Hi, I am new to this forum and just bought a s1900 tandem, and i would appreciate any help. Can you increase power and torque on 1985 dt466 that is rated at 210 hp, can you get 250 + hp and not burn it up? This motor has no intercooler, is this going to limit the power? What is the difference between a factory 210 and 250 hp motor?
Thanks

 

If it was me I would go check out a international parts store talk to a guy that can give you all of the specs on that truck. You will get your trucks specs and then any other specs listed for more gains. You would be surprised to see what all that has to be done to get more power. Then if nothing is available, time to start looking into basic little stuff and self engineering some of the parts.
Just keep it leagal and keep it safe.

 

You can adjust the fuel screw, and timing, and get close to 250hp/650tq. The instructions are on youtube, and in my sig.

 

Thanks. is there any difference between a 210 and 250 motor? injectors, pump etc?
Thanks.

 

It's the pump. The 250 and 270hp used a little bigger parts in the pump, but the same, tiny 10mm plungers. You can make almost 600hp on stock injectors, it's the pump that does the magik. Timing was also a little higher. Shoot for around 19*, if your stock timing was originally set at 13-15*.

 

Could this create high exhaust temps or are these motors not prone to that with this pump? Thanks. BTW fantastic video

 

It will get too hot if you max out the fuel screw and drive foot to the floor all the time while loaded to 30k + pounds. If you upgrade to a Holset HX40, or a Garrett from a newer 466 or 466E, you will keep plenty cool. Not having an intercooler will make it pretty hard to keep cool. If you have a pyro, adjust the screw, and see what heat it makes. Then, you'll know how critical it's going to be to add an intercooler. A wrecking yard for big rigs should have all you need to change over.

 

Thanks, there is no room for an intercooler to sit in front of the rad. Do I use a side by side rad intercooler, I heard they can't cool the motor enough.

 

there is a ih schoolbus in the yard near me that has a mechanical 466 and a side by side rad/intercooler. where are you located?

 

I am located in Ontario Canada....a little far, but thanks.