TBI question

cabopeter wrote:

AndyW wrote: > Anyone know of any good sources for ported/bored throttle bodies/parts for a > 1994gmc k1500. Looking to rebuild mine and upgrade to an adjustable pressure > regulator. > Thanks. > Andy Try this site, http://www.cfm-tech.com/TBI_Performance.htm

THis aside, you will gain more HP and responce if you upgrade the intake on it as stock factory unit does not flow well at all no matter what TBI unit you put on it. Elderbrock makes a nice one for it.
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SnoMan wrote:
> "cabopeter" wrote:
> >AndyW wrote:
> >> Anyone know of any good sources for ported/bored throttle
> >bodies/parts for a
> >> 1994gmc k1500. Looking to rebuild mine and upgrade to an adjustable
> >pressure
> >> regulator.
> >> Thanks.
> >> Andy
> >
> >
> >Try this site, http://www.cfm-tech.com/TBI_Performance.htm
>
> THis aside, you will gain more HP and responce if you upgrade the
> intake on it as stock factory unit does not flow well at all no matter
> what TBI unit you put on it. Elderbrock makes a nice one for it.
>
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I do agree with that, over the last 7 years on my 1990 c-1500 5.7 CI I
have slowly replaced the Intake manifold, cam, chip, exhaust, aluminum
heads, and so on. After 180,000 miles I replaced the TBI with a rebuilt
stock unit. The main improvement with the new TBI was it idled better
and that is about it.
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