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will my car run untuned with these mods

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Old 10-02-2007, 04:30 PM
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Default will my car run untuned with these mods

Stage 2 5.3 patriot heads 2.02 1.56. ls1speed comp cam 231-237 591 601 114+2 comp pushrods slp oil pump....not talking about driving...just wondering if it will idle with the stock tune after we get it put together. thanks
Old 10-02-2007, 05:56 PM
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it should but when you walk behind it your eyes and nose will burn!
Old 10-02-2007, 06:37 PM
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It'll run long enough for you to get it to the nearest dyno
Old 10-02-2007, 06:48 PM
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Yeah, but I wouldn't suggest doing much in it.
Old 10-02-2007, 07:44 PM
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also it's an a4...will that have any effect? aren't the idle speeds different than m6's?
Old 10-02-2007, 08:05 PM
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it will, Im still using my stock tune on my car (with a bigger cam) and I can actually drive it to the dyno.
Old 10-03-2007, 05:47 AM
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i'm driving mine unteuned, stageII ls6 heads, 226/226cam fast90/90 and more..

idles at 1200.. smokes like snoopy,
Old 10-03-2007, 11:25 AM
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With the A4 it will surge and die at stop lights and things like that, Your best bet is to have it towed to the dyno. My friend did AFR heads and 224/224R 112 LSA cam and his car surged really bad at idle. At stop lights he would have to put it into neutral and feather the gas. When i did my car it idled well enough to drive to the dyno only about 40 min, but i have a M6.
Old 10-03-2007, 12:09 PM
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Twiddle the idle screw on the TB. You should be able to get it to tick over, however be careful about driving it as your AFR will be all over the place. Mind you not sure how that will work on the A4. Wont the car try to pull away as it thinks its got throttle.

Best option is to either trailer it or get a mobile tuner to take a look.
Old 10-03-2007, 02:49 PM
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damb rights, if the dyno isn't too far I'd limp it there. I will be doing this next spring with 2 cars. Can't wait for the turn of the key




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