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| 998 suck thru turbo https://www.ausmini.com/forums/viewtopic.php?f=5&t=70734 |
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| Author: | supertrooper666 [ Sun May 15, 2011 10:18 pm ] |
| Post subject: | 998 suck thru turbo |
hey im thinking about putting a turbo on my 998, ill be using a Td04 turbo, but custom making the manifolds, does anyone know the best inside diameter for the exhaust manifold , ill be making it a suck thru set up,with carby mounted on the turbo. any comments? thanx |
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| Author: | tuff998 [ Sun May 15, 2011 10:56 pm ] |
| Post subject: | |
Dont quote me, but I rekon most manifolds ive seen on cars is the same thickness as the exhaust ports but when gets to the turbine the diameter is slightly smaller. So maybe make it 1-3/4? A better guru should help a bit better lol Never heard or seen a suck through turbo setup. Would be interesting to see though 
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| Author: | benjamin [ Mon May 16, 2011 5:45 pm ] |
| Post subject: | Re: 998 suck thru turbo |
supertrooper666 wrote: hey im thinking about putting a turbo on my 998, ill be using a Td04 turbo, but custom making the manifolds, does anyone know the best inside diameter for the exhaust manifold , ill be making it a suck thru set up,with carby mounted on the turbo. any comments? thanx
hey, you be best with some 1'' nominal steam pipe . It has a ID of about 28mm which will be fine for the 998 and has a medium wall making it pretty strong and able to hold the weight of the turbo and carb when it is hot . Blackwoods or most metal places sells the bends and you can get straight pipe in the same size to match. For the ports just squish in a vice to match the ports . ben |
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| Author: | PetenSoaf [ Mon May 16, 2011 8:09 pm ] |
| Post subject: | |
998 with draw through turbo. . .cant remember many of the details (other than the turbo was too big for the application). You might be able to glean pipe diameters from the pics, I guess. The setup suffered from hideous lag due to the distance from the carb to the motor - but it went like stink when it was up and running! 
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| Author: | blue_deluxe [ Mon May 16, 2011 10:04 pm ] |
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Are you thinking of using a td04 from a forrester or similar? If i were you id rethink and find a smaller turbo. The td04 makes boost approx 3500 rpm on a 1.3L 4efte. So you wont be boosting until about 5000 rpm |
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| Author: | supertrooper666 [ Wed May 18, 2011 7:49 pm ] |
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thanks for the help guys, its hard to find pics on the suck through set up, i was thinking about mounting the turbo just above the rocker cover , then there wont be much distance to carby. and the td04 is the only cheap turbo i cant get atm i have very small budget. any more pics and info would be great thanx.. |
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| Author: | simon k [ Wed May 18, 2011 8:28 pm ] |
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just noticed you're in wodonga - you can have a squiz at my supercharger setup if you want
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| Author: | poeee [ Sat May 21, 2011 10:52 am ] |
| Post subject: | |
A TD04 is a WRX size turbo (I think mine is a TD04L??). Bit big for a Mini... |
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| Author: | TheMiniMan [ Sat May 21, 2011 11:48 am ] |
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Im not possitive but i`ll think you will find that the TD04 is not only a tad too big for a 998 but also it`s not set-up with "fuel-seals",,, IE: not meant to have fuel running through it I believe you can have the seals fitted though |
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| Author: | supertrooper666 [ Tue May 24, 2011 5:25 pm ] |
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thats interesting mini man, i didnt think about the fuel seals, do u know a good place to get them? i couldnt find any on ebay. |
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| Author: | pristic [ Wed Jun 01, 2011 2:28 pm ] |
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TD04 is definately too big. You can get a Garrett T2 off a pulsar and use that... 2nd hand should set you back only a couple bucks (I paid $150 for mine and it was high flowed already) The lag would be ridiculous on it and it wouldnt spool up properly until you were overrevving, then small boost and you are in danger of damage to the motor... not to mention it would surely be crossing the surge line. Maybe a T25 biggest. You can always upgrade to a new turbo when you get the money. What boost are you planning on running? Also with a draw through (suck through) setup you cant intercool. My 2c worth mate. Peter |
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