stock injectors
04-14-2007, 04:15 PM
#1
Staging Lane
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stock injectors ive got a 99 vette and wondering if my injectors are too small for a heads and cam setup. the mods are 224cam 5.3 stage 2 heads longtubes, electric water pump, ls2 intake and 90fast intake. i understand that my car has the smaller 26lb but dont know if i need bigger.
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04-15-2007, 07:32 AM
#8
Most suggest to not run over 80% duty cycle. 100% means that the injectors are always on. You can get in the ballpark using an injector calculator such as http://www.rceng.com/technical.htm
If you plan on making more mods, you may want to go a little larger, rather than having to upgrade again later. What ever route you take, a tune will be required or you will run too rich.
Hope this helps.
If you plan on making more mods, you may want to go a little larger, rather than having to upgrade again later. What ever route you take, a tune will be required or you will run too rich.
Hope this helps.
04-24-2007, 06:30 PM
#9
Staging Lane
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thanks guys i knew something was going on when i put my heads on and went to the track. i went quicker but not faster. what i mean is exactly what i said...........i went from 11.9s @ 123 to mid 11s @ 123. seemed to have more down low but run out of breath up top where i shouldve picked up enormously. my 60s are slow due to stock clutch. 1.9s-2.0s
if i know im going to spray dry, should i go as big as 41-42lbers. and if so what brand?
if i know im going to spray dry, should i go as big as 41-42lbers. and if so what brand?
