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Tuning / Diagnostics -- engine and transmission Tune and diagnostics for engines and auto transmission.

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Old 11-30-2012, 10:42 AM   #1
mattsfirstSS

 
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Suggestions before a tune?

So i am getting a tune soon and I have been reading on here a lot and I am trying to compile a list of things I want to make sure we do. Can people please add to/correct this list. Im sure a good tuner will know this stuff but I want to know it too.

Ive been trying to put ideas together of things i want to make sure they do.

1. Disable AFM
2. Set LTFT at high octane table and leave it
3. Adjust A/F ratio due to intake
4. Adjust torque management for aggressive "sport" mode
5. Check knock sensor sensitivity
6. Set fan to work at lower temp it hot in the south
7. anything they want to do to make my car faster
8. ????
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Old 11-30-2012, 10:51 AM   #2
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My only suggestion is to take it to someone that knows what they're doing or you might end up in the same boat as the guy from Oregon that couldn't get his to pass emissions.
Also, kiss that warranty goodbye.

Not saying that's a bad thing, just dont want to be reading a post in a couple months hearing how the dealer won't honor the warranty because you tuned it.

But you probably already know all of that...

Dyno before, Dyno after... Pics or it never happened!!
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Old 11-30-2012, 11:08 AM   #3
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Originally Posted by paul84043 View Post
My only suggestion is to take it to someone that knows what they're doing or you might end up in the same boat as the guy from Oregon that couldn't get his to pass emissions.
Also, kiss that warranty goodbye.

Not saying that's a bad thing, just dont want to be reading a post in a couple months hearing how the dealer won't honor the warranty because you tuned it.

But you probably already know all of that...

Dyno before, Dyno after... Pics or it never happened!!
LOL i'll be sure to post pics, hopefully I can get my new gears in before I tune so I dont have to do it again in a month.

Yeah thats why im trying to find out and think of everything possible too. I am finding the best guy I can find but still like to be prepared.

No warranty, no worries.

Someone suggested street tune also...thoughts? I mean I guess the real test is how it drives. Do shops usually do that or is it extra?
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Old 11-30-2012, 11:36 AM   #4
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most dyno tunes are WOT tuning, i know National speed and Carolina dyno is a load dyno so they can simulate some street conditions, but theres nothing like the real thing. driving around on the street will allow them to log fuel trims , knock etc and dial it in so you can get good drivablity and good WOT performance. this really plays into affect once you cam the car, the street tune will make or break the drivability side . just make sure tell them you want that done.
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Old 11-30-2012, 11:37 AM   #5
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the number one thing that will be night and day is the transmission tuning side of the tune. This is what REALLY wakes up the feel of a auto car. take torque managment off and bump line pressure a little . it will feel like a different ride !!!!
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Old 11-30-2012, 11:52 AM   #6
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the number one thing that will be night and day is the transmission tuning side of the tune. This is what REALLY wakes up the feel of a auto car. take torque managment off and bump line pressure a little . it will feel like a different ride !!!!
Your just a wealth of knowledge huh sharkss lol. been talking to cyberbri about getting together sometime btw.

Cool, turn TM off, got it.

8. Bump line pressure
9. request street tune

left a message at carolina dyno, told em chilly (mike) sent me. waiting for a call back.
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Old 11-30-2012, 12:11 PM   #7
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They are closed until monday they all are at the big PRI event in flordia, its like sema for just performance stuff and its only for buisness /performance type shops, not open to public. im sure they will be in contact with you soon. also tell them Matt " My name too" sent you there.
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Old 11-30-2012, 12:13 PM   #8
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and just so you know , Carolina dyno reads lower than National speeds. Mine put down 422 at National speed and 400 at carolina dyno. Dont get to worried about dyno numbers run it at the track and watch Mph that will show the power the car is making e.t will depend on traction LOL
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Old 11-30-2012, 12:46 PM   #9
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They are closed until monday they all are at the big PRI event in flordia, its like sema for just performance stuff and its only for buisness /performance type shops, not open to public. im sure they will be in contact with you soon. also tell them Matt " My name too" sent you there.
Oh cool, i was wondering, i called twice. I'll tell em Matt sent me also, thanks.

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and just so you know , Carolina dyno reads lower than National speeds. Mine put down 422 at National speed and 400 at carolina dyno. Dont get to worried about dyno numbers run it at the track and watch Mph that will show the power the car is making e.t will depend on traction LOL
yeah I like to say the numbers wont bother me but once i see them I'll want them higher lol. Carolina dyno using a mustang dyno? Hopefully one of them puts a track day together soon but seeing as its cold...wont be much traction in this weather with my stock p zeros and 3.91 gears in an auto haha. have to grab some DRs one day.
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Old 11-30-2012, 12:49 PM   #10
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we go to jacksonville pretty often for there test and tune . i think alot of us are going this sunday. gates open at 12:30 , racing starts at 1:00 and goes to 4:30-5:00. only about 45-60 miles away.
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Old 11-30-2012, 12:53 PM   #11
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we go to jacksonville pretty often for there test and tune . i think alot of us are going this sunday. gates open at 12:30 , racing starts at 1:00 and goes to 4:30-5:00. only about 45-60 miles away.
Oh thats goodo to know. You said we, are there more of us camaro enthusiasts in wilmington than I know or just car guys in general?

