Turbo conversion setups 156/147 - Alfa Romeo Forum
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Turbo conversion setups 156/147

Hello guys!
If any of you have made a turbo conversion on the ts engines then what is you setups? What parts have you used an soo on.
Looking for some ideas to my own turbo project :-)
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A few people have them. Check out Gerties posts Or Turbo nutters.
There is nothing really off the shelf for Alfa's. However you can build a bespoke kit and the TS does take to forced induction well.
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I have considered it myself but not not gone beyond that. Presume you're looking at a low pressure conversion, in which case I suggest you look at a 1.9jtd. I know my 16v jtdm engine uses the same exhaust manifold gasket as the twin spark which means the stud pattern and exhaust ports will be the same.

So exhaust manifold, turbo, and downpipes - 1.9jtd 16v (possibly 8v too) should bolt straight on with little or no modification.

A lot of the control gubbins could be harvested from the jtd too.

Not sure what you'd do for a high pressure oil feed to the turbo but the return feed should be easy enough to sort.

The control system for the VNT turbo may be difficult though. Perhaps you could set it at a particular position and use other means to control boost pressure.

Intercooler and pipes to the inlet manifold's general location could also be taken from the jtd too. As for the manifold itself, I think you'd have to use an alloy from from a cf1 155 or 145, as I doubt the plastic one would survive long.

Engine managment will have to be bespoke and getting that to talk to the canbus system on a 147 will be troublesome. A 156 would be easier to sort.

If you want to go beyond that the search for;

Alfadublin

Here and on

forum.alfa156.net/forum

But what he did and achieved was daft imo.

Last edited by Chris155; 01-02-16 at 12:43.
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i have been in contact with Gertie and he has given me alot of tips and tricks. i'm thinking of mounting the 16v jtd manifold and find a turbo but wich one, i dont know yet. on ebay they have universal oil filter sandwich you can mount onto the oilfilter mounting then i just need the hoses and stuff to the turbo and a drain to the sump.
i havn't got much far than this yet haha. :-D
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There are taps by the oil filter you can take off for the oil feed.
The TS block / JTD block was made with the intention of being turbo'd.

It's quite a versatile block.

Unfortunatly I don't know enough about turbo setup's but I'm very handy with spanners.
I personally don't think its that hard but when there's nice V6 engines out there it does make you wonder about the cost.

Shame really as there are so many other makes of car's with bolt on parts you can buy (But even then they are bloody pricey).

Good luck you'll get lots of info here from other members.

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Scott
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There was a TS Turbo version of older models .. iirc 75 had this option .. but I don't think they made it to UK and may have been carbed engines.
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Making any normal aspirated car to become forced induction is pretty straight forward I've just finished doing my accord type r most parts was made from scratch.. The main issue is the ecu and mapping the rest is just make and bolts on
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Quote:
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There was a TS Turbo version of older models .. iirc 75 had this option .. but I don't think they made it to UK and may have been carbed engines.
There was never an OEM TS Turbo.
75 1.8 Turbo was 8v single spark with injection. The old wet liner Aluminium block engine.
A couple of different versions with slightly different capacities, but all around 1.8 and single spark.
164 Turbo used the 4-cylinder Fiat Croma 2.0 Turbo (also 8v single spark, but Iron block) and also the 12v 2.0V6 Turbo.
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(Post Link) post #9 of 37 Old 01-02-16 Thread Starter
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Is it possible to fit a blow off on The Ts when its fittet with a MAF sensor?
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Is it possible to fit a blow off on The TS when its fitted with a MAF sensor?
You'd run a recirculating type, not a vent to atmosphere type.
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Should i mount it right before throttlebody?
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147 jtd 16v mjet

After throttle body but before the intercooler
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I don't know why I bother with this forum anymore.
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I don't know why I bother with this forum anymore. http://www.alfaowner.com/Forum/images/smilies/irked.gif

You ok?
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You ok?
I'm guessing he's confused about your previous post. So am I.
But I prefer to ask if you can clarify what you mean because it looks like you didn't explain yourself well.
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I'm just replying to the question where fit to a blow off valve
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Quote:
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I'm just replying to the question where fit to a blow off valve
Yes, but your description:
Quote:
Originally Posted by rc_addicted View Post
After throttle body but before the intercooler
Is a bit off....!!
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Explain why..? Bit off? What rude..? False info?
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Explain why..? Bit off? What rude..? False info?
"off" as in wrong info.

It fits between the turbo and throttle-body and a recirc type would feed back in before the turbo.
All on the compressor (cold) side of the turbo).
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I was always in the theory of

Air Filter > Throttle Body > MAF >(Recirculation) > Turbo > Intercooler > Engine

Might be way off but that was my thoughts.
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I was always in the theory of

Air Filter > Throttle Body > MAF >(Recirculation) > Turbo > Intercooler > Engine

Might be way off but that was my thoughts.
Usually:

Air Filter > MAF > Turbo > Intercooler > Throttle-Body > Engine

Then with a recirculating dump valve you'd get:

Air Filter > MAF > Dump-Valve-Return > Turbo > Intercooler > Dump-Valve-Vent > Throttle-Body > Engine
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This is how exactly how mine is plumbed in!
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Quote:
Originally Posted by scottyf View Post
I was always in the theory of
Air Filter > Throttle Body > MAF >(Recirculation) > Turbo > Intercooler > Engine
Might be way off but that was my thoughts.
Scotty, your flow is fine for roots type supercharger...

Quote:
Originally Posted by David C View Post
Usually:
Air Filter > MAF > Turbo > Intercooler > Throttle-Body > Engine
Then with a recirculating dump valve you'd get:
Air Filter > MAF > Dump-Valve-Return > Turbo > Intercooler > Dump-Valve-Vent > Throttle-Body > Engine
Quote:
Originally Posted by rc_addicted View Post
This is how exactly how mine is plumbed in!
rc's picture agrees with David's 2nd flow. It is best to talk the airflow path...

This is the best setup for the least amount of false readings, etc.

I have heard of successes where the MAF is on the boost side (after atmosphere blow off (that you don't measure vented air)) Personally I would not do it as the MAF is a heated element that uses the flow of air over cooling it down it to calculate Mass Air Flow. Now if you pass hot / warm air at higher than atmosphere pressure over it, the cooling characteristics are drastically altered, and re-calibration in mapping becomes tricky
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Quote:
Originally Posted by rc_addicted View Post
After throttle body but before the intercooler
RC your picture shows the BOV before the throttle and after the intercooler...

Draw through turbo setups, throttle before the turbo, are more common with carburetor setups with no need for a BOV, from memory.
They use throttle before turbo on F1 cars!
Obviously throttle before turbo has slower throttle response.
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My final version of a turbocharged 1.6ts has been a success, with the help of another forum member on the ecu front. The car runs like stock and hasn't let me down for 3000 miles so far.
The car runs the MAF in the pressure area, it is located in the same place as stock, so no delay to compensate for air path. Mine setup is airfilter-turbo-intercooler-BOV-MAF-TB. My only recommendation for anybody thinking about doing a project like this is to have a ecu solution ready, it is the biggest problem you will have by far. The car is running a Garrett ballbearing unit (GT28) @ 11psi and when I'm feeling brave 15psi. Economy is almost standard at around 350miles on a tank. It's great fun to drive mid range acceleration is something else.
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