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Old 01-12-2017, 03:57 AM
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Default Sun Super Tach SST-802

Does anyone know if the SST-802 will work with a GM HEI....
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Old 01-12-2017, 04:22 AM
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Default Re: Sun Super Tach SST-802

Yes, I believe it does.


Jason
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Old 03-10-2017, 01:51 PM
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just to confirm with Jason s (SuperNovaSS) reply,..i talked to a guy at Williamsons Instruments and he says that an HEI ignition ,4 pin module, produces a square wave signal as does the GM standard point ignition, so it will work....i mocked an HEI up on my distributor machine and powered the HEI with 12 volts ,hooked the tach up and RPM readings were the same on the SST-802 and the machine......i hope i phrased that correctly..
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Old 03-10-2017, 11:39 PM
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The one in our Camaro doesn't read right. I still need to figure out how to fix it.
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Old 03-11-2017, 12:13 AM
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I've yet to find a vintage Sun Super Tach that is happy when hooked to an MSD and they are supposed to have a 12v square wave on the tach lead. I will be interested to see if this worKS for you. Please keep us updated.
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Old 03-11-2017, 01:14 AM
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Paul, you need the tach adapter with the MSD and a Sun. I use to run a old Super Tach II .


BIG
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Old 03-15-2017, 07:41 AM
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Quote:
Originally Posted by 68l30 View Post
Paul, you need the tach adapter with the MSD and a Sun. I use to run a old Super Tach II .


BIG
Know where I could pick one up? I need one too.
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My grandfather's cars:
'67 Chevelle 396/325 (L78 heads), Gold (now Bolero Red), 4.56
'68 Camaro SS (454, orig. L78) LeMans Blue, black deluxe interior, black vinyl top. 3.73
'87 Grand National
'89 Mustang GT- Many mods.
None are stock.
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Old 03-15-2017, 04:30 PM
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It's a MSD part..any speed shop should be able to get it. Or online??? I think mine uses the 8920??

BIG
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Old 03-15-2017, 08:24 PM
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Quote:
Originally Posted by 68l30 View Post
It's a MSD part..any speed shop should be able to get it. Or online??? I think mine uses the 8920??

BIG
I just called MSD and asked this very question...Tach adapter #8920

http://www.ebay.com/itm/MSD-Performa...hVTX7v&vxp=mtr

Dave
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Last edited by 67 Nova Boy; 03-15-2017 at 09:18 PM.
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Old 03-15-2017, 10:22 PM
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Quote:
Originally Posted by PxTx View Post
I've yet to find a vintage Sun Super Tach that is happy when hooked to an MSD and they are supposed to have a 12v square wave on the tach lead. I will be interested to see if this worKS for you. Please keep us updated.

I agree never have I seen one work properly
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