Re: 30# injectors

[Shannen Durphey <shannen@grolen.com>]

I pulled a set of red tops, which I believe checked out to be 30 #ers,
from a 90 Vette with TPIS intake.  The ecm was stock and they appeared
to have been in there for a while.  

Talk about a poorly set up system...
Big injectors, bigger cam and/or larger ratio rockers, aftermarket
chip, adjustable regulator, no cats or air pump, all the "magazine
stuff".  Ran too rich at low speed/load, fuel pressure was turned down
to 28 psi @ idle, 3 attempts at pulling fuel outta the chip still
didn't look promising.  Finally installed 24 lbs/hr injectors, raised
fp to stock, and put "original" aftermarket calibration back in. 
Still not finished, but at least the small animals in the area aren't
getting killed by the exhaust.

Shannen


Marc Piccioni wrote:
> 
> I'd like to know if 30#/hr Ford Motorsport injectors are:
> 
> 1) the right impedance for a '730.
> 2) sufficient to feed a 383 ci (mild street motor).
> 3) will physically fit a early TPI mainfold and fuel rails( the base has the cold start injector).
> 
> /Marc
> 
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