Finally got in the 10s

sickdiesel

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Apr 22, 2010
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After looking at the logs im surprised the truck went 10s on that size of a tune with all the weird stuff happening.


Looks as tho the converter never locked, even tho lockup box says it was. that or it was going right thru the converter lol. truck never dropped below 4k rpms. Guess that's what happens when you don't let the Allison learn.

Im gonna run the new revised tune again this weekend and get the truck a few passes to let it learn before I raw dog it again lol. and rail pressure was amazing. ALOTT left in it :woott:
 
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MaxPowerLB7

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Nov 8, 2007
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Congrats Dustin! That's cooking and a nice, selective tan to boot.

Personally, I think A/C is worth it's weight in gold! I have fond memories of cruising through Vegas with Dmitri. 118* degrees, i was wearing a sweater in my nice air conditioned truck and he was dieing with his a/c delete.
 

Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
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Phoenix Az
Dustin if that trailer has 8 lug axles swap those tires out for 235-85 LT truck tires.

if it has 16s and can fit the size he said, id highly suggest it. id assume it does cause i think 5200 are 6 lugs and run a 235/80R16 sized trailer tire