I got a 87 mustang gt.. i got rid of stock head and bought a gt40p! do i need to redo the value and ported? or just put on engine as it is? lemme know.. i was told it more cheaper than buying 3000$$ heads... i was gonna use it for street for a while to get a feels on it.. then one day swap it to drag racing.. so lemme know thanks!!! stang rulzzzS!!
GT-40p!
- Thread starter 87mustangfoxy
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Vinnietbird
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- Jun 2, 2005
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The GT40-P heads are great as they are, although for any performance use at all you'll need to install better valve springs. Posted with a valve job is even better if you have the budget. Springs are a must. I use BBK unequal length shorty headers with 90 degree plug boots. Due to the different spark plug angle you'll need Ford racing headers made to accommodate these heads, or as I stated, get plug wires with 90 degree plug boots and you should be fine if you have unequal length shorty headers. Equal length can be a mild nightmare. The heads themselves, though are great.
