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Discussion Starter #1
Stock z6 ebay turbo kit 50 trim at 5psi. Dsm 450's going in tomorrow.
S200 engine management. No tune yet. Just base map


Put turbo on 2 days ago. Drive fine first day. I didn't take it above 3500 4000.
Every once in a while it breaks up till the turbo begins to spool. I've searched to see if its just bc it isn't tuned of if its a sensor.
This is my first turbo built so I don't know very much.
Any input would be great.
 

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sounds like it might be running lean. get a tune and colder plugs but thats just my thoughts
 

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Discussion Starter #3
I didn't think it was lean. Smells like fuel in the exhaust. Tune in a couple days so not driving till then.
I have colder plugs. I forgot to ad that.
 

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do you atleast have a basemap to run the car?
 

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Are u getting into boost? Because from what I read is ur running boost on stock injectors. If that is right then there is ur problem. Your not giving enough fuel for the turbo. Now if the 450cc are in right now and the ecu has a basemap to run the 450cc then the base map is probably to rich.

Now if ur ecu is set for 240cc and u have 450cc installed. Then out of boost ur rich as hell since ur dumping almost 2x the fuel. Then when ur hit boost where ur still rich but not so much.

Simple like ur said don't drive till ur tuned
 

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first off, why are you driving a car IN BOOST, WITHOUT A TUNE?

a basemap is simple to START the car, NOT TO DRIVE THE CAR.

stop driving your car before you blow it up.
 
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