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Inj size


Proven Member
Jun 17, 2013
memphis, Tennessee
I'm running 1050 injectors, and runing 10.5s in the quarter. Is that enough to get into the 9s? I see so many people with my set up or similar to my setup, running 1600cc inks upto to 2150. Is there a reason why there running so much bigger?

Vegas Smith

20+ Year Contributor
Dec 2, 2002
Houston, Texas
People buy larger-than-needed injectors because they think if they buy large injectors once then they are covered for life and won't have to buy new larger injectors in 2 years when they upgrade.


10+ Year Contributor
Nov 26, 2007
Uniontown, Ohio
As previously stated a lot of people running the bigger injectors are doing so because they are running E85 which requires more fuel than gasoline. As long as your injector duty is not maxed out then you should be fine, as that is the real deciding factor in whether or not you need to go bigger.


Proven Member
Mar 5, 2007
Elizabethtown, Pennsylvania
How any track is letting you run 10.5's without the rest of your cage welded in is beyond me, none the less, post a log with your setup now and we'll take a look. Thank you for a least giving the "fill out your profile" post from being mentioned..
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