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Gt42 Internals Into Gt35/40


blkf6

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Yeh, its an idea...

But - if your gonna get a T04Z, you would go with a high mount, then its all the associated costs of a dump & new intake plumbing aswell. Its not cheap!

Its easy when your in Oil & Gas Tocchi!

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Yeh, I suppose.

I forgot I was hijackin a little.

I suppose if you were building for 500rwkw, you may aswell go GT42 over the T04Z though...?

Anyone got an answer to my question??

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What would the results be like if you were to do as you mentioned and replace the standard turbo core with a complete T04Z core but then use a larger compression housing (.70) and replace the exhaust housing with a Cast Garret unit that allows you to run an external gate and does away with the internal?

How much would it cost go through with such an exercise?

If you wanted to keep with the standard turbo location you could have a T04Z or Billet Z-P put into your existing exhaust housing or an externally wastegated 1.06 A/R GT35R exhaust housing. This would be similar to having a T04Z or Z-P with a .81 T04 exhaust housing but the turbo will in the standard location.

The T04Z and Z-P both have bigger turbines than the standard turbo so over boosting would not as big as a problem as just putting the T04Z compressor wheel on the standard turbo.

The cost would be:

Cost of the turbo, Garrett T04Z $2250.00 , Billet Z-P $2250.00

Cost of the adaptor plate for the exhaust housing, Around $180.00

Cost of machining the exhaust housing, Around $180.00

Cost of new oil and water lines, ???

Cost of custom actuator bracket, Around $40.00

Cost of new wastegate can with adjustable rod or external wastegate mod. New can and rod around $140.00 , external gate mod ???

To get the turbo cheaper you could probably ask the supplier if they can swap the T04 exhaust housing with cash adjustment for a GT35R housing or if they could take some money off and keep the T04 exhaust housing that comes on the T04Z or Z-P as you don't need it.

If you are going to stick with the internal wastegate I would definitely recommend doing the bigger wastegate flapper and porting mod.

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If you wanted to keep with the standard turbo location you could have a T04Z or Billet Z-P put into your existing exhaust housing or an externally wastegated 1.06 A/R GT35R exhaust housing. This would be similar to having a T04Z or Z-P with a .81 T04 exhaust housing but the turbo will in the standard location.

The T04Z and Z-P both have bigger turbines than the standard turbo so over boosting would not as big as a problem as just putting the T04Z compressor wheel on the standard turbo.

The cost would be:

Cost of the turbo, Garrett T04Z $2250.00 , Billet Z-P $2250.00

Cost of the adaptor plate for the exhaust housing, Around $180.00

Cost of machining the exhaust housing, Around $180.00

Cost of new oil and water lines, ???

Cost of custom actuator bracket, Around $40.00

Cost of new wastegate can with adjustable rod or external wastegate mod. New can and rod around $140.00 , external gate mod ???

To get the turbo cheaper you could probably ask the supplier if they can swap the T04 exhaust housing with cash adjustment for a GT35R housing or if they could take some money off and keep the T04 exhaust housing that comes on the T04Z or Z-P as you don't need it.

If you are going to stick with the internal wastegate I would definitely recommend doing the bigger wastegate flapper and porting mod.

that's around $3,000 if $400 is budgeted for oil/water lines

6boost sell a kit for $3,300 that consists of a GT35R, Tial 44mm wastegate, 6 boost manifold.

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that's around $3,000 if $400 is budgeted for oil/water lines

6boost sell a kit for $3,300 that consists of a GT35R, Tial 44mm wastegate, 6 boost manifold.

If you bought the new turbo with a new exhaust housing you will still have your original turbo as a back up or to sell and get some money back. Something else I should of said is the water lines may fit. I don't know of the top of my head and I have not checked. If they have the same banjo size the water line will be able to be persuaded to fit. The standard oil drain can be modified to work and if you already have an ETM oil feed kit or similar you will only need to buy one fitting for the oil feed line. Total cost would be around $50.00

The standard BA/BF and FPV turbo is a GT3582R.

Are you sure that pricing is still current? That’s very cheap.

Kyle can't be making much money on that. Must be doing it for the love of it.

After buying the kit you are still going to need new oil & water lines ($400), new dump pipe & wastegate dump pipe ($700 to $1000+), new intercooler pipe ($300 to $700) and new air filter pipe ($300 to $500ish).

The standard manifold is rubbish though.

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Sounds like a great deal of stuffing around to me, I see it would be good for the stealth side of it but for the price it will cost to stuff 42 internals into the 35 you'd be better off getting low mount extractors with a genuine full GT42 and covering the pipes with heat sheilding.

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  • 7 months later...
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Sounds like a great deal of stuffing around to me, I see it would be good for the stealth side of it but for the price it will cost to stuff 42 internals into the 35 you'd be better off getting low mount extractors with a genuine full GT42 and covering the pipes with heat sheilding.

agreed!

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