How much is the test and tune? Im still stock at the moment except the intake and cut outs but it will still be fun.
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Old 11-30-2012, 01:01 PM   #12
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i meant 40-60 mintues away, not miles. and its $25 to race and i think $10 to just watch if you dont want to run. i have another buddie who has a black 2010 ss , but all my boys have all different rides. Vipers, Zo6, grand nationals, cobras, 1400whp talons, srt -4 , 350z nismo, 4th gen camaros , mustangs old and new 5.0s etc you get the picture , you name it someone has it.
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Old 11-30-2012, 01:11 PM   #13
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my brother has 99 c5 vette with vortech supercharger on 12pounds of boost,and a few other goodies.
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Old 11-30-2012, 02:52 PM   #14
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i meant 40-60 mintues away, not miles. and its $25 to race and i think $10 to just watch if you dont want to run. i have another buddie who has a black 2010 ss , but all my boys have all different rides. Vipers, Zo6, grand nationals, cobras, 1400whp talons, srt -4 , 350z nismo, 4th gen camaros , mustangs old and new 5.0s etc you get the picture , you name it someone has it.
sounds like a good time man I may have to catch up with you for one of those soon.
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Old 12-03-2012, 10:31 PM   #15
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Woot got it done today!
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Old 12-03-2012, 10:52 PM   #16
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is that stock?
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Old 12-04-2012, 07:11 AM   #17
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Quote:
Originally Posted by Sharkss View Post
most dyno tunes are WOT tuning, i know National speed and Carolina dyno is a load dyno so they can simulate some street conditions, but theres nothing like the real thing. driving around on the street will allow them to log fuel trims , knock etc and dial it in so you can get good drivablity and good WOT performance. this really plays into affect once you cam the car, the street tune will make or break the drivability side . just make sure tell them you want that done.
Well said and my first turner did just that. My car had high top end HP but tuning is not just about HP and WOT. I like both but it's is not where I drive my car 90% of the time.
I don't take my car to the drag strip to measure how fast I can go. A good tune gives you a feeling of confidence on the road and good acceleration and deceleration through the gears. The car can't be slippery, notch y, or peaky. It needs to to be positive and well tuned. I have an auto and if tuned right it can feel just like a stick. Mine does.

Finely, don't wast you money on someone that's in the learning mode and using you car as an experiment at your cost.
Take to someone who has already been there and done that. You won't be sorry.
You want your car to be everything you wanted it to be? take it to someone like Jannetty Racing. He has it right. Not that other tunes don't Just saying. Wheres that guy at?
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Old 12-04-2012, 07:31 AM   #18
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is that stock?
Just intake and exhaust cut outs OPEN and of course thats after he tuned it. He grabbed like 10lbft he said and some hp down low but peak hp didnt change much.

Went to see Ben at Carolina Dyno in Wilmington NC. He came highly recommended by people in town and I was very pleased with his work. He was very knowledgeable, his price was great and he still took his time and got it right. Very happy so far.
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Old 12-04-2012, 07:37 AM   #19
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FWIW I broke my car in per the manual and only use Shell 93 and I have pulled fuses more than once. There is always debate on why some camaros are weaker than others stock so I figured I would outline some reasons people have discussed. Also depends on the dyno and day. It was 75 and sunny in wilmington that day but you can see that is a corrected HP anyhow.
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Old 12-04-2012, 01:09 PM   #20
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also Carolina dyno reads about 7-10% lower than a dyno jet. a dyno is a calabration tool to dial in air/fuel timming etc.... dont get butt hurt on numbers. my gto put down 388 rwhp and ran 11s on motor. take to the track see what your mph is that will tell you the kind of power its making. mine put down 422 on a dyno jet"national speed" and 400 on carolina dynos.
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Old 12-04-2012, 01:10 PM   #21
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mine only gained 2-3 peak hp. but gained 10-30 hp and tq in the mid range a different rpms. these cars come with alot of timing already so mainly its getting the air/fuel right and making sure theres no knock.
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Old 12-04-2012, 01:12 PM   #22
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hows the tranny and shifts feel? made a big difference didnt it.....
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Old 12-04-2012, 03:00 PM   #23
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also Carolina dyno reads about 7-10% lower than a dyno jet. a dyno is a calabration tool to dial in air/fuel timming etc.... dont get butt hurt on numbers. my gto put down 388 rwhp and ran 11s on motor. take to the track see what your mph is that will tell you the kind of power its making. mine put down 422 on a dyno jet"national speed" and 400 on carolina dynos.
Im happy with my number I was expecting 330ish so not bad, its a good starting point I figure. Planning on hitting the test and tune here shortly. My gears made it in today actually.

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hows the tranny and shifts feel? made a big difference didnt it.....
Oh yeah Its a big difference. now to put my gears in!
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Old 12-04-2012, 03:55 PM   #24
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make sure to run back to carolina dyno once gears are in so Ben can change your ratio for the computer / speedo
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Old 12-04-2012, 09:51 PM   #25
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make sure to run back to carolina dyno once gears are in so Ben can change your ratio for the computer / speedo
They are putting them in, quoted me 300 bucks

Well 270 but that was labor he didn't mention fluid and shop supplies charge
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