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SportTrac Discussion
Engine & Drivetrain
Supercharger installed
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<blockquote data-quote="Bill Barber" data-source="post: 912084" data-attributes="member: 57910"><p>actually the M90 is perfect for the 4.0, up to about 5 lbs of boost, very reliable and they Whine like a scalded dawg.</p><p></p><p>you can have them ported and with the right pully they will make 10 lbs, but they get hot real quik.</p><p></p><p>You do not want to exceed 5 lbs on the 4.0, engine will not handle anymore in OEM form.</p></blockquote><p></p>
[QUOTE="Bill Barber, post: 912084, member: 57910"] actually the M90 is perfect for the 4.0, up to about 5 lbs of boost, very reliable and they Whine like a scalded dawg. you can have them ported and with the right pully they will make 10 lbs, but they get hot real quik. You do not want to exceed 5 lbs on the 4.0, engine will not handle anymore in OEM form. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Supercharger installed
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