Join Date: Apr 2008
Location: Beeville, TX
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If you pull off the left valve cover, you will see that the model # on the top of the injector is different.
I just did injectors on a 2001 model truck, and put in all AD injectors, instead of the AE in the #8 hole. It does seem to cackle a little more when cold, but quiets down when it's warm. I forget why I did that though. Seems that I remember people saying that it was better for the longevity of the #8 injector to use a standard one in that hole. The only down side is the cackle at idle. A high pressure cross-over would probably solve that problem.
Eli Benson - EMT, Ambulance Mechanic
'08 F350 Dually KR - Spartan'd
'07 F250 CC SB 4x4 XLT - SCT /w Innovative Tunes
4 '09 & '10 E350 6.0l ambulances
1 '08 Duramax 6.6 (LMM) van ambulance