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02-22-2005, 02:55 PM
| #1 |
| Junior Member Join Date: Feb 2005 Location: Moore,SC
Posts: 7
 |  89 Silverado Hand Tune I was wondering if there is any way to adjust my truck's horse power without buying anything to add to it? I have an 89' 1500 4X4 automatic 5.7L |
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03-04-2005, 06:59 AM
| #2 |
| Junior Member Join Date: Mar 2005
Posts: 3
| haha....sure man...but nothing is free..but here is some ideas http://www.thirdgen.org/newdesign/te...imatetbi.shtml http://www.thirdgen.org/newdesign/te...matetbi2.shtml i have the same truck as you, and i did the TBI mods, flipped the lid, and made the fuel pressure regulator adjustable....also installed a air/fuel guage to adjust it. this is about all you can hope for. got to fullsizechevy.com to get more ideas |
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