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Street Tuning or Dyno Tune

Old 22-Aug-2007, 01:05 PM
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Street Tuning or Dyno Tune

Hey guys, i have a honda del sol with a turbo setup, and was weighing my options between dyno and street tuning.

I was wondering if there are any street tuners out there. LEt me know asap, i really need a tune. Thanks.
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Old 22-Aug-2007, 01:19 PM
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zeeman
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Old 22-Aug-2007, 01:35 PM
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I need this done this week, Zman is unable to do this week.

Any other tuners out there??
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Old 22-Aug-2007, 03:15 PM
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Zeeman tuned mine, did a great job and cool dude
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Old 22-Aug-2007, 04:12 PM
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This guy seems to be a godlike tuner. I think I'll wait, and disipline myself by not putting my car into boost (as im driving it untuned w/ basemap :O
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Old 22-Aug-2007, 05:21 PM
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wait!!! its worth it. Trust me.. hes tuned my car several times and i've done business with him 253296643206320525253230952 times. Just don't go into boost with your basemap and wait
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Old 23-Aug-2007, 11:39 AM
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Dyno not street ... but I guess I'm biased
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Old 23-Aug-2007, 12:16 PM
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It would be good to start off with the street tune, and if you really want to get max power gains, then do some dyno tuning. Dyno time can get real expensive fast, but if you already have a good street tune done, you will save alot of time on the dyno.
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Old 23-Aug-2007, 01:44 PM
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With a dyno tune, you can see exactly how much power you are making and see what you are gaining (or losing) with each change you make...

With street tuning, you don't have the ability to see right in front of you how much power your making and where your gaining/losing power.

It takes a little more skill to street tune a car.

When I get my cams, springs & retainers, cam gears, shaved head, itb's, and a good header, I'll be taking it to zeeman for a street tune. Then maybe later I'll hit the dyno and see if I can gain some more.

I have done a street tune on my friends mk1 mr2 supercharged that we race in autocross with using megasquirt. For my first street tune, it runs pretty damn good...

















....yeah thats right.....I said "itb's"
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Old 24-Aug-2007, 04:01 PM
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Originally posted by VTEC_Thunder


It takes a little more skill to street tune a car.

You're kidding right? Street tuning simply can't get the job done...

That's like saying it takes more skill to remove spark plugs with a hammer.
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Old 24-Aug-2007, 08:39 PM
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common, whats wrong with removing plugs with a hammer
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Old 24-Aug-2007, 10:27 PM
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Dyno tuning FTW!

- safer
- no law breaking
- repeatable results
- you can test various things to see if they make a difference (i.e. cam gear tuning, timing, richer/leaner mixture, etc.)
- you get a nice pretty graph at the end

I use u2ndyno because Dan's dyno (Dynapack) is probably the best/safest one out there. No straps to break... Plus he comes out to you!

Check out Defcon-ART and they will be able to check your setup *before* spending money on tuning... whether it be street or dyno. Nothing is worse that dynoing a car that isn't setup correctly. Not saying that yours isn't, just a second opinion is always nice.
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Old 24-Aug-2007, 10:41 PM
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Nice..

so you'll be running right at WOT, but what about partial throttle or cruising? Guess the basemap is good enough for 95% of your driving eh.

Id rather street tune then dynotune anyday.
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Old 24-Aug-2007, 11:00 PM
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^he speaks truth
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Old 24-Aug-2007, 11:25 PM
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Originally posted by chris_v2
Nice..

so you'll be running right at WOT, but what about partial throttle or cruising? Guess the basemap is good enough for 95% of your driving eh.

Id rather street tune then dynotune anyday.
What you say is true for other dynos, that's why I use Dynapack. You can literally tune cell by cell on it by loading it accordingly. I'm not going to get into it, as I'm sure you can read the website.... or Dan from u2n can fill you in.
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Old 24-Aug-2007, 11:35 PM
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so why pay money to go on the dyno if you can do it on the street for free?

Dyno tuning isn't cheap, IMO it shouldnt be used to replace a street tune. I know your trying to get Dan business, or you are affiliated with him but if I was to go dyno tuning, it would be to make some numbers and see what makes me more power.

A street tune is not about making power, its about making the setup safe to drive, there is no need for a dyno for that.
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Old 25-Aug-2007, 12:04 AM
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Originally posted by chris_v2
so why pay money to go on the dyno if you can do it on the street for free?
As I stated above, it's safer and you don't break any laws.


Dyno tuning isn't cheap, IMO it shouldnt be used to replace a street tune. I know your trying to get Dan business, or you are affiliated with him but if I was to go dyno tuning, it would be to make some numbers and see what makes me more power.
I'd rather pay a couple of hundred bucks than be dead because I decided to tune a turbo car on the street and the driver made an error causing us to crash. I used to do it, and had one rude awakening.. that was enough.

A street tune is not about making power, its about making the setup safe to drive, there is no need for a dyno for that.
I agree with this statement, however it's so much easier to setup a car on a dyno. We can go back and forth all day with this one, as I usually do with my customers but I'm gonna stop at this post. Don't get me wrong, I understand you point on the cost of street tuning and part throttle driveabilty. I'm not trying to change your opinion, I'm just saying that you can tune part throttle accurately and safely on a dyno.
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Old 25-Aug-2007, 12:58 AM
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Originally posted by speedconsultant
I'm just saying that you can tune part throttle accurately and safely on a dyno.
I know you said you dont want to get into it, but no matter how you tune on any dyno brake/inertia, street tune is nessecarry you can't simulate airflow on a dyno, no dyno can simulate the real world driving the car will be subjected to.
Dynapack can come very close but a full tune should include a street tune or test to see how the car reacts.
A decent street tune should be done before a dyno session to save time on the dyno, IMO.
yes it can get illegal real easy and dangerous as well, but look at what were talking here... buiding motors/cars and making more power than the cars were intended for, of course we have to expect the legality and safety factors are gonna change to some degree.
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Old 25-Aug-2007, 07:26 AM
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I guess it just boils down to what your definition of "tuned" is.

Just because a car drives and feels okay on the street does not mean it's tuned. On the street, how do you know if there is 20ft/lbs of torque to be found between 3500 and 4000rpm? How do you know you are not over advanced at 5500rpm?

The truth of the matter is you guys are just plugging in a basemap and cruising around checking AFR's with your LM1...and while I will agree this is important to do...the end result is NOT a tuned car.
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Old 25-Aug-2007, 10:56 AM
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like you said depends on your deff of tuned.

Its obvious that a street tune isnt for power.

If a car drives and feels ok on the street AND the afr is good, your ign is safe, & no knock... thats tuned, no matter what way you spell it, to me. is it tuned for power no, but the car is driveable and reliable.

I agree a dyno tune is a must for power, but for just making your car safe you can do that with a street tune, would i street tune a 300whp+ car? not for WOT but for partial yes.

When i built my motor back east i was lucky to have a friend that had a shop and a dyno so all i had to do was build motor, drop it in, start, change oil, then put it right on the dyno. I agree that is the best way to do it but someone that builds a car in there home garage and then just street tunes it will be fine. Then when they have the time and $ take it on the dyno and go for power.

Sorry thats not helping you get customers but its the truth.
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