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Installing a tachometer | Joined: Jul 2019 Posts: 40 newbie | OP newbie Joined: Jul 2019 Posts: 40 | I have a Chevy g20 5.8 8cyl and I'm sure this can apply to more than just my engine. But I would like to install a tachometer so I can monitor my idle Rev and such. How would I go about that? Would I go off of a distributor or ignition coil? Thank you with any information you have for me.
Chevy Van G20 3/4 Ton 5.7 L 8 Cyl | | | Re: Installing a tachometer | Joined: Oct 2015 Posts: 763 Likes: 50 old hand | old hand Joined: Oct 2015 Posts: 763 Likes: 50 | what year is the van? the HEI distributor has a place to hook a tach lead to. | | | Re: Installing a tachometer | Joined: Jul 2019 Posts: 40 newbie | OP newbie Joined: Jul 2019 Posts: 40 |
Chevy Van G20 3/4 Ton 5.7 L 8 Cyl | | | Re: Installing a tachometer | Joined: Oct 2015 Posts: 763 Likes: 50 old hand | old hand Joined: Oct 2015 Posts: 763 Likes: 50 | is there a pigtail with an unused wire coming off of the coil? I think that there generally is on a GM TBI with no factory tach. that would be the tach wire. | | | Re: Installing a tachometer | Joined: Jul 2019 Posts: 40 newbie | OP newbie Joined: Jul 2019 Posts: 40 | Is the coil in the dog house does anyone know by chance?
Chevy Van G20 3/4 Ton 5.7 L 8 Cyl | | | Re: Installing a tachometer | Joined: May 2018 Posts: 2,397 Likes: 64 veteran | veteran Joined: May 2018 Posts: 2,397 Likes: 64 | Yeah coil should be on top of intake right /passenger side.
When in doubt..get the sawzall out..
| | | Re: Installing a tachometer | Joined: Jul 2019 Posts: 40 newbie | OP newbie Joined: Jul 2019 Posts: 40 |
Chevy Van G20 3/4 Ton 5.7 L 8 Cyl | | | Re: Installing a tachometer | Joined: May 2010 Posts: 245 enthusiast | enthusiast Joined: May 2010 Posts: 245 | thats exactly what I did on mine. Super easy. Same van, engine. Ill see if I can find a pic | | |
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