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OEM tach with Pertronix
#971800
04/12/11 08:51 AM
04/12/11 08:51 AM
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Joined: Aug 2003
Posts: 8,827
Houston, Tx
hemi68charger
OP
master
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OP
master
Joined: Aug 2003
Posts: 8,827
Houston, Tx
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Hey ya'll.
I just installed, temporarily until I get an Ignitor II (you'll be proud of me Mike) in my '69 Daytona. It runs great. But I did notice my tach freaking out a little. Is there something I should be doing to compensate for the Pertronix addition. The difference I've notice is under acceleration, the needle goes way higher than it should be, i.e. shows about 5500 when in fact I know I'm only probably at 3500. Yes, there has been a noticeable change in the responds of the tach post-Pertronix installation. I was thinking of converting the tach to one of these transistorized versions out there.
Thanks..
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: OEM tach with Pertronix
[Re: DAYCLONA]
#971802
04/12/11 01:43 PM
04/12/11 01:43 PM
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Joined: Aug 2003
Posts: 8,827
Houston, Tx
hemi68charger
OP
master
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OP
master
Joined: Aug 2003
Posts: 8,827
Houston, Tx
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Quote:
Troy,...you running a Petronix Flame Thrower coil?,....get rid of the ballast resistor?
I've got one of Real Time Engineering's tach boards in my factory tach running the Pertronix II, with no issues
Mike
I did in a way.. I bypassed the coil resistor behind the ceramic with a 10-gauge wire I believe. I want the OEM look. With the ballast resistor bypassed on the rear, it should be fine over time. It seems to work fine now...
I'll check out Real Time Engineering..
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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