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Post by 383impyss on Dec 24, 2013 5:42:55 GMT -5
Ok so I have been trying to tune my 96 Impala SS for about 2 months and I have just about had it. Is there anyone that can tune this for me? The Idle KPA is extremely high. VE map starts at 100.7 KPA and never drops, headers get hot when its under load. Coughs and backfires under WOT. I have read every manual and forum about setting up and tuning and I am stuck. I have a 96 Impala SS
Newly built All forged LT1 383CID about 9:1 Compression (I have a supercharger to put on after break in).
Ported TrickFlow Heads and a 296/302 110 Lobe Lunati Cam.
Stock injectors24lbs , Edlebrock Lt1 Ram intake Manifold
3.73 Rear gears and completely built tranny.
ECU is Megasquirt II v3.57.
I cant attach my tune because the file is too big but I can email it to anyone who want to take a look.
Please Help!!! I am willing to pay to have it tuned. |
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Post by wesk on Dec 26, 2013 12:12:52 GMT -5
Have you plugged in the MAP sensor? It sounds like the answer is no.
Have you verified commanded timing equals actual? Sounds like no.
Where are you getting ignition setings and trigger offset?
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Post by 383impyss on Dec 27, 2013 11:33:21 GMT -5
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Post by wesk on Dec 27, 2013 12:19:26 GMT -5
The MAP sensor in the MS, or the one that originally came with the engine? If the map reading nevers moves off the key on, engine off value even when running, it is broken or not connected.
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Post by 383impyss on Dec 27, 2013 22:57:10 GMT -5
The MAP sensor I am using is the one installed in the MS2
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Post by wesk on Dec 28, 2013 9:05:45 GMT -5
But MAP pressure never changes from intial key on value?
I would ask to you post a log and .msq file, but the forum is having issues with that at the moment. If you genuinely are seeing no change in MAP pressure (but it is reading atmosphere, so sensor isn't bad), it is likely the hose or vaccum source
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Post by Stinger on Dec 28, 2013 23:46:39 GMT -5
Upload issue mentioned above is fixed.
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