6nz cat tune, 1 year warranty on all components except 2 year warranty on exhaust manifold. Jan 19, 2026 · I’m trying to find the right tune to go with because I just blew the head gasket and cracked the head. 2001 Peterbilt 379 X-Hood 6NZ Cat with 600 hp tune approx 4000 miles on rebuild with paperwork. Jun 18, 2014 · Most people see at least a 0. But I suppose that's going to require a lot: manifold, larger turbo, fleet air filter, FASS or Air Dog, etc. Better throttle response. Now I have 550 low nox Cat house flash in it. 5MPG increase in fuel mileage above the stock 550Hp file from CAT. 18sp trans , new clutch, pressure plate , rear main etc , new rearends 336 gears , New drop panels and fenders with complete fresh paint job , All new chrome, All new suspension bushings plus 3 axle alignment, New A/C system , all new tires , brakes & drums , every light new LED , new windshields Aug 6, 2011 · i have a 6nz cat that has 435 hp on the valve cover. Just a few years ago all the talk was about 550 pre low nox brakesaver flash, or 7CZ flash. If Your engine is not listed, please contact us to check if tuning is available! Both original (factory) & customer power upgrades available! Dec 7, 2015 · I've heard Bruce Mallinson ( the owner) on the radio talking about how much hp (700-800) they can get out of a 6NZ. Truck Tuning Caterpillar C15 ECM 6NZ. Adjustable Power Settings. how high can the dealership tune this truck without hard parts? Its in an 02 international 9900ix Mar 1, 2021 · RE: 6nz owners - JD 9400 : 3/3/2021 11:57 RE: 6nz owners - jcfarmboy : 3/3/2021 18:24 RE: 6nz owners - JD 9400 : 3/4/2021 00:07 RE: 6nz owners - jcfarmboy : 3/4/2021 06:29 RE: 6nz owners - JD 9400 : 3/4/2021 08:02 RE: 6nz owners - BeerBudgetFarms : 3/24/2021 07:28 RE: 6nz owners - 4WD : 3/24/2021 08:50 RE: 6nz owners - BeerBudgetFarms : 3/24 Jul 13, 2022 · Tuning a cat 6nz - F150Mustang : 7/13/2022 09:44 RE: Tuning a cat 6nz - twraska : 7/13/2022 11:31 RE: Tuning a cat 6nz - JAnderson : 7/13/2022 12:33 RE: Tuning a cat 6nz - Bern : 7/13/2022 13:18 Mar 26, 2016 · Jump to page : 1 Now viewing page 1 [50 messages per page] Jun 18, 2014 · Most everyone gets a stage 1 PDI tune. . Our specialized Tuning services are designed to optimize the power, fuel efficiency, and reliability of your engine. We listed only some of the engines we've worked on. We offer ECM power tunes for all CAT engines from 1994-2010. Is a PDI tune that much better if I (think?) I would be happy with aroud 600 hp. The PDI tune also allows more room for more Hp gains if you play with the fuel codes and it will be over 700RWHP with the right codes in it Anyone tried the 650 2050 tune on a 6nz? I am under the assumption that the injectors are different so the timing would actually be shorter and engine would be less power. Decrease in under exhaust gas temperatures (EGT)s. I’m looking for a tune where the IVA’s can still work so there’s not way too much pressure! Description ypical benefits of the 6NZ Performance Kit include: Increased fuel economy. Exhaust readings on the dyno can tell them a lot about how far they can go with a tune.


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