I went to turbocity.com and saw that they had a "rebuilt" tbi that claims to allow 10 to 20% more airflow. It costs 230 and i was wondering if this would be worth my time. If so, would i notice any significant difference or no..thanx for the help in advance

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1991 Camaro RS (Red)
-TTops
-Custom quad exhaust
-Edelbrock 14x3 open air element

 

the "rebuilt" TB that they sell is little more than a unltimate TBI unit. it is easy to do on your own and can be completed with only hand tools in about 10hours. you will notice a gain in top end power. some people have gotten a tenth at the track by doing it.
i would take that money and buy a performer TBI and take the time to do the TB myself.

lata
tim

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91 Camaro RS-LO3,Auto.
14.209@95.46mph
Best 60' 1.917
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I asked them about their throttle bodies and was told that they flow 590 cfm. For $230, you might as well buy abrand new Holley unit for $300 and get a unit that flows 670 cfm. 590 is all you might need now, but after some more mods you will want the better flowing unit.

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'87 Silverado
350 4 bolt main bore .040 over
TB Injected
Ported and Polished heads
Comp cams 268h cam and top end
Flowtech headers
3.73s on Detroit locker