Mac 2002 SS

iTrader: (6)

hey guys,
i just did a h/c installation on my 02 SS and i still have the stock injectors and fuel pump for now. i was wondering how many of you guys are running the same way and if you upgraded ,which injectors did you go with ?

ShevrolayZ28

iTrader: (4)

My fuel system is all stock. My car is 427rwhp. Works fine for now.

Ryan02SS

iTrader: (3)

Stock fuel system here since 03 with the H/C.

jcolews6

iTrader: (1)

At 430rwhp my injectors are running 100% duty. Ive got new SVO #30s coming.

landonew

You will be fine. If you put a N2O shot on then you might want to consider the fuel system, but until then stock fuel system will work.

Mac 2002 SS

iTrader: (6)

man , this really makes me feel better about my stock system. thanks guys.

mvvette97

iTrader: (18)

You want to be careful with the stock injectors. Anything over 80% duty cycle they say the injector will lose the ability to put out the correct amount of fuel. From my understanding when this happens it doesn't go lean like some poeple think but goes rich.. That can be just as bad as lean.. With ported heads and cam mine was at 97% with the stock injectors. I bought a set of the SVO 30s and now it's about 70 or so.

5_02ls1

iTrader: (20)

yeah your 00 has smaller 26lb injectors his 02 has 28s like the 97 98 cars....

davered00ss

iTrader: (4)

You will max them out and then some. You'll need SVO 30#ers.

warp_6

iTrader: (2)

96% at WOT with stk injectors. AFR couldn't match what I was commanding at WOT (going lean). Since put 60# in (Over kill for now). 40% at WOT and AFR is staying in line with what I'm commanding. I'd say 42# would be best choice for H/C only car.

eamador11

you need 30lbs minimum with any h/c setup...lack of fuel at WOT is bad

THEE PEWTER Z™

iTrader: (2)

cam only with a TREX stock pump and injectors i was at 110% duty cycle i upgraded to the ford red tops which are rated at 30lbs under ford fuel pressure

GregWS6&z28

iTrader: (8)

im at upper 90's with 28.8's, spraying 150 wet shot

fotoboy

iTrader: (1)

Ive been running stock injectors w 439 rwhp for over 2.5 yrs wo any issues

BarneyMobile

iTrader: (4)

I dont kno how every one eles is getting away with stock injectors. I still have my stock 00' injectors and they're at 102% duty and Im only making 381rwhp cam only on a small 224/220 cam. Im going up to SVO 30's soon.

BuBbABFP

iTrader: (3)

I am currently running 26lb but I just did my H/C install about 2 days ago, I will be buying 30lb from a buddy of mine.

98blueSScamaro

iTrader: (14)

i maxed mine out look at sig. Picked up some 42 and going back for a retune

socmguy

iTrader: (18)

You should be fine, my cam only setup is making 400rwhp and I've had no issues for 2.5years.

Mac 2002 SS

iTrader: (6)

if i upgrade to SVO's 42lbs injectors , should i also upgrade my fuel pump ?

my tuner did telll me that my car is on the edge but i will be ok unless i add any more mods like nitrous ,bigger cam etc.

once i save up a few bucks ,i'll probably get a set of injectors just to be on the safe side. thanks for all the input guys.

gold98Z28

iTrader: (7)

if you upgrade inj you should upgrade pump, but the 28.8's will support up to 450 rwhp. if you max them around 400 rwhp you are too rich, alot of poeple dont like to go leaner than 12.8afr but you can usually squeek a few more ponies out closer to 13.3afr. at that arf they will support up to about the 450 mark. if you want to keep it at 13.0 then probably about 430 is the max. but i know they will suport that 224 cam no problem if the pump is strong.