LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What kind of Tach to get??

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Old 03-19-2003, 10:33 PM
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What kind of Tach to get??

I am in the process of installing a hotcam in my car and will be running the rpm's to 6k. I was pretty much thinking that i will probably need a tach for this simply because the stock tach is 200 rpm's off and it would be easier to see on an aftermarket one. Especially with the aid of a shift light. I was wondering which brand is the best and how to install. I am willing to spend some money but not TOO much if you know what i mean. Thanks in advance.



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Old 03-19-2003, 10:36 PM
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I got one of those autogages from summitracing.com. Only cost like $60. I mounted it right next to the A-piller on the driver side (duh). I believe it is a 3.5 inch tach ( or so). Very easy to see, while being able to watch the road.
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Old 03-19-2003, 10:45 PM
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For only 60 bucks?? That sounds good. Is it easy to install and mount? Even more important, is it accurate? Thanks.

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Old 03-19-2003, 10:50 PM
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It seems to be right on. Definatly(sp?) more sensitive than the stock one, keeps up with the revs a lot better. I didn't do the install, my dad did (I have bad luck with electricity ). But it went right in. The biggest PITA was to find out where to wire it to. I will see if I can find the part number.
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Old 03-19-2003, 10:54 PM
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Is it a 10k or 8 k tach? I think i found yours in my summit mag. Does it come with instructions for installation?? I would like to do it myself. Oh and not to sound stupid, what is the "A" frame? Thanks.



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Old 03-19-2003, 10:59 PM
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I like the Autometer Sport Comp.
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Old 03-19-2003, 11:00 PM
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I found it. ATM-2300 is the number (I got the one on the right of the picture). It is a 3.75 inch tach what goes up to 8k. Yes it does come with instructions. The A-piller is the part of the frame in between the windshield and side windows. It fits really nice in the coner, I will see if I can get pics of it up tommarow.

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Old 03-19-2003, 11:05 PM
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The sport comp looks really nice but it is a little too pricey for me. But thanks for the imput. I like the 5" one. That would be cool if you could get some picks for me Got-LT1. Thanks for your help.


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Old 03-19-2003, 11:15 PM
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No problem, I will get some pics up by 6:00 PM eastern time tommarow.
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Old 03-19-2003, 11:20 PM
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Forgot to mention... The tach only cost $49.99 now.
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Old 03-19-2003, 11:21 PM
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Cool i'll check it out tomorrow. I wish i had a digital camera!!!


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Old 03-19-2003, 11:24 PM
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AutoMeter Sport-Comp #3905, 5", shift light, 8,000rpm:

Tach and gauges
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Old 03-19-2003, 11:25 PM
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I have to remember how to use mine
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Old 03-19-2003, 11:59 PM
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Yeah they are pretty hard to use sometimes. Hey injuneer thanks for the pic. How much did that tach set you back?? Was it worth it?? One more ? Where does the thing hook up at? I hope its not my ADL connector thing because thats occupied by my LT1 Scanmaster!!



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Old 03-20-2003, 12:14 AM
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I think Summit gets $165 for it. Works great... I really had no choice... redline on my engine is over 7,000rpm and my "senior citizen" eyes need all the visibility help they can get..... .

Not sure where the tach pickup on the stock PCM is, but its not on the ALDL connector. You should be able to come off the ignition module, I would think. I run an aftermarket computer, and it has a tach output wire on it.
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