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10-05-2007, 06:13 AM | #1 |
Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,537
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Factory Tach & HEI ?
Will they work together?
Can you just hook up the tach to the tach lead on the HEI cap? Does it just work or does it work/read correctly? Any cures to make the factory tach happy with an HEI system? |
10-05-2007, 07:42 AM | #2 |
Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,537
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Re: Factory Tach & HEI ?
Ttt
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10-05-2007, 08:41 AM | #3 |
Registered User
Join Date: May 2000
Location: Petrolia,Ontario,Canada but working in Port Huron,Mi.
Posts: 1,772
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Re: Factory Tach & HEI ?
I owned my 71 for 8 years now.
It has a factory Tach and the HEI was in it when I bought it. No problems for me.
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE |
10-05-2007, 09:51 AM | #4 |
Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,537
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Re: Factory Tach & HEI ?
Cool, thanks BobbyK.
It's been installed in the blazer for years now, I've just never hooked it up. Brand new...never used. Will do it today and post the results. |
10-05-2007, 09:56 AM | #5 |
OLD FART(I GUESS)
Join Date: Jul 2005
Location: catoosa, okla
Posts: 58
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Re: Factory Tach & HEI ?
yes they do work. i installed a tach dash in my 72 with hei and all i had to do was plug it in and run me a hot wire down to fuse box (since i didnt have original tach factory wiring). works like a charm.
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1967 Shorty Stepside 1967 Shorty Fleet 1967 3/4 Fleet LB 1972 LB Fleet ....RAP IS TO MUSIC WHAT ETCH A SKETCH IS TO ART.... |
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