c15 mbn

mbn aren't the best engines. But I heard about converting into a 6nz engine.

 

If I'm not mistaken cat motors sweet spots are about 1100-14/1450 tops isn't it? Seems like you may be beating the piss out of it in that aspect. But then again, I've only had a c15 acert.

 

I don't have i-shift/auto under my t600. Not concerned about it yet. not the fan of autos. Would rather play with manual.

 

peak tork for cat is 12 to 1600 after that your waisting fuel

 

Mbn engines have a module that controls the wastegate. A lot of guys have the wastegate blocked off on those engines. Try that, if the boost is more stable and it's not overboosting I'd run it. I replaced a 2ws with an mbn in my truck and found the mbn was torquier at really low rpm but about 1500 just died compared to the 2ws. I run mine around 1450 rpm and get reasonable fuel mileage

 

On hills I'd never pull below 1100-1150 cause it just chugs too much. 1450 is about as high as I'd go cause any higher and it just seemed not to pull as hard. I don't think I could get myself to drive an auto...unless the money was too good to turn down. If I want an automatic, I'll switch cars.

 

I'm fine with my mbn. Probably the previous owner done something to up rate the power and torque.

 

No nothing was done to power settings in computer. Had the dealer pull the files of the few times it was in and nothing was changed. The truck sat in hiding in a garage for last 6yrs