GM TBI - 4.3 vs 2.8 liter

[Shannen Durphey]

ibeme at glasscity.net wrote:
> 
> Does anybody out there know if the injectors that go into
> the GM 4.3 TBI and the 2.8 TBI have different calibrated
> flow rates?  I know that the injectors have the same form
> factor and that there's two of them.  If you are careless
> when rebuilding a TBI, you can mistakenly put the wrong
> injectors in - i.e. 2.8's for the 4.3's.  I should think that
> the 2.8's have a lower flow rate for the same open time,
> but I'm not sure.  Anyone out there know?
> 
> Thanks,
> John
Can you see two colored bands where the electrical connector is? 
different colors correspond to different flowing injectors.  Also, many
4.3l eninges had two different flow rated injectors in the same throttle
body.

Shannen