Need help on a tune! - ModernCamaro.com - 5th Generation Camaro Enthusiasts
V8 Engine Discussion 6.2L LS3/L99 V8 | Exhaust | Ignition | Induction | Intakes

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post #1 of 12 Old 08-17-2013, 01:44 PM Thread Starter
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Need help on a tune!

Ok guys just got my car back from my cam being put in. I have a brand new Diablo InTune I1000 tuner. They told me if i do it right it would really wake the cam up. But i dont know crap about tunes. They told me to mess with my injector settings. I have no idea. What do i change and what do i change it to?

Thanks!
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post #2 of 12 Old 08-17-2013, 02:35 PM
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Have a mail order tune done. Tampa Tuning is one of the best, plus they're a forum sponsor.

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post #3 of 12 Old 08-17-2013, 05:19 PM
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Quote:
Originally Posted by r.deffendall View Post
Ok guys just got my car back from my cam being put in. I have a brand new Diablo InTune I1000 tuner. They told me if i do it right it would really wake the cam up. But i dont know crap about tunes. They told me to mess with my injector settings. I have no idea. What do i change and what do i change it to?

Thanks!
Let me give you some advice...DO NOT do anything with that tune yourself and DO NOT drive that car until it is tuned correctly. Nothing other than a dyno tune can accurately and properly tune a car once a cam with different specs is installed. This isn't a cold air intake or headers. Those can be tuned with relative ease through a custom emailed tune. A cam is different. Different lift, duration, and LSA on the intake and exhaust lobes. These all change how an engine operates at every RPM. DO NOT mess with those injector settings. Especially if you don't know anything about how they work. It isn't all just about the injector slopes anyway. Your spark tables and MAF function tables will need adjusting as well. And if you don't know how they work, you can seriously damage your engine. Frankly, that company that installed the cam should not have let you drive off with the car that way...under no circumstances. Any shop or mechanic who knows even the basics of how engines operate would know better than to do that.

And look, don't take any of this the wrong way. I'm not attacking you or your build. But I suggest you park your car and have it towed to that shop first thing Monday morning or the next time they're open and have them dyno tune the car correctly. And make sure you have that warranty (if any) in writing and handy. Because if you've been driving that car and getting on it with that cam in it and untuned, then chances are you're gonna need that warranty. Keep us posted.

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post #4 of 12 Old 08-24-2013, 08:04 AM
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Quote:
Originally Posted by r.deffendall View Post
Ok guys just got my car back from my cam being put in. I have a brand new Diablo InTune I1000 tuner. They told me if i do it right it would really wake the cam up. But i dont know crap about tunes. They told me to mess with my injector settings. I have no idea. What do i change and what do i change it to?

Thanks!
Is this "they" you speak of some shade tree mechanic? Call Tampa tuning...
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post #5 of 12 Old 08-24-2013, 03:31 PM
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I cant believe they let you leave like that. It's like a dentist drilling your tooth and telling you to fill it yourself.
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post #6 of 12 Old 08-24-2013, 04:23 PM
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Yeah PM Phil @ Tampa Tuning.

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post #7 of 12 Old 08-25-2013, 06:17 AM
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Thanks guys.
I do find it odd that a shop would do an install and not have a tuner lined up for you. I sell a lot of Mail order tunes but its only with HP Tuners. The more you do to the car, the harder it is to make the mail order tune work properly. With bolt ons, its easy to do. With forced induction, I really dont do mail orders on because guys mix an match parts so much so much can go wrong.

I know a shop that only does one kind of forced induction build and they use the same tune over and over again and just plus or minus some timing and fueling. That's crazy.

I would not "mess with the injectors" unless you have changed injectors. Then if you have, I use a spread sheet on specific injectors. You can just wing it.

If you use an cheaper off brand injector and they didn't supply the calibration data, it doesn't work. Ive seen local shops drill out injectors to flow higher numbers. That's great that you have 30 pound injectors that flow 40 pounds now, but where's the data I need for all the voltage changes and pulse strategies.

Injectors are where the tuning starts. If that information is not correct, the rest of the calibration will be calculated incorrectly.

If you have HP Tuners, I may be able to help you depending on your build. If you dont, google a dyno shop near you and have the car done right.

I hope that helps,
Phil

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post #8 of 12 Old 09-03-2013, 01:21 PM Thread Starter
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Thanks every one! and thanks Phil! Well they told me it would be fine to drive lol! I mean it runs fine and you can hear the cam and you can tell the power increase but they say the tune will double the sound and power. Only other things im doing is headers and cold air intake. Also functional ZL1 ram air hood it being put on if thats helps. Speedy Dyno in Owesnboro KY is wanting to tune my car. SCT tune and dyno run.
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post #9 of 12 Old 09-03-2013, 09:53 PM
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Don't drive your car without a tune. Don't even start it.
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post #10 of 12 Old 09-05-2013, 12:26 PM
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Quote:
Originally Posted by r.deffendall View Post
Thanks every one! and thanks Phil! Well they told me it would be fine to drive lol! I mean it runs fine and you can hear the cam and you can tell the power increase but they say the tune will double the sound and power. Only other things im doing is headers and cold air intake. Also functional ZL1 ram air hood it being put on if thats helps. Speedy Dyno in Owesnboro KY is wanting to tune my car. SCT tune and dyno run.
i dont know why they told u that, but an untuned cammed car is very dangerous

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