dsmlights

hey guys well finally I installed 3.6 pulley and tuned the car without meth. I added the meth the car is running pretty rich. mid 10s and sometime low 10s. What do you guys think about this ??? Is it too rich how much power am I loosing here.

I am also trying to rev the car to 6600 or so and I am running out of fuel up to as you can see the duty cycle of the injectors is 100%.

I am really thinking of just going to a meth dependent tune just to gain a bit more power and to help my injectors out up top so they don't go static.

I just want to know how reliable has meth tune been with you guys. I have the alcky control system . So I can test it and make sure all is good. But how much better is the meth tune, specially in the power.

thanks.

Milan

Mid 10's is way too rich, you are losing a lot of power.

Pull like 5% out and see where that gets you. Maybe shoot for mid to low 11's, that will help a lot.

CamminC5

I'm in Homestead for a 2 more weeks. I'd be willing to ride around and help you tune..

cobill1972

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I run meth on both vettes and on one it's a V3si with a 3.4 pulley. What injectors are you running/fuel system, and yes with AFR's in the mid 10's I think your leaving a lot on the table. I'd back it down to mid 11's and then work on your timing. With the meth I would think that you'll probably end up around 17-18deg of timing once it's all said and done. If your going to do a meth reliant tune then you should see your INJ duty cycle back down as well once you lean it up a little,but I'm still wondering what your doing for your fuel supply. Also are you runing a SD?

Bill