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Mar 13, 2006 15:08:29 GMT
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Well this is a silly idea, the first problem isnt oil feed as there are long lines in cars normally (pressure gauge?). The real problem is oil drain as this would need to be scavenged with a pump back to the sump. Also as turbos work on the heat that is still in the exhaust from combustion, this turbo totally misses the point! The difference in energy between the head and the tail pipe is massive so the turbo will be sluggish to come on boost, and also never reach it full boost potential that it would have next to the engine.
Thats a resounding no from me!
If you want an easy turbo, cut a big hole in your bonnet and have it sticking out, no heat problems (apart from the manifold but thats always there!) oil drain is easy going straight back into the engine under gravity.
J
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MWF
Posted a lot
Posts: 2,945
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Mar 13, 2006 15:34:24 GMT
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As mentioned the guy developing these kits claims the turbo can be smaller due to its location and doesn't suffer from being sluggish.
As far as I remember he'd developed a self contained oil system which is installed along with the turbo. Only his early kits shared the engine oil.
I don't for one second think that this kit is ever going to be as good as mounting the turbo next to the outlet ports but I do think that it's a very fair compromise between performance and installation costs.
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Mar 13, 2006 17:44:15 GMT
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Typical American "Tooning" Half d approach without a full understanding of the concepts or physics involved But it feels better so it must be the next big thing Feels better than standard according to the article but I bet they have never run it up against a Proper Turbo install on the same platform Got absolutely no idea but I bet they sell loads and then it will become gospel ;D
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MWF
Posted a lot
Posts: 2,945
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I dunno I kinda really like the American barn tuning mentality.
In this country we pain ourselves so much mentaly and financially doing things how we determine 'right' but we never seem to step back and take a look at what we are trying to achieve. We get so hung up on doing it the best way we simply never get it done in the first place.
Turbomustangs.com have shown the car tuning world that huge power can be obtained cheaply and easily in a DIY fashion by simply strapping truck turbos to old V8's. Meanwhile in the UK people are paying tuning specialists 5 figure sums to get the same power figures.
I guess maybe it's something quite close to me, I have read so much forum theory on how turbo manifolds should always have equal length headers, how you don't want a T3, you want a T3/4 with an external wastegate, how you -have- to have a 3D mappable ECU with proper boost control and get your compression down to 8.5:1, yet the TurboTechnics kit on my XR4x4 had non of that and worked fine and due to it's primitive engineering was very cheap. Add to that a friend of mine turbo converted his trans-am from scrap yard parts and I just can't get into the UK 'correct way of doing things' mentality. It's good from a theory point of view but not always in a practical sense.
Lets face it, there's always a better way of doing things but the line has to be drawn somewhere.
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Mar 14, 2006 14:59:07 GMT
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My turbo set up was effective and cheap, but it was also a lot better thought out that a lot of the american trash. Thinking logically through the problem is a vital part of it being solved, and this rear turbo hasent been thought out very well.
It uses an external wastegate and has to have a scavenge system, neither of which are cheap! This kind of defeats the whole idea of the system, and i can guarantee that a home brew turbo setup using a junk turbo will work more effectivly.
It just seems to cut corners and raise the cost all at the same time!
J
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