Missing at WOT/ weird afr
Regardless if 9K is just a limit or margin of rpm in your words, on a stock rod your gonna have a much bigger problem than a tune if you keep revving that high. Your gonna have a Big @$$ hole in the block. I would not recommend revving the stock block stock internals past 8k.
Also as far as the AF are you watching it while holding the throttle steady while cruising, if you let off the gas its gonna gonna dip then come back to around 14.7-15.2
Also as far as the AF are you watching it while holding the throttle steady while cruising, if you let off the gas its gonna gonna dip then come back to around 14.7-15.2
Just took car out to monitor the afr and cruising freeway speeds car reads from 15-17.8 and then blank since aem does not read leaner then this, constantly fluctuating through numbers but is in a range of 15.6-17.8. During acceleration it reads closer to 14-15 steady. I didn't check WOT but coming home from the tuner it read 11.8-11.2 steady.
I understand the concern everyone has for the whole lunatic revving but like I said, I don't aim to hit such a high rpm every pull, but I was doing 8.5k often so I'm going to stop that n bring it down to 8k.
I'm confused on what the tuner did.
Brought car in saying I need a re tune because of sketchy afr, the car was missing up top. And that's it
What I got was:
-them not touching the plugs (which is not a big deal 5 minuets of my time).
-Then a dyno/tuning session on low boost where I put down 50 less hp( I never asked to get tuned on low boost and don't have the equipment to return it to full boost+ ebc not mbc) I was told once I turn it up I'd be at the same power.
Just took car out to monitor the afr and cruising freeway speeds car reads from 15-17.8 and then blank since aem does not read leaner then this, constantly fluctuating through numbers but is in a range of 15.6-17.8. During acceleration it reads closer to 14-15 steady. I didn't check WOT but coming home from the tuner it read 11.8-11.2 steady.
I understand the concern everyone has for the whole lunatic revving but like I said, I don't aim to hit such a high rpm every pull, but I was doing 8.5k often so I'm going to stop that n bring it down to 8k.
I'm confused on what the tuner did.
Brought car in saying I need a re tune because of sketchy afr, the car was missing up top. And that's it
What I got was:
-them not touching the plugs (which is not a big deal 5 minuets of my time).
-Then a dyno/tuning session on low boost where I put down 50 less hp( I never asked to get tuned on low boost and don't have the equipment to return it to full boost+ ebc not mbc) I was told once I turn it up I'd be at the same power.
I understand the concern everyone has for the whole lunatic revving but like I said, I don't aim to hit such a high rpm every pull, but I was doing 8.5k often so I'm going to stop that n bring it down to 8k.
I'm confused on what the tuner did.
Brought car in saying I need a re tune because of sketchy afr, the car was missing up top. And that's it
What I got was:
-them not touching the plugs (which is not a big deal 5 minuets of my time).
-Then a dyno/tuning session on low boost where I put down 50 less hp( I never asked to get tuned on low boost and don't have the equipment to return it to full boost+ ebc not mbc) I was told once I turn it up I'd be at the same power.
I would take the car back to the tuner and see whats up, maybe have a boost leak test done as well.
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tsherriff
General Engine Management / Tuning Forum
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Nov 29, 2007 11:20 AM