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Re: Common performance-minded FAQs about 88-98 OBS trucks
Quote:
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Originally Posted by hunt4240dw
I am new to this Forum. But it is awesome! I have a 99 Tahoe 4x4 with 5.7, 3.42. Fram Air Hog, Flowmaster 50 SUV, and a custom tune from MGS Custom. All in all, I think I have gained 60 HP on 91 octane tune. I am thinking of adding Edelbrock Headers to add HP/TQ.
How should should I expect?
I tow a 6400# travel Trailer. I am getting 11 mpg in 3rd but would like to stay out of the throttle a little more. I have a ScanGauge II to monitor my engine preformance.
David
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get 3:73 or 4:10 gears..
92 excsb,3"bl,2"blocks\w tbar crank,cherry bomb extreme muffler,diy tuneing,315 terra grapps,4:56 richmond gears,lock-rite locker,16x8 AR nittro's,msd 6al,msd coil,msd dizzy,msd super conducter 8.5mm wires,and lots more 
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