Engine/Transmission (1998.5 - 2002) Variable Turbo's?????

[hammersley]

Recently someone was talking about some new exciting turbo's that will be coming out in about 6 months. If memory serves me, they were suppose to be of variable pitch (??). Can someone refresh my memory on that subject, and is Piers working on this????

 

[BWillard]

I know Ford is using them on 6. 0l's. From what a friend told me they spool up quick while pulling out and then, I guess change as they get up to speed

 

[Cummins4Life]

Cummins uses VGT turbos on the ISBe engines in applications other than te 3rd gen Dodges. When the uprated Duramax comes out it will have one too. Heres some reading.

http://www.findarticles.com/cf_dls/m0FZX/10_68/93917122/p1/article.jhtml

 

[lmills]

The new cummins in the 3rd generation will not have the variable design. It will have some new features that the old ones do not have, like oil pockets, a larger compressor housing and an electronically actuated wastegate

 

[Steve Campbell]

"electronically actuated wastegate".....

sounds like it will be harder for us electronically challenged folks to up the boost pressure.

 

[lmills]

yeah, it is suppose to match the boost pressure with the fuel to give you an optimum air/fuel mix. The new ECM also needs almost twice as much KB of programming to control the new electronics on the engine. Sure sounds to me like the aftermarket fuel/timing box manufacturers are going to have their work cut out for them on this one.