
Rookie
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this is a little bit off topic, but it has to do with heads, Why dont you just port the stock heads???
#5 permalink
Top Dog
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Edinburg
Texas
porting stock castiron heads can only take you so far and they weigh A LOT vs AFR or other brands aluminum versions.
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89 GT Hatch: Custom M90 Supercharged w/ Ported Trickflow Trackheat Heads, Stage 1 cam, Streetheat lower / Sheet metal upper, Tweecer RT & PLX Wideband, 75mm TB, 1.6 Roller rockers, 3.73s, MSD 6a, Canton 7qt Pan+ Windage tray, 36LB Injectors, 200 amp Alternator, 75mm Pro-Mas MAF, 190lph fuel pump,Spec Stage 1 Clutch,SouthSide LCA's, Pro 5.0 Shifter, Steeda CC Plates / Springs, FMS Aluminum Driveshaft, New T5 w/ 2.95 first gear, Underdrive pullies, Zirgo 3300Cfm Elec. Fan, AFCO alum. radiator
#6 permalink
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Southwest
Indiana
The P heads need special headers, unless you don't mind burning the boots off your plug wires all the time.
P heads vs. Aluminum gt40 Heads 
