3800 Do I need 42.5 injectors?

[imported_Diavolo]

My IPW max at 22. I don't know when I will need to switch from the stock (36# ?)

I have had some erratic 02's also. 3 days ago I was around 890. Today I am up to 990. Probably has nothing to do with the injectors though.

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[sr71_rgl]

Originally posted by Diavolo@Feb 28 2004, 06:57 PM
My IPW max at 22. I don't know when I will need to switch from the stock (36# ?)

I have had some erratic 02's also. 3 days ago I was around 890. Today I am up to 990. Probably has nothing to do with the injectors though.

The eratic O2s were caused by the temp diff we've seen in the last 3 days. It was a lot colder 3 days ago than it is now meaning more 02 and more fuel necessary for the colder temps. Id say you don't need em. 22 isn't all that bad and if you're at 980 in 50* air temps with the same A/F settings imagine how rich you'll be come may/june.

 

[JEFFSGTP]

I agree you are fine you don't max them out until you hit 23+ and even then if you are getting no KR at wide open throttle I don't see it being a problem. I range from 18-21 with my 3" on