Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

need help with power

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Old Apr 14, 2007 | 3:15 AM
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dmicgrif's Avatar
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Default need help with power

just bought a 98 4door. put glass pack duel exhaust on, sounds great but i thought i would have more power. should i get a intake or is there something else out there that will help with the power.and withthrottle body spacer do those really help or hurt the engine?
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Old Apr 14, 2007 | 2:46 PM
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Default RE: need help with power

Most go-fast goodies do little (to nothing) to actually increase power across the RPM scale, and the ones that do enhance power usually rob Peter to Pay Paul; that is: they move power from low RPM ranges to higher RPM ranges where you rarely run the truck.

My first thought if you're working on an on older (1998) is that the truck probably has some miles in it and could probably benefit from an overhaul, once inside you can do a few things that will actually help out such as a port and polish, a roller cam, bump the compression and bore out the cylinders and things such as this.
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Old Apr 14, 2007 | 9:29 PM
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Default RE: need help with power

my truck only has 65000 miles some what low.
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Old Apr 14, 2007 | 10:00 PM
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That is low, install a supercharger and keep the boost under 6psi.

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Old Apr 15, 2007 | 12:23 AM
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Default RE: need help with power

ORIGINAL: ZX1100F1

Most go-fast goodies do little (to nothing) to actually increase power across the RPM scale, and the ones that do enhance power usually rob Peter to Pay Paul; that is: they move power from low RPM ranges to higher RPM ranges where you rarely run the truck.

My first thought if you're working on an on older (1998) is that the truck probably has some miles in it and could probably benefit from an overhaul, once inside you can do a few things that will actually help out such as a port and polish, a roller cam, bump the compression and bore out the cylinders and things such as this.
I agree with ZX on his recommendations.

Also, the programmers offered by various manufacturers really shine in diesels, but are not really worth it in gasoline powered engines. I would only get one if you were reprogramming for aftermarket wheels.

Another note. I put a big diameter exhaust on a mid nineties 5.7 V8 Chevy and actually lost power because I had little back pressure.
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Old Apr 16, 2007 | 2:46 PM
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Default RE: need help with power

would love to get a supercharge, but the coast guard does not pay a whole lot. so i have to save over the summer.
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