cam difference between 3.8 and 4.2 - Mustang Evolution

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Old 02-20-2012, 10:34 AM   #1
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cam difference between 3.8 and 4.2

since the 3.8 and 4.2 are same blocks would the cams be the same? I know heads are different but will bolt straight up to the 3.8 .. and the difference between the two engines is the stroke they have 4.2 has longer stroke maybe little bigger pistons but all in all basically same engine ... Would the cam in the 4.2 have bigger lobs to compensate the difference in strokes.. bigger intake and or exhaust lobs
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Old 02-20-2012, 03:23 PM   #2
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Re: cam difference between 3.8 and 4.2

well i've noticed that when i looked up cams for the 4.2 at oreily autoparts it said they were for the 3.8. i think the cams are the same. the 4.2 might have a different cam for more torque since it was in a truck. but any aftermarket cam should fit in either one.
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