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AngryTaco
05-03-2013, 06:32 PM
Just wanting to know what you guys think I should be shooting for with my stock internals. I'm thinking of low 13s. I finally got the wideband hooked up so I can tune the fuel now.

Curious as to what you guys are running. I'd imagine maybe high 12s if I had higher compression:idunno:

FlyinRyan
05-03-2013, 06:56 PM
Are we talking AFR?

Kotta390
05-03-2013, 07:14 PM
12.8ish will probably be a good start.

AngryTaco
05-03-2013, 07:15 PM
Are we talking AFR?

Yes, sorry shouldve cleared that up.

AngryTaco
05-05-2013, 02:49 AM
So been tuning last couple days. What a difference in RPMs over 4000. Turns out the truck would go insanely rich past 4000 rpm. Like 10.5 AFR rich. I got it up to high twelves until about 4900 rpm where its still low 12s. Almost there! Running 33* at WOT timing and the torque way better now if downshifting to a higher rpm

Five9Dak
05-06-2013, 05:47 PM
My stock longblock likes 12.8 on my wideband. Your wideband might be different.

koolsleeper
05-08-2013, 08:13 PM
When I had my stock long block in my truck I was running consistent 12.1 to 12.2 in the 1/4 mile. That may be due to me having a 750 carb and a 727 tranny.