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SO I was given a turbo off of a 2007 Dodge Caliber SRT4. It only has 700 miles on it. I cannot find the specs though. There are all kinds of numbers on the turbine housing as well as, I would say, a few different serial numbers. I search them online and get the big goose egg! Nothin! The numbers I see are like this:
389-13910 6Y20 110 D5S DSP 1
On the impellor housing the numbers look like serial numbers...
04884820AD 49189-07220 061219074
There are also a few numbers on the waste gate:
49189-19910 05246 10867 95
Does this mean anything to anyone?
I looked on a Caliber web site, nothin! I looked on the GARRETT site, nothin! I tried looking on the mitsubishi site, nothin!
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Dodgy, That turbo is off a very small motor compared to the 250. Don't think it will work very well. Maybe if you had 2 of them. Get some measurements from it and post them. Tom
Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com
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The turbine and impellor both look to be 48mm.
I know it is off of a small 2.4L and that the sizing would choke the 250 once it got reving. But at what point would it choke? I only want my engine to spin to 4500 or so.
The only reason I am looking into this unit is that it was given to me and is in perfect working order. Again, I am not looking to go wild with my engine. 350HP would make me very happy!
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All I could come up with is that it's a TD04 turbocharger
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Ok. So the unit have is out.
I keep reading that the grand national turbo is great for the 250... trouble is, I am not sure what that turbo is. What size or description, that is. I got onto a turbo buick site and into the classifieds... but I cannot tell what is what.
I am sorry for the questions coming from lack of experience... but you guys have been very helpful to me! Thank you!
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So I was just looking at the auctions that were posted...
In anyone with more experience(s) opinion... what is going to be the best sizing for this application?
250 ported head with 1.94" & 1.60" valves 292 exhaust manifold stock cam stock rods and crank (balanced) either a 500 or 650 cfm carb DRAW THROUGH... no room for an intercooler water/meth injection 700r4 trans with shift kit and 2000 stall currently 3.08's maybe going to 3.73's looking for 350-400HP
I see a lot of .63 A/R. Is this ideal or would the .58 or even .53 be better for my low rev application?
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This turbo would be the best turbo from the auctions: http://cgi.ebay.com/ebaymotors/Mitsubish...sQ5fAccessories.53 will spool up faster on the exhaust side. But you want 350 - 400 HP,then you would need a .63 turbine housing A/R & a converter that stalls from 2200 - 2400 for best spool up w/a 250 engine. I would recommend a lock-up torque converter also. Depending on what tire size you are going to use,a good gear ratio is 3.42 On the compressor wheel,a 57 MM wheel is a good size also. Here is a stock GN turbo for sale. http://www.turbobuick.com/forums/parts-sale/308585-misc-stock-parts.htmlMBHD
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On the compressor wheel,a 57 MM wheel is a good size also.
MBHD [/quote]
Would a 60mm compressor be too much?
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Yes a 60MM will work also. MBHD
On the compressor wheel,a 57 MM wheel is a good size also.
MBHD
Would a 60mm compressor be too much? [/quote]
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You really want to be more careful picking the exh housing and wheel. Pick too small and boost will be hard to control. P trim and a .68 or bigger on the 60mm turbo would be a start. Tom
Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com
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It all depends on what your plans are for your vehicle.
Do you want it to boost up right away?
Have a low rpm stump pulling engine?
What are your plans,goals or ideas?
MBHD
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I would like to have a stout little street machine... this car is a daily driver in the true sense. I drive it all winter (in Canada, no less).
I do NOT want it to spool instantly. I would like a little lag so that I can get moving before I have full power going. Maybe 60ft or so before the engine really begins to pull. I need to be able to leave a light under some throttle without burnin the tires. That said, this engine will probably not rev higher than 5000RPM (I don't think the stock cam would allow for it to!).
Does this seem realistic?
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No turbo produces boost at low RPM and light throttle, unless it's badly sized and matched - you're fixing a problem that doesn't exist. Turbo too small means higher exhaust back-pressure all the time, and high exhaust manifold and turbine temperature.
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panic~ That is what I am trying to say... I don't want the boost to come on strong at the low end with part throttle... I want to be moving when the boost comes on!
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Try playing around on this site. Plug in your numbers, highlight a turbo and it will show you the map and where your engine will fall within it. http://www.squirrelpf.com/turbocalc/
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This is one that I came accross: 3" Air Inlet - 2" Air Outlet - Wet Floating Bearings - 1/8 NPT Oil Inlet - Standard T3/T4 Flange - 350 WHP Swaps - 5~20 PSI Working Pressure - .60 A/R Compressor - .63 A/R Turbine - Compressor Wheel: 3" Exducer , 2" Inducer - Turbine Wheel : 2.2" Exducer , 2.58" Inducer
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