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Originally Posted by 88 Sleeper Coupe

What can you expect to gain by going to explorer heads over the stock GT heads?

One of my combos in the cobra was the OEM GT-40 irons, OEM cobra intake, b cam and 1.7 rockers

I put down somewhere around 253-255 rwhp with that combo. I would guess with the explorer intake it would be somewhere around 245ish. I couldn't tell you what the 1/8 mile times were because I never look at the 1/8 section of a timeslip. I can tell you that on street tires it was good for around 13.40's in the 1/4