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<blockquote data-quote="bmfgsxr" data-source="post: 4188203" data-attributes="member: 39555"><p>like was mentioned you just need to get a bigger lower pulley, new plugs, and a handheld programmer with custom tune on it.. and really you want to get a bigger maf too. the stock one on the 99/00's is 80mm's, after that they went to 90mm's. even on the 90mm maf, if you go larger than a #4 lower pulley (this equals 4 more lbs. of boost over stock) then you might peg it out.. and you dont want unmetered air in your L. these trucks respond very well to boost increases, but if you dont do it right you can blow your shit up.</p><p></p><p>with a #4 and no port you would probably be looking at about 390hp/490tq at the rear wheels (approx.). with a #6 you should be looking at about 400-405hp/500+tq. but you will need a custom dyno tune with the #6 where as you can get away with a canned tune on the #4</p></blockquote><p></p>
[QUOTE="bmfgsxr, post: 4188203, member: 39555"] like was mentioned you just need to get a bigger lower pulley, new plugs, and a handheld programmer with custom tune on it.. and really you want to get a bigger maf too. the stock one on the 99/00's is 80mm's, after that they went to 90mm's. even on the 90mm maf, if you go larger than a #4 lower pulley (this equals 4 more lbs. of boost over stock) then you might peg it out.. and you dont want unmetered air in your L. these trucks respond very well to boost increases, but if you dont do it right you can blow your shit up. with a #4 and no port you would probably be looking at about 390hp/490tq at the rear wheels (approx.). with a #6 you should be looking at about 400-405hp/500+tq. but you will need a custom dyno tune with the #6 where as you can get away with a canned tune on the #4 [/QUOTE]
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