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Old 04-13-2008, 07:47 PM   #1
04 Mach1
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Sct/a9l

Is it possible to burn a chips tune to a certian RPM then once passed it goes to factory tune??
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Old 04-14-2008, 06:07 AM   #2
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wouldn't they just input the factory numbers above that certain RPM? I don't see why it wouldn't be possible
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Old 04-14-2008, 06:12 AM   #3
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Well my car pulls hard to 6400rpms then starts acting like a rev limiter and goes way lean.
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89 gt 2.3 stroked holley head with n12n port high flow intake with great big fart can skunk 2 seat belts with kool glow water squirters and new light up shift knob basically everything from wal-mart art carr C4 10.53@127.3 w/ 1.53 60'

89 gt vert 347 eldebrock heads and intake AOD w/3000 stall unknown with 5spd went 12.7 on steet tires

04 Mach1 automatic flowmaster K+N drop in 13.9
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Old 04-14-2008, 06:53 AM   #4
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Quote:
Originally Posted by 04 Mach1 View Post
Well my car pulls hard to 6400rpms then starts acting like a rev limiter and goes way lean.
How sure are you that ALL of the factory rev limiters are set higher than 6400?
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Old 04-14-2008, 11:23 AM   #5
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I thought the factory rev limiter was @ 6250 RPM's
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Old 04-14-2008, 12:07 PM   #6
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Quote:
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I thought the factory rev limiter was @ 6250 RPM's
Yeah, but he's saying that his issues start around 6400.

With a tuner, you can set the limiter to anywhere you want it; sounds like to me, someone programmed a 6400rpm limit somewhere in there.
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Old 04-14-2008, 12:15 PM   #7
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Quote:
Originally Posted by Italian LX View Post
Yeah, but he's saying that his issues start around 6400.

With a tuner, you can set the limiter to anywhere you want it; sounds like to me, someone programmed a 6400rpm limit somewhere in there.
Ok,I misunderstood!
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Old 04-14-2008, 04:15 PM   #8
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Quote:
Originally Posted by Italian LX View Post
Yeah, but he's saying that his issues start around 6400.

With a tuner, you can set the limiter to anywhere you want it; sounds like to me, someone programmed a 6400rpm limit somewhere in there.
Thats what I'm thinking. On a MSD box it cuts out spark, with the computer rev limiter it should cut out spark and fuel therefore showing a lean condition. Right????
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89 gt 2.3 stroked holley head with n12n port high flow intake with great big fart can skunk 2 seat belts with kool glow water squirters and new light up shift knob basically everything from wal-mart art carr C4 10.53@127.3 w/ 1.53 60'

89 gt vert 347 eldebrock heads and intake AOD w/3000 stall unknown with 5spd went 12.7 on steet tires

04 Mach1 automatic flowmaster K+N drop in 13.9
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Old 04-14-2008, 04:35 PM   #9
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If I remember correctly, computer cuts fuel only.

But yeah when I rode in the car the other day, it felt like a rev limiter.

By the way, in reference to our discussion about the TFI plug.... If this was the problem wouldn't it cut out all the time? Have you tried other positions on the flip chip to see if it still cut out at 6400?
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Old 04-14-2008, 05:17 PM   #10
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6400 on all 3 positions. Agree with you on the TFI plug. I beleive they just want the problem to be on my end.
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89 gt 2.3 stroked holley head with n12n port high flow intake with great big fart can skunk 2 seat belts with kool glow water squirters and new light up shift knob basically everything from wal-mart art carr C4 10.53@127.3 w/ 1.53 60'

89 gt vert 347 eldebrock heads and intake AOD w/3000 stall unknown with 5spd went 12.7 on steet tires

04 Mach1 automatic flowmaster K+N drop in 13.9
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