Fuel Mileage

I didnt say they wouldnt match, they just wont work on a acert. Its a whole different injector. That seller on ebay has been known to be shady at times. Selling you the turbo and saying it will work is exactly my point.

Derating it to 575hp wont do much with the injectors you have, it will be a drop in the bucket, you simply dont have enough turbo for the injectors, if you were to get a stage 5 your temps wouldnt go pass 1000*F and you could use the power all the time. The manifold will help you a lot. It is your engine though. Just trying to help.

 

I am on a stock cooler as well, you would benefit from a bigger one but it wont cause exhaust temps to be so high.

Yes exhaust manifold pressure will be high, on the stock manifold it will be way more than 15psi over the intake with the fuel your pushing. It might be that low with a B manifold, i bet your at 80psi at the exhaust manifold

 

The only restriction you have is the stock manifold and not enough air flow. A friend of mine ran the 59 injectors on a stock C15 manifold and he would see 1200+ degrees. After the swap he saw no more than 1000*. Hes the guy i bought mine injectors from.

 

Dont be worried, you obviously have the fuel. Now you need the air problem solved. You simply dont have enough turbo michiganturbo will set you up with a turbo. Tell them you need a stage 5 for a C16 CAT and tell them Martin from MI sent ya

After that turbo you will be pleased, you wont have to worry about exhaust temps then. Just put your foot down and go.

 

By the way you said at 1900rpm boost is down from 48psi to 40psi. This right there is telling me the turbo cannot keep up with the air demand the motor needs, i would ask for a refund on the turbo if possible, the stage 5 is 2500$.

 

No, just keep a light throttle and watch the exhaust temps, as long as they stay below 1200*F dont worry about it. If they start to creep up on a hill then drop a gear, hold 1700rpm or higher and go half throttle. If you have any issues than feel free to ask, these engines are pretty much my life. lol.