ive been reading alot lately about ppl turboing there n/a with the stock t2 setup, and i was wondering if anyone had made one that really lasted cuz everything ive read they died shortly after they were boosted, so i was wondering how reliable they really are, if anyone has had one last succesfully
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If built properly just as reliable as every other properly built motor.
If done by a kid with no money and read a few posts on a tired motor it will blow. I have a customer with 25k now on one. Pushing 16psi on 93octane with a T04E |
Originally Posted by iceblue' post='844058' date='Nov 5 2006, 09:55 AM
If built properly just as reliable as every other properly built motor. If done by a kid with no money and read a few posts on a tired motor it will blow. I have a customer with 25k now on one. Pushing 16psi on 93octane with a T04E was he using the stock na rotors on it? what ecu? |
yeah ive done NA turbo before,
i turboed my NA s4 block and it had close to 200K miles on it haha it held up to about 6 months of abuse, and dynoed 231HP@ the wheels on 10 psi on the stock s5 turbocharger. Before anyone tries to flame me, i was expecting the motor to blow up,i mainly did this becuase it seemed to controvercial and i wanted to see what kind of power could be had, i figured it would only last a few weeks with soo many miles on it, but it lasted must longer then i expected. it can be really reliable, however u have to look at what your starting with. starting with a high milage motor and its not gonna last a long time cause shits just to worn out to begin with. i did it again tho haha and im using another high milage motor i had laying around might as well get a lil fun out of it while im building a strong motor! |
Originally Posted by jdm12a' post='844067
(Post 751806)
was he using the stock na rotors on it? what ecu?
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Preface: I have no hands on experience with this setup.
I would think that the most important part is the fuel/ignition control and boost level. A 9:1 compression engine boosting 15PSI is seeing the same chamber pressures as a 9.7:1 engine boosting 12 PSI. Theoretically, if you have the same mods as an upgraded turbo engine, but you run a bit less boost, it should work out the same. You just need to find a turbo that is more efficient at lower pressure ratios. As for using a stock turbo, I dont really know. I'd like to see a compressor map for it though. I am interesed to see what people have to say on the subject as I am looking into this type of setup also. |
Originally Posted by CGeek2k' post='844089' date='Nov 5 2006, 01:21 PM
Preface: I have no hands on experience with this setup. I would think that the most important part is the fuel/ignition control and boost level. A 9:1 compression engine boosting 15PSI is seeing the same chamber pressures as a 9.7:1 engine boosting 12 PSI. Theoretically, if you have the same mods as an upgraded turbo engine, but you run a bit less boost, it should work out the same. You just need to find a turbo that is more efficient at lower pressure ratios. As for using a stock turbo, I dont really know. I'd like to see a compressor map for it though. I am interesed to see what people have to say on the subject as I am looking into this type of setup also. we have crappy gas in CA, but id have no problem throwing a turbo onto an S4 engine, id want to use a full t4 and not a stock turbo... larger injectors, super afc.... standalone if its in the budget 9.7:1 is a little high, not saying its not doable, its just a little trickier |
Originally Posted by j9fd3s' post='844096' date='Nov 5 2006, 03:26 PM
we have crappy gas in CA, but id have no problem throwing a turbo onto an S4 engine, id want to use a full t4 and not a stock turbo... larger injectors, super afc.... standalone if its in the budget 9.7:1 is a little high, not saying its not doable, its just a little trickier Yeah, I was thinking only around 8-10lbs boost but I cant find a turbo thats efficient around that range. I've also been looking into Wolf and Haltech ECUs but boy, are they pricey. I'll probably be researching for 6 months before I start doing anything though, just because I'm a nerd like that. |
Originally Posted by CGeek2k' post='844114' date='Nov 5 2006, 04:52 PM
Yeah, I was thinking only around 8-10lbs boost but I cant find a turbo thats efficient around that range. I've also been looking into Wolf and Haltech ECUs but boy, are they pricey. I'll probably be researching for 6 months before I start doing anything though, just because I'm a nerd like that. well research this, corky bell had turbo kits in the 80's, they used a cast iron manifold that fits with the actuators and stuff, and a 60-1 t04. they used the rising rate fuel pressure reulator for fuel, and the 1st gen kits got a front mount, the fc's got a water to air unit. 3" exhaust.... fc kit made 231hp... running 8ish psi |
Originally Posted by CGeek2k' post='844089' date='Nov 5 2006, 03:21 PM
Preface: I have no hands on experience with this setup. I would think that the most important part is the fuel/ignition control and boost level. A 9:1 compression engine boosting 15PSI is seeing the same chamber pressures as a 9.7:1 engine boosting 12 PSI. Theoretically, if you have the same mods as an upgraded turbo engine, but you run a bit less boost, it should work out the same. You just need to find a turbo that is more efficient at lower pressure ratios. As for using a stock turbo, I dont really know. I'd like to see a compressor map for it though. I am interesed to see what people have to say on the subject as I am looking into this type of setup also. Ask and you shall receive. http://208.62.166.66:82/guest/shop_m...compressor.jpg http://208.62.166.66:82/guest/shop_m...compressor.jpg |
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