LT1STRTOKER

iTrader: (1)

I JUST SWAPPED ENGINES AND AM CONCERNED OF INJECTOR SIZE, DOES ANYONE KNOW WHAT INJECTORS ARE RATED AT IN 2008 GMC DENALI 1500 WITH 6.2 ENGINE. THE NEW ENGINE IS A LS3 BASED 427. ANYBODY KNOW WHAT INJECTOR I ACTUALLY HAVE, THINKING ABOUT GETTING A SET OF
60LB INJECTORS IF I DONT HAVE ENOUGH INJECTOR ALREADY. tHIS IS A NON FLEX FUEL VEHICLE TOO.
THANKS GUYS

BrutalSierra

iTrader: (1)

39lbs i just read somewhere for the L9H

cam

iTrader: (9)

Stock L92 injectors are 31lb and stock LS3 injectors are shared from the LS7 so they are 41LB

pl4yboy

iTrader: (1)

Most 6.2s from trucks these days are flex-fuel. A 31lb injector is too small for a 5.3 on e85 (the flex fuel 5.3 uses a 34lb). There's no way its enough for a 6.2. Also, looking at my IDC, I'm around 55% at WOT with a cammed, stalled, FBO 6.2. I would venture to guess they are 39+ lbs.

Edit: A 10 second Google search shows that they are 39/40 lb at 58 PSI. 34lb at 43 psi.

cam

iTrader: (9)

I didnt think 08's were flex fuel? I thought that started in 10 am I incorrect?

pl4yboy

iTrader: (1)

I don't know to be honest. I know that Zach had to get bigger injectors on his LY6 intake and its a 2009 model. The posts I found were from 08-09.

cam

iTrader: (9)

Im not certain either but I am certain that my 07 Denali 6.2L had 31lb and I bought an LS3 intake with injectors and they are 41lb. I know the flex fuel stuff has a much bigger fuel system but I "thought" that began in 2010. Curious to see if anyone else has knowledge of such here

MyLS1Hauls

iTrader: (2)

No L92s were Flex Fuel. The L9H and the L94 (DOD version) are Flex fuel though, which started in 2010 I believe. The L92 has 30# injectors...Wayyy too small for a 427ci motor.

pl4yboy

iTrader: (1)

Since when is there a DOD 6.2?

stevensLS1

iTrader: (2)

Lose the caps lock man! LOL

I would say get the 60s depending on what your future plans are with this setup. Might be over board or not needed right now but better than doing it twice.