PCM Diagnostics & Tuning HP Tuners | Holley | Diablo
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Safe or Not Safe????

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Old Jun 22, 2008 | 09:35 PM
  #1  
carfreak07's Avatar
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Default Safe or Not Safe????

ok, from the beginning.......I have a 2000 SS

had ud pulley, 3.5" cat back, lid, free mods, and a tune. Car went 13.01 @111mph with a 2.07 60ft time....yea it was street tires.

Anway I done a 224/227 563/568 on 114 cam and longtubes. Car ran like a raped ape on that same tune....I added a lil to the throttle follower and bumped the idle up some so it would drive a little better.

So I took it back to the guy that tuned it originally and he stuck a rough tune in it....no dyno. The car has been a pig ever since, dont rub much better than it did with the cats and stock cam in it.

My questioon is...........is it ok and safe to run that old tune in it, or will it be too lean? keep in mind that this car is beat on every time it is out....I would rather it be a little slower than picking pieces up off the road.

I hope to get lots of input from this.....thanks in advance!!!
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Old Jun 22, 2008 | 11:13 PM
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You really don't know without hooking up a wideband. I wouldn't drive it much and definatly wouldn't beat on it without knowing if the AFR is correct.
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Old Jun 23, 2008 | 06:26 AM
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Default Wideband

I agree with Davex, you need to install a wideband, the best mod you can make to a car, their only about $250 look at the PLX wideband very small unit
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Old Jun 23, 2008 | 03:38 PM
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If you dont know the air/fuel ratio good luck. 403s are cheep
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Old Jun 24, 2008 | 08:06 AM
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Ok I'm Blonde, 5' 3" weigh 112lbs and have some nice "C" *******, would that help the responses? Come on guys if it is a unamomous decision then let me know!! This is why I ask the question, if you dont know, post that too, I dont care, ust let me know something.....I may give up on the whole forum thing because it is like pulling teeth to get responses on here! I have alot of knowledge to share, along with several experiences with problems and solutions......that is what I am bringing to the table and I will try to help in every way I can.....Now can some of you do the same! We are not all tuning experts like some of you may be, this is why we are asking, SO how about a little help!
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Old Jun 24, 2008 | 12:38 PM
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How can anyone tell you it's safe to drive if you can't tell them what your AFR is for normal cruising and PE mode? It sounds like the tune is way off, and your "old" tune wasn't done for your current mods. Most likely it would be lean and not safe. Widebands are not that expensive, much cheaper than a new motor.
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Old Jun 24, 2008 | 12:59 PM
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Yeah. Get it tuned for how it is now (on a dyno) if you want it to be safe.
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Old Jun 24, 2008 | 01:10 PM
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Dude get your AFR checked and go from there. We cant tell you anything without being there first hand.
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Old Jun 24, 2008 | 02:45 PM
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thats the kind of info I needed.....thanks for your help, any reccomendations on gauges? I have an elm 322 interface that I would like to get some logging software for, could somone tell me what software I could use for this.....I have the jet dst tuner and it does not have logging capability's. Thanks in advance
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Old Jun 24, 2008 | 06:10 PM
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if you have jet this is a really good logger cheap $70 works w\jet cable
refresh rate 10 times a second.

http://www.monodax.com/

but it does not solve the problem of the wide band
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