Rocket Tach
Rocket Tach
Seen this on epay.
Anybody have one and how close to the correct rpm?
Mike
http://www.ebay.com/itm/3-3-8-Chrome...6b564d&vxp=mtr
Anybody have one and how close to the correct rpm?
Mike
http://www.ebay.com/itm/3-3-8-Chrome...6b564d&vxp=mtr
I have two problems with this tach. First, that's a BOATLOAD of money for a rocket that lights up. Second, and more importantly, this tach has a fairly small arc from 0-8000 RPM. There's only about 90 degrees of travel for the 0-6000 range that any Olds motor will normally see. Compare that to a tach like this, where you have about 180 deg of travel from 0-6000:

In fact, this photo provides a pretty obvious comparison of the two styles. Which one it easier to read accurately?
I am looking for a tach myself I kinda like that " sur super tach " I'm going to look it up !! eeey $140.00 us. A bit much any others you guys recommend ? Autometer's are big $$$$ I guess $140 isn't bad .
Last edited by 76olds; Jan 13, 2014 at 07:49 PM. Reason: searching tachs
I have one of these in my car, only white faced. Works good for $39.97!

http://www.summitracing.com/parts/sun-cp7901/overview/

http://www.summitracing.com/parts/sun-cp7901/overview/
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