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dr boost, tuning question....(long)
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Posted by kooch (more from kooch) on Wed, 6 Nov 2002 18:51:00 Share Post by Email
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things are going well so far with the tuning of the wolf system. the base maps seem to be falling together quite well. however, i am having trouble with the cold start and running. the symptoms are as follows:
- on cold start the engine will crank quite a bit before finally catching
- once started, the engine seems to run ok, but when i push in the clutch, the engine will drop below idle range and almost stall. so i am forced to use the right foot to brake and hold the throttle to keep it from stalling.
- these symptoms disapear when the engine is above 60 degrees C, where it runs quite well.

i have the ability to alter the base fuel map for each 2 degrees C from -64 to about 300 C of engine water temp. i can also adjust the starting fueling within the same parameters.

i have a 90 900 turbo with the following: 72# injectors, t3-60 turbo, 2.1 intake, 3" downpipe and exhaust, ported head, hot cams, and a few others...

since the car runs fine once it's warmed up, i am leaning towards a problem in the warm up maps. but i can't seem to be able to adjust it out. when i increase the fuel at a temp, it begins to miss, when i decrease the fueling too much, it dies.

any suggestions? thanks....

posted by 208.139.6...

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