62mm Charger or Headwork?

You know you could get the 65mm turbine 62 and use an external gate on it to make up the flow difference of the 71mm turbine wheel. I honestly don't understand why no one considers this so would someone please enlighten me? Perhaps its because it's not the cheapest route to go but usually you get what you pay for especially when it comes to something as important as the turbo charger of a diesel engine.

But consider this, if the 62/65 is cheaper by a decent margine then a 71mm turbine equiped unit why not use the extra money on an external gate and have the best of both units?
 
NickTF said:
You know you could get the 65mm turbine 62 and use an external gate on it to make up the flow difference of the 71mm turbine wheel. I honestly don't understand why no one considers this so would someone please enlighten me? Perhaps its because it's not the cheapest route to go but usually you get what you pay for especially when it comes to something as important as the turbo charger of a diesel engine.

But consider this, if the 62/65 is cheaper by a decent margine then a 71mm turbine equiped unit why not use the extra money on an external gate and have the best of both units?
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Simplicity would be my guess. That and no one probably thinks of it but that's a good idea.
 
An external gate is not a complex device by any means. ED explains them very well when you talk to them. You may have to clearence the down pipe with a bfh a little bit but that's as severe as it gets regarding difficulty. It all comes down to how hard you're willing to work to get the best result you can I guess.
 
then why not take it one step further?

62 or 64/65 - 12 or 10 or 9 non waste gated housing

and run a huge external gate

don
 
NickTF said:
An external gate is not a complex device by any means. ED explains them very well when you talk to them. You may have to clearence the down pipe with a bfh a little bit but that's as severe as it gets regarding difficulty. It all comes down to how hard you're willing to work to get the best result you can I guess.
Click to expand...

Complexity in terms of having to get the flanges and all welded up, run the piping, run the tubing, drilling the turbo for the boost reading, setting up the regulator, and then tuning it. It's not complicated at all (I used to run a 38mm tial on my ksb-1) but it's more than most people want to deal with.

Dtanklage, there comes a point when not even a large wastegate will help. Not to mention that if you get to small of a housing your then limiting how big of an exhaust wheel you can run.
 
never really messed with it

my buddy's that drag race (v-8's on gasoline) run huge turbos and huge gates

seems like someone a long time ago figured out that these borg warner turbos are almost perfect for our application (and they really are) and they have made a killing off of it

don
 
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