what engine is in
02-13-2009, 04:15 PM
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the 99-04 Mustang GT 4.6L is identical to F150 4.6L, that being the PI engined ones. The only difference is the intake manifold and the oil pan and minor accessory stuff.
02-13-2009, 09:04 PM
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as for performance....my car weighs in at 3650lb without me in it. Ive got the motor listed, 3.73s, and a 2400 stall convertor, 2.5in compression bent exhaust with no cats. Among a few other small things with a really good ECONOMY tune. My friends 91 GT 5spd with some minor **** runs just a bit slower than me....take away what you want about performance. But, there are N/A performance limits to the 281 CID, after going big bore and 4V heads, it will make power to 7000 rpm.