Injector lb raitings.

[Z26-T]

Anyone have a listing of what cars have what lb injectors?

3.8 Supercharged are 36 lb
Are trailblazer injectors 42.5lb?

[bob442]

yeah, and color codes...

[Z26-T]

yeah, and color codes...

Yeah as in you have them or wanting a list as well?

[bob442]

Wanting a list, sorry. I've googled quite a few times trying to figure this out. I found out color codes for TBI, and Fords, but thats it.

its pretty sweet though.

http://www.export-auto-parts.com/pdf_files/List-Fuel%20Injectors.pdf

[Z26-T]

From what i gather, the color codes aren't accurate... Obviously most accurate way is part #s

http://bstuff.com/index.php?showtopic=68050&st=0&start=0

[3400-95-Modified]

Trailblazers are only 28lb/hr Not sure at what PSI though, I've heard 55 up to 63... so I'm unsure on which was used for that application.

[Z26-T]

Trailblazers are only 28lb/hr Not sure at what PSI though, I've heard 55 up to 63... so I'm unsure on which was used for that application.

55 up to 63 psi?

[3400-95-Modified]

Yes I'v heard the injectors flow 28lb/hr at 55psi... and I've also heard that they flow 28lb/hr at 63 PSI... Thats what I mean by up to, as in a range of pressures I've heard that result in the same flow... hence the confusion on the actual flow.

[AaronGTR]

No colors for most GM delphi or bosch injectors. Most are black, and a few are white. Most accurate way of determining what they are is by part number.

'99 and earlier 3400's used 19lb/hr bosch style injectors (possibly 3100's as well). '00+ 3400's used 22.5lb/hr delphi style injectors (rated at 55psi). Trailblazer injectors are 28lb/hr delphi style (@ 55psi). GTP injectors are 36lb/hr bosch style, but not sure what pressure they are rated at. ZZP claims they are actually 33lb/hr, but that may be at normal pressure. Lucas 42lb/hr injectors will work, as will Motron 60lb/hr injectors. I'm sure there many others that can be adopted, and RC engineering has a bunch of bosch style injectors that will drop in, in various flow rates, if you're willing to pay the price for them.

[Azrael]

The older Multec I's have colour bands. Red I think is 19 lbs/hr and Green is ~18lbs/hr @ 43.5 psi.

[prophiseer]

No colors for most GM delphi or bosch injectors. Most are black, and a few are white. Most accurate way of determining what they are is by part number.

'99 and earlier 3400's used 19lb/hr bosch style injectors (possibly 3100's as well). '00+ 3400's used 22.5lb/hr delphi style injectors (rated at 55psi). Trailblazer injectors are 28lb/hr delphi style (@ 55psi). GTP injectors are 36lb/hr bosch style, but not sure what pressure they are rated at. ZZP claims they are actually 33lb/hr, but that may be at normal pressure. Lucas 42lb/hr injectors will work, as will Motron 60lb/hr injectors. I'm sure there many others that can be adopted, and RC engineering has a bunch of bosch style injectors that will drop in, in various flow rates, if you're willing to pay the price for them.

Nice - didin't realize the 3400 piezeos were 22# . . . I might go that route instead of purchasing another set

The 3400 bosch-style injectors rated at 19# run 45-50psi. The older 3100s (prior to '99 or 2000, not 100% sure) use 17# bosch-style injectors at 40-48psi.