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Get someone who absolutely knows what they are doing tunewise for this application, and it will be resolved. There have been tuners out there who can dial in everything but idle, and adjust idle by drilling holes in the throttle body. This isn't the right way to do it, and will cause the problems you describe, amongst others.
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May 4, 2014 04:23
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| # ¿ May 11, 2024 20:49 |
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Automatic Retard posted:I'm seriously comsiderimg adding a centrifugal supercharger to it but I think they make the whole engine bay look ugly. I had a D1-SC powered LS1 that made 681 RWHP (mild blower cam, headers, ported heads, LS6 intake, bigger crank pulley (for the blower), smaller blower pulley, and it was fully built. I'm near 100% positive a GOOD tune will fix your issue. Some of the first tunes I had resulted in similar issues, and I found the guy had tuned WOT, and "fixed" idle by drilling holes in the TB plate to allow it to idle. This wasn't the right way, obviously, and I didn't find out until I went to resolve them. A centrifugal blower won't fix the issue. My buddy with a LS1GTO had a maggie on it, and it had none of the problems you describe. The type of blower isn't your problem. In fact, a positive displacement blower should have even more down low than a turbo/centrifugal blower.
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May 5, 2014 01:53
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JaySB posted:Since we're sort of turning this into an LSx thread…. If you put headers on it (if they are anything more than shorties), you should get it tuned. You can have that code turned off with the tune, or just put 02 simulators in place of the second O2 sensors. Your first set of sensors are not causing this code to be thrown and should be left alone. To reiterate, it is your post cat O2 sensors you should just drop O2 simulators into. Way2slow fucked around with this message at 21:00 on May 17, 2014 |
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May 17, 2014 20:57
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