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It looks like you did two dyno pulls back to back. That is low for your mods. Do a complete check of your car. Next time you go I would pay the extra and get the Air fuel ratio done. I am going to hazard a guess that you are NOT at 17 degrees advance. You have the underdrive pullies right. I watched a sentra dyno the other day with stock pullies and his car was set at what looked like 28 degrees advance. We backed it down to 17 and he lost over 20whp. Put it back to 28 and it was right back to 138. I would put a mark on your distributor and slowly advance the timing until you lose power. You don't need to go into timing mode to do this just move it the width of a penny or two each time. Of course it could be something else so keep your eyes open for other things also.
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Steve
06 G35 6MT
Last edited by 98sr20ve : 09-02-2002 at 10:51 PM.
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