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#15
by
Hoble
on 30 Oct, 2012 19:52
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I'll talk to Giles and see what he says. And I really don't want to spend 570$ on new pistons and another 600 on new 1.9 head. I'm going to upgrade rods so stop telling me not too. I've seen them bend and I don't want to have to deal with it. It cost me less to do it know then when I'm at a track 200 km away and have to drive home.
These rods are good for high hp and power. Bad for low end torque. I will have a lot of low end torque.
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#16
by
R.O.R-2.0
on 30 Oct, 2012 20:23
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I'll talk to Giles and see what he says. And I really don't want to spend 570$ on new pistons and another 600 on new 1.9 head. I'm going to upgrade rods so stop telling me not too. I've seen them bend and I don't want to have to deal with it. It cost me less to do it know then when I'm at a track 200 km away and have to drive home.
These rods are good for high hp and power. Bad for low end torque. I will have a lot of low end torque.
how are you going to achieve that? compounds? big VNT? Nitrous?
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#17
by
Hoble
on 30 Oct, 2012 21:13
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These rods are good for high hp and power. Bad for low end torque. I will have a lot of low end torque.
how are you going to achieve that? compounds? big VNT? Nitrous?
Compounds. K03 and a t3 with 50 trim and .48 ar. Water meth, water/air IC, cam, the whole 9 yards. im not skimping on anything
down the road i might do nitrous and propane injection but Ive heard your way more likely to blow your motor on propane. Also might go with a third bigger turbo down the road if i can figure out how to keep the head bolted down or convince my cnc friends at work to make me a steel head
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#18
by
TurboJ
on 31 Oct, 2012 07:24
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What T3 specifically are you planning to use?
A regular, old school Garrett product will not get you in the 200-hp range reliably.
It is possible, but those engines tend not to run very long..
Maybe consider a well-flowing modern turbo instead?
Just my 2p...
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#19
by
Alcaid
on 31 Oct, 2012 08:14
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...im not skimping on anything...
You are skimping on the turbochargers! Put in something useful instead of those stoneage turbos
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#20
by
Hoble
on 31 Oct, 2012 09:05
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...im not skimping on anything...
You are skimping on the turbochargers! Put in something useful instead of those stoneage turbos
It's a brand new airesearch turbo. The t3 isn't a t3 ether, It's bigger. Old t3 is about a 35 or 40 trim and not sure ar but lower than .48. Mine is a 50 trim with a .48. It's what people use to make 250 hp out of these motors. Problem is getting them to spool. That's why I have the k03 there. And it's rebuilt.
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#21
by
Alcaid
on 31 Oct, 2012 09:29
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T3 50 trim producing 250hp on an IDI? BS!
27lbs/min (at best!) won't get you anywhere near 250hp...
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#22
by
Hoble
on 31 Oct, 2012 11:21
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Well we will find out how it's works when I'm done.
And prove me wrong. Don't just tell me.
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#23
by
RabbitJockey
on 31 Oct, 2012 11:44
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on paper it is good for 250hp at the crank, in practice is another story, i think the possibility of breaking 200whp with it would be safe to assume for now tho, but 250 will take quite a bit more than 30psi. But certainly the scandinavians of the forum know far more of what actually works and what doesn't. I don't think i would put a ko3 from a tdi on any performance oriented engine.
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#24
by
R.O.R-2.0
on 31 Oct, 2012 12:32
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you are gonna need a seriously big external wastegate to bypass that K03 at high RPM..
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#25
by
justiz00
on 31 Oct, 2012 12:59
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The pen and paper for my similar build was 250 crank hp, 34 lb/min at a 3.2 p/r. Boost was in the 30's. Not many turbos out there in that range. I don't know how it would work in a sequential setup(bypassing small one after spooling). Would the smaller turbo move the surge line to the left on the compressor map?
Garrett GTX2863 abd GTX3076, both are in the 73-74% range of the map as a single (on paper).
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#26
by
Alcaid
on 31 Oct, 2012 14:36
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Maybe 27lbs/min would give you 250 real bhp on a petrol engine but less on a TDI and even less than that on an IDI. I'll give you a couple hints: BSFC, AFR and VE. Read up, compare the different engines and consider what you learn to be the proof that you are making WILD claims.
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#27
by
Hoble
on 31 Oct, 2012 17:41
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Lost me at compressor mapping...
The k03 is still up in the air. If I can find another turbo a little bigger then I will grab that instead. Like I have said before, this is my first true top to bottom build and I am expecting to go down a few wrong roads. If I have to changes things then I will. But as I am now I am basing things off of research I've done, what people have told me and sheer guessing.
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#28
by
bugnut
on 31 Oct, 2012 21:40
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if your still looking for rods look at Pauter. They got some good stuff. That is what I am running in my Franken Engine. I bent the stock rods. 3 out of 4 were bent. So far with these not a problem.
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#29
by
Hoble
on 31 Oct, 2012 21:51
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if your still looking for rods look at Pauter. They got some good stuff. That is what I am running in my Franken Engine. I bent the stock rods. 3 out of 4 were bent. So far with these not a problem.
yea i actually was just checking out that site today and sent off an email. how where they quality wise?