PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

do i need a tune

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Old Feb 17, 2010 | 12:28 AM
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hello i have had my 99 camaro ss for about a year it has flow masters slp lid kn filter ported bbk ssi intake bbk 85 mm tb bump stop mod and granatelli maf have not started it yet sitting in my shop how important is it to get it tuned can i ru it safe without one
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Old Feb 17, 2010 | 12:29 AM
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o yeah thanks in advance
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Old Feb 17, 2010 | 12:36 AM
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you might not need one.. but, the MAF might give you trouble. Get some dyno time and see where your AF is at... a stock tune can always be tweaked for more power. Just a matter of the $ you want to spend for dyno and tune time.
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Old Feb 17, 2010 | 07:18 AM
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Ditch the granatelli.....
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Old Feb 17, 2010 | 09:43 AM
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Originally Posted by moehorsepower
Ditch the granatelli.....
+1
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Old Feb 17, 2010 | 09:49 AM
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Originally Posted by moehorsepower
Ditch the granatelli.....
+2

that thing will only cause you problems...

put the stocker back on...
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Old Feb 17, 2010 | 10:04 AM
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get the 85mm maf off the vettes or the trucks.
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Old Feb 17, 2010 | 10:23 AM
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sell the granatelli +2 just get some dyno time.... or instead of paying $$$ for dyno time pick yourself up an innovative lc1 wideband
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Old Feb 17, 2010 | 03:05 PM
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Yes you will need a tune. F-bodys are tuned thru the Mass Air Sensor! So when you change to a bigger one or an aftermarket one a new tune is needed.
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Old Feb 17, 2010 | 04:08 PM
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Is it an A4 or M6? The auto's tend to benefit the most when the cars are modded minimally. Properly tuned the car will feel more like what a sports car should with regard to the transmission settings. If it is a M6, turning off skip shift is always nice. A base tune now could get the car ready for future mods !CATS, !AIR, !EGR for example.

With regard to overall power, there won't / shouldn't be a huge gain if the car is running right to begin with.

Lastly, getting good baseline numbers now will let you know how much your future mods really gained, as opposed to just going by what the internet sez you should have.

Doc
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Old Feb 18, 2010 | 12:37 AM
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Originally Posted by moehorsepower
Ditch the granatelli.....
if i get rid of it and goto a 85mm maf should i pull the honey comb mesh out of it i have head mixed opinions
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Old Feb 18, 2010 | 12:49 AM
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Originally Posted by brandon48080
if i get rid of it and goto a 85mm maf should i pull the honey comb mesh out of it i have head mixed opinions
I did on mine and I had no issues for the ~4 years I ran one... but, after I got used to EFIlive I yanked the MAF completely and went speed density.
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Old Feb 18, 2010 | 01:10 PM
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Originally Posted by brandon48080
if i get rid of it and goto a 85mm maf should i pull the honey comb mesh out of it i have head mixed opinions
I would leave it as is...
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Old Feb 18, 2010 | 01:55 PM
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no, do not pull out the screen...
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