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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old October 10th, 2019, 12:52   #1
danielsza
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Join Date: Dec 2013
Location: Mount Hope, Ontario
Default 1Z Upgrades

I have a 1Z from a '97 Passat
going into my '92 eurovan

I'm thinking about doing a few upgrades
while the motor is out.

Tune
Injectors
Turbo
Clutch
EGR Delete

Any recommendations on which parts to use?
Or am I forgetting something I should do at the same time.
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Old October 10th, 2019, 13:31   #2
IndigoBlueWagon
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I think the big challenge of a TDI in a Vanagon is proper intercooling so EGTs don't get too high. I'd work on that first.
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Old October 10th, 2019, 14:23   #3
danielsza
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Quote:
Originally Posted by IndigoBlueWagon View Post
I think the big challenge of a TDI in a Vanagon is proper intercooling so EGTs don't get too high. I'd work on that first.
it's not a vanagon
its a eurovan, lots more room to work with
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Old October 10th, 2019, 20:32   #4
Mongler98
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what kind of things like what size nozzles and what turbo will define what all the other parts you need to make it work.
set yourself at a reasonable HP and build it for that (mainly turbo and nozzles) the rest will follow.
200 HP is not that difficult to get to
Nozzles 764
Turbo (there are a few, pick one) 30 lbs of boost
ARP head studs and never let it overheat or your screwed.
endurance stage 2 clutch
LSD and bolts vs rivets
EGR and lower vent delete
PD150 intake
colt cam
larger FMIC
big free flowing 2.5 or 2.75 downpipe and a custom header or a very good flowing header manifold.
you can get to 200HP with the stock IP but a 11mm upgrade will go a long way.

you should check out my build. 230hp revs to 6K

the 3 big things on these builds is EGT's
head lift (just not enough clamping pressure on these engines)
anything past 230 to 250 is going to take major internal work, girdle plate and rods at the very least.


the #1 thing you have to ask is how many miles you want it to last for and #2 how much money and i willing to spend.
let this be your guides on the build
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Old October 11th, 2019, 06:04   #5
danielsza
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I wasn't thinking of going that high...
I'm hoping to get ~150hp.

I was thinking of spending about $3000 or less.

The engine needs a turbo, so I might as well upgrade it.
injectors are old, lots of km, so they should be rebuilt/upgraded

same with the clutch.
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Old October 11th, 2019, 06:23   #6
IndigoBlueWagon
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You can switch the actuator operation from pressure to vacuum and put on a VNT-17, or keep it as is and use a 20/52. I'd go with 502 nozzles and a stage 3 or 4 tune (18-22 PSI). Leave internals alone. That will get you close to 150, perhaps a bit shy of it. But it will run clean, be responsive, and still get as reasonable FE as you can pushing a box down the road.
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Kid's cars: 2002 Golf TDI, 2002 Jetta TDI, 2015 Passat TDI SEL
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Old October 11th, 2019, 06:35   #7
danielsza
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Quote:
Originally Posted by IndigoBlueWagon View Post
But it will run clean, be responsive, and still get as reasonable FE as you can pushing a box down the road.
that's what I'm hoping for.
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Old October 11th, 2019, 07:11   #8
danielsza
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IndigoBlueWagon
can you supply turbo, nozzles & clutch?
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Old October 11th, 2019, 07:42   #9
IndigoBlueWagon
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Turbo and nozzles, yes. Not sure about the clutch.
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2002 Jetta wagon, 400K, RC3+; 1993 Mercedes-Benz 300D 2.5, 197K; 1997 Passat, 289K; '99.5 Golf, 260K; 2011 335d, 63K; 2015 Golf Sportwagen, 13K. Principal, http://www.idparts.com
Kid's cars: 2002 Golf TDI, 2002 Jetta TDI, 2015 Passat TDI SEL
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