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Print in friendly format Send this term to a friend  Bowling Green
Bowling Green, KY, is the location of the Corvette assembly plant since 1981. From 1954-1981, Corvettes were assembled in St Louis, MO.

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Dads90 Chip advice..
Guru
Pearland, Tx
318 Posts
Member since:
2008/2/2 0:00



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I 'am considering a chip from pcmforless. My car is stock except for replaced injectors. (Ford SVO yellow tops) The reason, after months of driving I've had a slight miss. Nothing bad, just the nagging, every couple of seconds, miss. Done pretty much all you would consider. Wires, plugs, rotor, cap, didn't replace the coil (the gizmo on the top of dist.) replaced the CTS, IAC, reset idle, timing, no codes. Would I be wasting my money? , am I dreaming this might solve my problem?. What would the chip do for me, other turn my fans on at a requested temp ?
Posted on: 2008/2/6 3:13
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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jsup Re: Chip advice..
Elite Guru
1778 Posts
Member since:
2005/9/9 0:00



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Quote:
I 'am considering a chip from pcmforless. My car is stock except for replaced injectors. (Ford SVO yellow tops) The reason, after months of driving I've had a slight miss. Nothing bad, just the nagging, every couple of seconds, miss. Done pretty much all you would consider. Wires, plugs, rotor, cap, didn't replace the coil (the gizmo on the top of dist.) replaced the CTS, IAC, reset idle, timing, no codes. Would I be wasting my money? , am I dreaming this might solve my problem?. What would the chip do for me, other turn my fans on at a requested temp ?


I sent you a PM with details. I have a chip I have been running in my car before the mods.

If you want to try it, I'll send it to you. If you like it, keep it. If not, send it back.

See your PM with details.
Posted on: 2008/2/6 3:32
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Steve40th Re: Chip advice..
Elite Guru
1114 Posts
Member since:
2005/12/20 0:00



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Quote:
Quote:
I 'am considering a chip from pcmforless. My car is stock except for replaced injectors. (Ford SVO yellow tops) The reason, after months of driving I've had a slight miss. Nothing bad, just the nagging, every couple of seconds, miss. Done pretty much all you would consider. Wires, plugs, rotor, cap, didn't replace the coil (the gizmo on the top of dist.) replaced the CTS, IAC, reset idle, timing, no codes. Would I be wasting my money? , am I dreaming this might solve my problem?. What would the chip do for me, other turn my fans on at a requested temp ?


I sent you a PM with details. I have a chip I have been running in my car before the mods.

If you want to try it, I'll send it to you. If you like it, keep it. If not, send it back.

See your PM with details.

The chip has to have the right ID on it to work, I believe.
Posted on: 2008/2/6 3:34
_________________
Ko'u ohana aia ku'a ikaika
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jsup Re: Chip advice..
Elite Guru
1778 Posts
Member since:
2005/9/9 0:00



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Quote:
Quote:
Quote:
I 'am considering a chip from pcmforless. My car is stock except for replaced injectors. (Ford SVO yellow tops) The reason, after months of driving I've had a slight miss. Nothing bad, just the nagging, every couple of seconds, miss. Done pretty much all you would consider. Wires, plugs, rotor, cap, didn't replace the coil (the gizmo on the top of dist.) replaced the CTS, IAC, reset idle, timing, no codes. Would I be wasting my money? , am I dreaming this might solve my problem?. What would the chip do for me, other turn my fans on at a requested temp ?


I sent you a PM with details. I have a chip I have been running in my car before the mods.

If you want to try it, I'll send it to you. If you like it, keep it. If not, send it back.

See your PM with details.

The chip has to have the right ID on it to work, I believe.


Not when I purchased it. I called him gave him the year, he programmed it and I picked it up.

Now, I am sure it's not as good as a dyno tune, but for a stock car, it ran great. My goal was simply to turn down the fan temp, which it does. It also advances the timing and changes the fuel delivery.

I had Chuck at Corvettes of Westchester look at the programming, he said it's close enough to what he would do that there's no point in having him do a new one. I believe he gets his chips from PCMFORLESS, but I can't be sure. Based on his representation I believe the original guy did a decent job.
Posted on: 2008/2/6 3:45
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
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2008/2/2 0:00



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I will give it a try. I tried to call Alvin at PCMforless today and got a recorded message. I want to talk to someone before I would send it in. Really don't even know how the process works. Its my daily driver and I can't be without it.
Posted on: 2008/2/6 3:59
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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jsup RE:Chip advice..
Elite Guru
1778 Posts
Member since:
2005/9/9 0:00



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Honestly, on a stock car, I think you'll be happy with this one. If not, no big deal. It's a five minute job to put in. Three 10MM nuts, and four 1/4 inch screws on the bottom.
Posted on: 2008/2/6 4:02
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
Member since:
2008/2/2 0:00



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Lettttttttts doooooooo ittttt !!!
Posted on: 2008/2/6 4:06
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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jsup RE:Chip advice..
Elite Guru
1778 Posts
Member since:
2005/9/9 0:00



