Turbo Upgrade or Replacement? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 20 (permalink) Old 09-08-2007, 12:53 AM Thread Starter
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Turbo Upgrade or Replacement?

I have been reading about the brand wars on here over the TN or Garrett turbos. Ball Bearings vs. bushings. Leaks, surge, stall, yada, yada, yada. The latest and greatest in turbo technology.

Then why are so many of the vendors here selling mods for our STOCK turbo?
What is it, and why do I want/need a wicked wheel or a ported, shrouded, or unshrouded housing?

Are they of any real benefit?

They are certainly a lot cheaper.

Thanks for your input.

Bill.

CURRENT VEHICLE:
2008 F350 4X4
107k miles
CrewCab Longbed
Lariat Blue w/gold
Camel leather interior
Sunroof
Supplemental heat

Some mods to come.

TOTAL LOSS 11/11/11
2000
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post #2 of 20 (permalink) Old 09-08-2007, 12:58 AM
 
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Re: Turbo Upgrade or Replacement?

The stock turbo cartridge is only good for about 30 psi of boost in terms of reliability, efficiency and expected life. A ported shroud will prevent the turbo from surging. The wicked wheel will do the same thing, but the wheel moves a few less CFM than the stock wheel. A larger exhaust housing will slow the shaft speed moving the surge line on the compressor map, this means it is much harder for you to make it surge. However the draw back to a larger exhaust housing is slower spool and lower peak boost.

If you need more CFM than a stock turbo will move then you need a replacement turbo of some type. As far as journal vs ball bearing both work just fine. Ball bearing spool much faster.
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post #3 of 20 (permalink) Old 09-08-2007, 01:00 AM
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Re: Turbo Upgrade or Replacement?

If you want to mod the stock turbo, put an ats compressor housing on it, gut the ebpv, limit boost with a decent waste gate and be done with it. My stock turbo with that stuff, worked pretty damn good.

'00 F350 CC LB 4wd 7.3L with stuff, haulin' a 40' trailer with toys
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post #4 of 20 (permalink) Old 09-09-2007, 10:21 PM Thread Starter
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Re: Turbo Upgrade or Replacement?

How would one go about gutting the EBPV?
Would I need to seal the shaft holes?
Is there such a thing as a non-EBPV outlet housing?
I have heard that vans don't have a wastegate, do they have EBPV tho?

Don't worry, there are plenty more questions in this little head o' mine.

Thanks guys for all the help, you're great.

MrBill.

CURRENT VEHICLE:
2008 F350 4X4
107k miles
CrewCab Longbed
Lariat Blue w/gold
Camel leather interior
Sunroof
Supplemental heat

Some mods to come.

TOTAL LOSS 11/11/11
2000
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post #5 of 20 (permalink) Old 09-09-2007, 10:34 PM
 
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Re: Turbo Upgrade or Replacement?

If you use the pedestal with the EBPV you pull the piston out, tap the hole where the rod went through and put a pipe plug in it.

Yes, you can get a hi-flow outlet housing from any of the site sponsors here. I know BWD lists them on their site, DI should be able to fix ya up, etc. You can also cut the butterfly out of the stock one for free, but it's still not quite as big as the hi-flow replacement outlet.

The vans do not have a wastegate, they have a larger turbine housing. You can set a van turbo on your truck with an adapter for the downpipe. BWD, dieselsite and a few others also sell a Garrett replacement pedestal with no EBPV parts at all for less than the Ford part.
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post #6 of 20 (permalink) Old 09-09-2007, 11:18 PM
 
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Re: Turbo Upgrade or Replacement?

look at my pics in sig for EBPV Delete
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post #7 of 20 (permalink) Old 09-10-2007, 02:43 AM
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Re: Turbo Upgrade or Replacement?

At almost a full half inch in diameter larger than the stock housing, the high flow outlet is well worth the time and small price tag of $150. With both sitting next to each other, the high flow looks like it could swallow the stocker.

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post #8 of 20 (permalink) Old 09-10-2007, 03:43 AM
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Re: Turbo Upgrade or Replacement?

Quote:
Originally Posted by gregrob View Post
look at my pics in sig for EBPV Delete
It ain't that hard ,the toughest part is getting the snap ring out.

97 crew cab shorty-4x4 Lots of mods .
Tuned by T Wildman
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post #9 of 20 (permalink) Old 09-10-2007, 03:51 AM
 
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Re: Turbo Upgrade or Replacement?

It isn't too hard if you have snap-ring pliers.
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post #10 of 20 (permalink) Old 09-10-2007, 03:53 AM
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Re: Turbo Upgrade or Replacement?

I only have the ATS Housing and the wastegate adjusted for about 27 lbs and It works great. If I went to a replacement turbo it would be for the extra CFM so I could run harder when I tow (Lower EGT's).

The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.

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