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 Post subject: Hot Tune, Euro TC, and TCM tune a sweet combo
PostPosted: Sat Jun 12, 2010 7:32 am 
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Location: America
So I got the Libby all back together and I am very pleased with it so far after the big 10 to 15 minute ride :mrgreen:

Well, I was covered in grease and tired, but I must say, the drive line feels alot firmer now. At 45 MPH I am running 1400 RPMS, and at 55 with out going any faster, I am running at 1600 RPMS. It has more of a truck feel to it now, because the engine is working at much lower RPMS. I was just wondering how low in RPMS it is safe to run this engine at, you have to factor in lower oil pressure and hammering the rod bearings, but I guess it should be OK, because it is in a very light load at 1400 RPM. I always try to keep my Cummins at 1600 RPM minimum. GDE had a very good write up for the TC change procedure, although I added a short cut, and had a set back. I skipped removing the fan blade to allow access to the flywheel bolt and turned the engine at the flywheel starter gear with a screwdriver. The set back was, the tab to the tranny dip stick that is bolted the to the upper bolt got stuck between the engine and tranny bell housing I did not know this until most of the bolts were snugged, in the future I would put the dip stick tube back in after the tranny is bolted back to the engine. I will give more updates after I drive the Jeep for a while.

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2006 LTD Bright Silver loaded with all the needed mods, CCV intact.
Proudly supporting CRD vendors, and their development of quality parts and accessories.
Equipped with HDS thermostat, plenty of heat, faster warm-ups, increased fuel mileage.


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