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You can datalog it, or get someone who can, and send the files to PCM for less and ask him how much he can improve it....
Posted on: 2008/2/6 4:08
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Woodstock RE:Chip advice..
Senior Guru
Bremen/Germany
369 Posts
Member since:
2008/1/15 0:00



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When do you have the miss, during idle or while driving?
To swap 90 and 91 chips is ok, but you'll have to compare transmissions and axle ratio.
Posted on: 2008/2/6 12:43
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91 convertible
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jsup RE:Chip advice..
Elite Guru
1778 Posts
Member since:
2005/9/9 0:00



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Quote:
When do you have the miss, during idle or while driving?
To swap 90 and 91 chips is ok, but you'll have to compare transmissions and axle ratio.


Oh crap, you're right. They're both 90s but Dad90 is a six speed, I have an auto. Won't work will it?
Posted on: 2008/2/6 14:49
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Woodstock RE:Chip advice..
Senior Guru
Bremen/Germany
369 Posts
Member since:
2008/1/15 0:00



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Well, for diagnostic purposes, I swapped an auto 2.59 chip for an auto 3.07 axle ratio chip. It wasn't the chip, but a previously intermittent problem became a permanent code and helped troubleshooting the problem. I guess we got lucky on that one.

With auto probably being 2.59 and manual 3.45 axle ratio, I doubt it would make any sense for Dads90 to swap chips.
I would assume, using an auto chip in a manual set up is not so much a problem as vice versa.
Posted on: 2008/2/6 15:49
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91 convertible
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jsup RE:Chip advice..
Elite Guru
1778 Posts
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Quote:
Well, for diagnostic purposes, I swapped an auto 2.59 chip for an auto 3.07 axle ratio chip. It wasn't the chip, but a previously intermittent problem became a permanent code and helped troubleshooting the problem. I guess we got lucky on that one.

With auto probably being 2.59 and manual 3.45 axle ratio, I doubt it would make any sense for Dads90 to swap chips.
I would assume, using an auto chip in a manual set up is not so much a problem as vice versa.


Dads90, before I go through the trouble, see if you can find out. I have a 3.07 rear auto.
Posted on: 2008/2/6 16:48
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
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2008/2/2 0:00



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I know its the Dana 44, but I can't see the ID plate on the rear end. It hidden by the spare tire tray. The miss is at idle. It's probably best I do some more checking before you send it to me. Thanks for the thought, jsup
Posted on: 2008/2/7 4:53
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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Midnight85 RE:Chip advice..
Guru
Streator, IL.
264 Posts
Member since:
2007/12/28 0:00



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I realize you have replaced the wires
and related parts but before you go
any further, have you tried looking
at the wires in the dark? I mean total
darkness with no lights anywhere.
Try it and look for small arcs while
the car is idling. If you find any then
you have probably found your miss.
Posted on: 2008/2/7 17:40
_________________
HORSEPOWER! Some is good, more is better, too much is just right.
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
Member since:
2008/2/2 0:00



Offline
Quote:
I realize you have replaced the wires
and related parts but before you go
any further, have you tried looking
at the wires in the dark? I mean total
darkness with no lights anywhere.
Try it and look for small arcs while
the car is idling. If you find any then
you have probably found your miss.

I have tried this. In my garage at midnight, garage door open of course. No arcing going on. All this after a injector replacement.
Posted on: 2008/2/8 4:36
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
Member since:
2008/2/2 0:00



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OK check the RPO codes in my car and I got the 3.33 ratio. Would this chip that Jsup is offering make any difference ? For diagnostics purposes if I put it in would I notice a smoother or even a rougher idle at least. I guess I'm looking for a solution in the programming/ECM department. I hope this makes sense. I don't want to spend big money on a chip and net nothing.
Posted on: 2008/2/9 3:36
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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Midnight85 RE:Chip advice..
Guru
Streator, IL.
264 Posts
Member since:
2007/12/28 0:00



Offline
Have you talked to pcmforless?
I can't see where the chip would
be the cause of your miss.
Any reputable tuner would not sell
you a chip unless they thought it
would help.
Posted on: 2008/2/9 4:29
_________________
HORSEPOWER! Some is good, more is better, too much is just right.
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Dads90 RE:Chip advice..
Guru
Pearland, Tx
318 Posts
Member since:
2008/2/2 0:00



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Quote:
Have you talked to pcmforless?
I can't see where the chip would
be the cause of your miss.
Any reputable tuner would not sell
you a chip unless they thought it
would help.

I called PCMforless and they were out of the office. Got their recorder. I will probably call again. I only have the stock setup, no chip. The car runs good, I just can't figure this miss out, it will probably need to go to a local tuner.
Posted on: 2008/2/9 4:52
_________________
1990 Silver Blue Metallic, ZF6, Hurst shifter, Z51, Dana 44 3.33 ratio, FX3 system, mostly stock.
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