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Old May 14, 2007 | 01:49 AM
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Just wondering what lb. injectors the ls1 has stock, and what lb. injectors would be good to upgrade to??
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Old May 14, 2007 | 01:52 AM
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28#'ers in the 98's. Upgrade size depends greatly on what you plan on doing. Probably wouldn't want to put 60#'s in a cam-only car, and wouldn't want to put SVO 30's in a TT408.
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Old May 14, 2007 | 09:50 AM
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Originally Posted by 71-Camaro-98
Just wondering what lb. injectors the ls1 has stock, and what lb. injectors would be good to upgrade to??
for a little while they had 26#ers
then they had 28.8#ers

what power you looking to make, most cars around here that are 450HP will be fine on some 42# injectors (rated @43.5psi) or 50lb injectors


60# mototrons WILL NOT WORK unless you got some serious mods and some serious idle airflow to take advantage of that huge of an injector. or unless you want a really rich idle. I tried them on my car
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Old May 14, 2007 | 02:06 PM
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I am looking to do full bolt ons, and heads and cam, and some other stuff in between so probably right around that range of 450hp.
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Old May 19, 2007 | 03:19 PM
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My car has 450rwhp and it still runs the stock injescors however they are maxed out completely. Im upgrading to 42lb. injectors and the Racetronics fuel pump.
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