turbo upgrade
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turbo upgrade - 12/6/2004 12:40:38 AM
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96gsxpimpin
Posts: 16
Joined: 11/15/2004
Status: offline
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I have a 96 eclipse gsx i was wondering what i should get for turbo upgrade i have a boost controler and im giveing off 15 pounds of boost on a stock turbo what would be a good upgrade and would i need a kit for it and whats the cost of this
THAnx
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RE: turbo upgrade - 12/6/2004 10:10:07 PM
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SpyderGS
Posts: 1015
Joined: 2/15/2004
From: United States
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Yeah, also invest in a pocketlogger, it's a cheap way to get very accurate readings on your engine. Datalogs and gives info in real-time! Also, only like $175.
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RE: turbo upgrade - 12/7/2004 3:07:40 AM
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Spyderman9803
Posts: 383
Joined: 3/2/2004
From: United States
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BIG 16G's are fun....they don't lag much yet at the same time it becomes extremely necessary to upgrade injectors....i went with 550's, GM MAF, and MAFT.....I had it street tuned at a local shop for around $50.....I'd highly recommend it just be careful because the stock 12 lbs will feel alot different with that turbo coming from the stock T25...
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98' GSX
99' GS OZ Turbo
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RE: turbo upgrade - 12/8/2004 2:24:20 PM
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SpyderGS
Posts: 1015
Joined: 2/15/2004
From: United States
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At 12lbs, you're probably making over 250hp. Actually, you brought up a good point Spyderman. The MAFT is probably the best bang for the buck mod available for dsms.
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RE: turbo upgrade - 12/11/2004 4:16:26 AM
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Spyderman9803
Posts: 383
Joined: 3/2/2004
From: United States
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oh yea....i put down a few more numbers than that...its def. a great investment....the stock MAF just limits the car tooo much....I tried something new and it opened up a whole new ballpark
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98' GSX
99' GS OZ Turbo
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RE: turbo upgrade - 12/12/2004 3:18:41 AM
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antomx
Posts: 81
Joined: 9/1/2004
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Hey...whats a maft?
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RE: turbo upgrade - 12/14/2004 12:03:27 AM
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SpyderGS
Posts: 1015
Joined: 2/15/2004
From: United States
Status: offline
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MAFT is the abbreviation for MAF translator. The MAF is the Mass Airflow Sensor, and it fits in between the filter and the intake manifold. What it does is measure the amount of air coming into the engine using the Karman-Vortex method(as air passes by an obstruction, like a honeycomb shape, it spirals and creates little vortices(plural vortex...i think). These vortices are directly proportoinal to the amount of air flowing past and density of the air.) Anyways, the MAF sensors on DSMs are...sub-par. Well, actually they do a good job, but have trouble going past 450hp and are like a bottleneck from as low as 350hp on the 1g's. Back in the day, many tuners tried to find alternate ways to measure incoming air and translate the signal into something the stock ECU could understand(the karman-vortex maf Mitsu uses sends a frequency signal as opposed to a voltage or pulse signal). Back then, Ford Mustangs had the best MAFs available and the ARC2 system utilized them and were compatible with the DSM ecu with some modification. HKS developed a MAP based system, which eliminated the MAFs altogether and replaced it with Manifold Absolute Pressure(from which the name is derived) sensor. This system is possibly the best setup since it presents no restriction in flow. However....there's always a bad side. The bad thing is that it's super expensive....like really expensive. Now DSMer's aren't made of money and have tried to find a cheaper way to improve their situation. Then the GM camp invented a device that can alter the signal they use on they're MAFs. Those crazy GM guys....always tuning their LS1's, LT1's, and GN's. Well...a nice DSM guy who could tolerate the chevy guys decided to see what these guys were using to fuel tune their cars with. Low and behold, they had been using a device that alters the signal sent from MAF. This seems really cool since the GM MAF's were absolutely huge and would never present a restriction in the intake system(they can be as large as 3.5 inches), they were ropund so intake piping of any size was easy to fab up, and they can be cleared of all the honeycombs inside the sensor since only 4 thin wires hold the actual sensor in place. So the whole thing can be extremely cleared out, you should look up a picture on the internet some time to see how "empty" it can be. Anyways, after some thinking this DSM guy decided to use the Fuel tuning device used by the GM guys, which they called the MAF Translator, to replace the DSM MAF, much like the old ARC2 system used to do. However, The MAFT was much cheaper than the ARC2 and much more available. Also, it was compatible with a large array of GM MAF sensors, and GM has been using MAFs for a looong time. So when this DSM guy decide to change the MAFT to work with a DSM, he killed two birds with one stone. First, he got rid of the Stock MAF restriction, and secondly he gained a fuel tuning device, which was very easy to use and program. So he integrated the MAFT into DSM community and was famous and made lots of money! Well now you know.
I don't know if that is true or not, i mean about the dsm guy, everything else is true....
But now you know!!!
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RE: turbo upgrade - 
. I have too much time on my hands, i should be studying.....
