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#45
by
theman53
on 12 Feb, 2012 22:23
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holy crap, these K24s take FOREVER to spool.. boost in neutral is out of the question now..
how positive are you guys that the 1.6 and 2.0 K24s are identical? it sure seems like this one spools way late..
it has a 2" inducer on the exhaust side, are the 1.6's the same size?
I could make 10psi in my old 1.6 idi reving it in neutral. You need a 2.5 or 3" downpipe and exhaust, or a better k24???
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#46
by
R.O.R-2.0
on 12 Feb, 2012 22:40
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holy crap, these K24s take FOREVER to spool.. boost in neutral is out of the question now..
how positive are you guys that the 1.6 and 2.0 K24s are identical? it sure seems like this one spools way late..
it has a 2" inducer on the exhaust side, are the 1.6's the same size?
I could make 10psi in my old 1.6 idi reving it in neutral. You need a 2.5 or 3" downpipe and exhaust, or a better k24???
im not positive that i cant make boost in neutral, it just doesnt seem like it will..
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#47
by
RabbitJockey
on 13 Feb, 2012 11:01
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From what I understand k24 does not react well with manual boost controllers u kind of have to adjust the set screw. K24 should flow a small amount more than the vnt u had assuming it was a vnt15. Over all tho even with no vane control the vnt15 is a better turbo with a much more modern design. But I think in compound with a k26 spool up will be faster because of the second turbo but u will still be limited to maybe 200hp because that's just what the k26 can flow but really you will have to experiment to see what turbos work best I don't think the t4 will ever work tho just too big and not a broad map
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#48
by
R.O.R-2.0
on 13 Feb, 2012 12:16
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From what I understand k24 does not react well with manual boost controllers u kind of have to adjust the set screw. K24 should flow a small amount more than the vnt u had assuming it was a vnt15. Over all tho even with no vane control the vnt15 is a better turbo with a much more modern design. But I think in compound with a k26 spool up will be faster because of the second turbo but u will still be limited to maybe 200hp because that's just what the k26 can flow but really you will have to experiment to see what turbos work best I don't think the t4 will ever work tho just too big and not a broad map
i had a MBC on it when this turbo was in my audi.. it regulated boost just fine..
really, this K24 is going to flow about the same air? it looks HUGE compared to my VNT..
and idk how a K24 and 26 would ever spool as quick as my VNT.. it was almost spooled at idle..
and i dunno what else to do for a second turbo.. the biggest units i have are a T4, and a K26. sounds like the T4 is too big, and the K26 is too small?
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#49
by
RabbitJockey
on 13 Feb, 2012 12:34
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Yeah the vnt is a lot newer flows same amount of air more efficiently from a smaller wheel but I still think k24 would flow a bit more since k24 is 38 trim so the 40 trim t3 map would be pretty similar. The outer appearance is not always a good indicator of its flow. I think k26 is good to try as a second turbo really tho the dodge turbo u have is pretty comparable it and maybe a better option. But ur gonna be limited to low 200s for hp which is good really
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#50
by
R.O.R-2.0
on 13 Feb, 2012 12:45
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Yeah the vnt is a lot newer flows same amount of air more efficiently from a smaller wheel but I still think k24 would flow a bit more since k24 is 38 trim so the 40 trim t3 map would be pretty similar. The outer appearance is not always a good indicator of its flow. I think k26 is good to try as a second turbo really tho the dodge turbo u have is pretty comparable it and maybe a better option. But ur gonna be limited to low 200s for hp which is good really
the Chry T3 turbo? its CONSIDERABLY bigger than the VW/pug T3s i have.. would it perform better than the K26?
the K26 has no wastegate, the T3 has a wastegate port, but i guess you dont NEED to run it..
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#51
by
410
on 13 Feb, 2012 20:29
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Well, the motor is in and running!
The k24 turbo barely turns at idle. There's no cooling system yet so we're still a week away from a real test drive. Once it has a cooling system and the intercooler piping is done we'll go for a spin and see how it feels. I put a stack on it for now for the exhaust but that won't stop us from taking it for a spin! I might put some pics up if you guys are interested.
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#52
by
R.O.R-2.0
on 13 Feb, 2012 20:50
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Well, the motor is in and running! The k24 turbo barely turns at idle. There's no cooling system yet so we're still a week away from a real test drive. Once it has a cooling system and the intercooler piping is done we'll go for a spin and see how it feels. I put a stack on it for now for the exhaust but that won't stop us from taking it for a spin! I might put some pics up if you guys are interested.
im at the EXACT SAME position with my build, but with only a K24 turbo, no compounds YET.. the turbo is on, and hooked up to oil, but nothing else yet. cleaned the old compressor wheel out of my intercooler today at school, took it to the hot tank..
im gonna take my hood off, and use the temporary exhaust stack ive got, for my first spin..
i gotta rev my engine to around 3 grand before the turbo starts making any noise..
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#53
by
8v-of-fury
on 13 Feb, 2012 21:53
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i gotta rev my engine to around 3 grand before the turbo starts making any noise..
Its gonna feel like a completely different car..
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#54
by
R.O.R-2.0
on 13 Feb, 2012 21:54
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i gotta rev my engine to around 3 grand before the turbo starts making any noise..
Its gonna feel like a completely different car..
yea, i know.. im not too excited about it. its gonna be EXTREMELY laggy, compared to what im used to..
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#55
by
8v-of-fury
on 13 Feb, 2012 21:59
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I hope to get the TDI in early next week.. equipped with the k03 that starts to spool just off idle
! I cannot wait for some power!
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#56
by
410
on 13 Feb, 2012 22:43
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I'm hoping that combining the k03 and k24 will make the ultimate combo. Quick spool with lots of legs. I'll have all kinds of gauges on this thing. I've made provisions for an emp gauge, low pressure turbo gauge, intake manifold pressure, egt, as well as fuel inlet pressure/vacuum.
My biggest concern is emp. If the emp are too high, I'll try an external wastegate between the turbos. If that doesn't curb emp, I'll be pissed but have other turbo combos. That would mean completely rebuilding the setup though.
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#57
by
R.O.R-2.0
on 14 Feb, 2012 10:32
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I'm hoping that combining the k03 and k24 will make the ultimate combo. Quick spool with lots of legs. I'll have all kinds of gauges on this thing. I've made provisions for an emp gauge, low pressure turbo gauge, intake manifold pressure, egt, as well as fuel inlet pressure/vacuum.
My biggest concern is emp. If the emp are too high, I'll try an external wastegate between the turbos. If that doesn't curb emp, I'll be pissed but have other turbo combos. That would mean completely rebuilding the setup though.
sorry to P*SS in your cheerios, but i think the K03 will 100% be an exhaust restriction.. cause think about it, its already a restriction on a single turbo engine, once you rev it up..
so think of how bad its going to be if you are dumping close to 2x the air thru the same restrictive hot side?
also, the wastegate on a K03 is way tiny.. its not going to keep up once the K24 lites off..
its probably gonna work GREAT around town, and under 15psi.. but i imagine you will have EMP issues with that TINY of a turbo.. maybe a K14 would have been a better choice in this setup..
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#58
by
410
on 14 Feb, 2012 13:05
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I actually did some porting on the k03 hotside including the wastegate. I can't comment on the performance of the setup until we try it so I'll just leave it at that.
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#59
by
rallydiesel
on 14 Feb, 2012 16:37
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410, what vehicle is that going to go on?