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Old 08-26-2011, 01:24 PM   Thread Starter #1
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Default Apexi SAFC II RPMs Not Matching Tachometer

Title says it all: Apexi SAFC II RPMs Not Matching Tachometer

I noticed this two days ago, coming home from work. Sometimes I like to drop the hatch and see what the SAFCII is doing.

When I noticed it is showing about 300rpms consistently behind what the tach on in the cluster is saying

Any thoughts?

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Old 08-26-2011, 02:26 PM   #2
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Default Re: Apexi SAFC II RPMs Not Matching Tachometer

come see me so i can fix it lol but check the connection type or go through the initial setup procedure again
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Old 08-26-2011, 08:04 PM   Thread Starter #3
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Default Re: Apexi SAFC II RPMs Not Matching Tachometer

Okay looks like the tach on my car is just off a bit. Took the car over to Finish Line Racing, they specialize in Mustangs but he hooked up his meter and it was reading exactly the same as the SAFCII. Whew, so no major issues.
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Old 08-27-2011, 03:41 PM   #4
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Default Re: Apexi SAFC II RPMs Not Matching Tachometer

ok well thats becuz the rpms is going to be lower, becuz ur hacking into the ecu wire, your getting a more exact number then what ur tachometer shows, its no biggy
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Old 08-27-2011, 10:17 PM   #5
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Default Re: Apexi SAFC II RPMs Not Matching Tachometer

Just remember the SAFC is digital and the Tach on the car is Analog, so there will be a slight delay between the two.
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Old 08-29-2011, 09:26 AM   Thread Starter #6
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Default Re: Apexi SAFC II RPMs Not Matching Tachometer

Thanks, it was just odd, I either didn't notice that before or else it's something new. At least it won't be an issue.
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