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Topic: 8K tach (Read 2195 times) previous topic - next topic

8K tach

I'm pretty sure this has been addressed at some point but I can't find it.  I'd like a factory-appearing tach that functions/reads correctly to 8K.  Will any of the TC tachs go that high?  If not, is there a way to modify them so one will?  If not, any suggestions on one available in the aftermarket that can substitute?
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Twin '85 TCs
White/ Grey 2-tone
#1 (left): undergoing top-to-bottom rebuild     
#2 (right): DD, power everything (sorta)
[SIGPIC][/SIGPIC]
 

8K tach

Reply #1 –
Anybody?
__________________
Twin '85 TCs
White/ Grey 2-tone
#1 (left): undergoing top-to-bottom rebuild     
#2 (right): DD, power everything (sorta)
[SIGPIC][/SIGPIC]

8K tach

Reply #2 –
I have no idea. I'd check Ebay and look at all that's available. If you find one that will fit the size and needs for a tach, a face can always be made for it to match up.Black face should be easy though.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

8K tach

Reply #3 –
Yeah, it may be necessary to go aftermarket.  I was hoping to stick w/ the factory piece if possible, but don't know how high it will go.
__________________
Twin '85 TCs
White/ Grey 2-tone
#1 (left): undergoing top-to-bottom rebuild     
#2 (right): DD, power everything (sorta)
[SIGPIC][/SIGPIC]

8K tach

Reply #4 –
I saw a few from the early 70's, late 60's that go to 8,000. I really don't think it would be hard to integrate it into an buttstuffog gauge cluster and run new wires to it. I have a couple of extra clusters (no speedos) that you can practice on.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

8K tach

Reply #5 –
Taurus SHO's had 8K tachs, you could probably get creative adapting one of those.
-Matt
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8K tach

Reply #6 –
If you are able to make a new "face", it is also possible to swap the electronic part. I think it can't be difficult. One microcontroller, bunch of few other parts and that's all. I think it should cost $10 max (electronics, not the face).

8K tach

Reply #8 –
I didn't see a stepper motor inside the tach, so I'm guessing there's no limit to how far the needle can travel provided it gets a signal.  Anyone know if that's correct? 


kendoo,
Thanks for the link.  I had even posted in that thread.  Too much water under the bridge for me, can't remember enough. 

Trinom,
With info gathered from coolcats and some other threads, it looks like the solution is to follow your suggestion.
__________________
Twin '85 TCs
White/ Grey 2-tone
#1 (left): undergoing top-to-bottom rebuild     
#2 (right): DD, power everything (sorta)
[SIGPIC][/SIGPIC]