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My porsche 944 S2 16 valve turbo project

   
Old 07-25-2014, 05:20 PM
  #271  
A.Wayne
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Originally Posted by turbotim3
Well I've finally got a smile on my face. We have been out in the car this evening doing a little in car mapping. Checking fuelling etc. and building a boost map. Running it at 1.5 bar dropping of to 1.35 were it catches the soft boost limiter at 7250rpm. Dam it feels quick. Intercooler works prefect and water temp is also very good. It does get a little heat soak when standing in traffic, temps up to 50 degrees but that soon drops when moving. I am well pleased, well worth the wait.

Cheers Tim
Great project, did you settle on the TO4Z..? i have used a lot in the past , nice turbo, good TQ numbers ...
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Old 07-25-2014, 06:44 PM
  #272  
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Originally Posted by blade7
How about Sean Buchanan's S2 turbo ?
To my knowledge they've never had this on the dyno!
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Old 07-25-2014, 06:47 PM
  #273  
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Originally Posted by 333pg333
To my knowledge they've never had this on the dyno!
I was wondering about max revs and boost on pump gas ?
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Old 07-25-2014, 10:43 PM
  #274  
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He runs E85 at the track. Still drives it on the street but doesn't speed so no real way of comparing.
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Old 07-26-2014, 06:53 PM
  #275  
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Originally Posted by A.Wayne
Great project, did you settle on the TO4Z..? i have used a lot in the past , nice turbo, good TQ numbers ...
No. In the end I went for the garrett stage five turbo with the T350 wheel, works very well, back pressure is a little high at the higher rev range but I am using it mainly for road use.

Originally Posted by blade7
I was wondering about max revs and boost on pump gas ?
On the YB cosworth engines we would run close to 700 bhp on pump fuel, which is were we drew the line. Not rev's or boost.
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Old 07-27-2014, 07:30 AM
  #276  
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Originally Posted by turbotim3

On the YB cosworth engines we would run close to 700 bhp on pump fuel, which is were we drew the line. Not rev's or boost.
With an iron block obviously. Your build is amazing and I'm not criticising it. Duke and JET951 built 16v turbo engines so I referred to them for comparison. As you say yours is a road car so hopefully it wont have crank/block issues. Do you plan to take it on track days though...
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Old 07-28-2014, 02:31 PM
  #277  
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Originally Posted by blade7
With an iron block obviously. Your build is amazing and I'm not criticising it. Duke and JET951 built 16v turbo engines so I referred to them for comparison. As you say yours is a road car so hopefully it wont have crank/block issues. Do you plan to take it on track days though...
No, we run the new alloy block to 700 bhp on pump fuel. As for my car, yes its going to be used mainly on the road but I am also hoping to get it on a track day or two. I need to sort the brakes first.
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Old 07-28-2014, 04:39 PM
  #278  
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I see, thought the iron block with liners fitted was good for big power ? Have you still got the S2 brakes on your car.
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Old 08-06-2014, 05:26 PM
  #279  
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Originally Posted by blade7
I see, thought the iron block with liners fitted was good for big power ? Have you still got the S2 brakes on your car.
Still got S2 brakes at moment and they are nowhere near good enough, but I have just purchased a set of 365mm 6 pot AP's for the front and 355mm 4 pot AP's for the rear. I'm hoping I can machine a Standard rear disc to except a small bell between the handbrake drum and the new AP disc.
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Old 08-06-2014, 05:42 PM
  #280  
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He Tim, We really start to need videos of your car now..
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Old 09-22-2014, 04:20 PM
  #281  
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Hi, Sorry I've not been around lately, we have been seriously busy at work. I've still not got the brakes fitted to the car and I don't like using it when its a struggle to stop. Has soon as I get time to do some video I will. A friend as one of them go-pro cameras I can use. Should be good.
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Old 11-13-2014, 12:24 PM
  #282  
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Any updates?
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Old 11-22-2014, 06:40 PM
  #283  
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Originally Posted by Will Feather
Any updates?
Sorry I have had no time, I've got some brakes being made to fit the car at the moment. Then its down to weather conditions and somewhere to run it safely. I will update as soon as I have something worth putting on.

Cheers Tim
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Old 01-21-2015, 04:17 PM
  #284  
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Hi guys, Have just received my brakes. I have had a bell made from new rear disc,s to take a 343mm AP disc which run on the rear with 4 pot calipers.

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The fronts are a set of GT3 bells I purchased off Ebay to go with 365mm disc's and 6 pot AP calipers. I am going to run Performance Friction pads front and rear.



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Hopefully I should be able to get the car in the workshop soon and get them fitted.
It should stop with these on, I think.
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Old 01-21-2015, 05:45 PM
  #285  
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Last edited by blade7; 01-22-2015 at 04:59 PM.
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