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Old 02-20-2011, 05:05 PM   #1
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Default how to make more power in a 4.0

Hey guys ive got a 94 4.0L 5sp and i bought it as a winter truck (drive a cammed n2o mustang in the summer) and it wasnt long before i couldnt handle it being stock its got 3in body lift 31x10.50s now but ive got a 6in suspension kit sitting in the barn and a set of 35 and 38 12.50s to pick from. the big question is in your guys experience whats the cheapest way to make power in the 4.0? i realize with anough money you can do anything but starting with the basics working up to forced induction (which im considering) whats some of the more basic things you guys have found for these motors? and if anyones dont the m90 sc im looking for only like 5lbs of boost not a lot so what would i be looking at for something around there? i just need some more torque for these 35s thanks a head of time and sorry i know its a vague question but i dont really know how else to word it.
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Old 02-20-2011, 08:19 PM   #2
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Regear!!! With 35's I'd go at least 4.88's... Really to make power you need to open up the engine and do work... If it's that big of a deal to you swap in a V8... For the price of swapping in a 5.0 you might be able to get the 4.0L to what a stock 5.0L puts out... Putting money into a 5.0L will get you better results anyway... Otherwise, I'd regear and just live with it... There are plenty of people who run 35's on the stock 4.0L...
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