Fueling & Injection - 2002 lq4 6litre injectors maxing
05-01-2012, 10:07 PM
We have transplanted a 2002 lq4 from a 3/4 2wd with 3'' dual exaust and thumper cam, no other mods.i have recorded a log of data and noticed that around 5600rpm the injectors are at 99% and fuel pressure is at 60psi, what size is the stock injectors? and what size should i use if to small? are the stock that small that only the small mods that i made have pushed the injectors to the max?
05-02-2012, 12:21 AM
Iirc lq4 have 24 ish lbs injectors. Your duty cycle sounds about right with a cammed motor on stock injectors. Any plans for FI down the road? If so may think about doing #60 now. And if it matters my old cam only ls1 was seeing 120% injector duty cycle.
05-02-2012, 05:03 AM
no plans for anything more, thinking 42 upgrade, i do have almost new 42 that i hade on my ls1 2002 camaro, they are racetronix tri-cone spray, wonder if i can adapt them, the plug in is not the same.any help would be apreciated.
05-02-2012, 05:05 AM
part # for the racetronix i have are O1D030X, only 1 summer use on them,
05-03-2012, 10:38 AM
looks like my racetronix are not going to fit. any suggestion
05-03-2012, 12:15 PM
looks like my racetronix are not going to fit. any suggestioncall me we have 42 drop ins
05-03-2012, 03:50 PM
i did call, good price , just waitting for the boss to give me the OK
05-03-2012, 03:53 PM
i got my last injectors from you's. was exactly what i needed and fast service, that is why i called again.
05-03-2012, 06:01 PM
i got my last injectors from you's. was exactly what i needed and fast service, that is why i called again.thank you!
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