I thought I'd share this with you as I'm working on a new 964 narrow body race car for GT4S class racing. The engine will be in between the 9M USA street engines and my new race engine. It is a budget build and uses many of the parts from my old engine like camshafts, clutch, etc. Here is the tachometer for the car which includes a shift light the MoTeC ECU will control.

Cool, huh?

 

Very cool. Custom or available from someplace?

 

Yup, cool.

Why not at the top?

 

It interfers with components inside.

 

Hmm, you can rotate the face plate and needle, right? So it shouldn't be a problem in that regard, the only thing is that the screws won't be horizontal.

The thing that could be a problem is that, assuming the race car has a a smaller diameter steering wheel, you may have a hard time seeing the top of the tachometer, but that also depends on the height of the driver.

I'd be interested to see if there is a way to wire this light directly to the tachometer, instead of through Motec.

 

This tach was modified specific to the application which includes a recalibration of the scale from 7000rpm to 8000rpm. Also, when you simply rotate the tack in the dash, your turn signals point up and down and the high beam is now on the side. Further, the numbers are not vertical any longer.

 

Am I the only one that can't see a picture of the tach?

Edit: Scratch that it's now appeared....must be the time delay!

 

I've read the entire thread and I still cant see it.

Ahh there it is... of course right after i finish posting that I cant see it.


Nick

 

Sometimes you can press F5 and refresh the Web page and the images will show up.

 

and after doing that the charts in your race engine#2 thread have also magically appeared.

 

Geoffrey,
I like the positioning of the shift light. I've had my MoTeC wired for one too, the neatest place I could find to position mine was to drill out the cover for the engine buzzer just below the tach, push teh buzzer itself back into the dash and insert a 10mm LED in a holder into the hole. The install looks totally stock, and with a very bright blue flashing LED you don't miss it even though it's not in direct line of sight.
A friend did the same thing with his MoTec, but rather than locate an LED in the engine buzzer he took out the dimmer for the instrument lights and the variable speed intermittent wiper **** and installed twin LEDs in those holes. Again the install looks stock and the LEDs are more in the driver's sight line.
It was a pretty easy job to do, and Colin at 9m sorted out the modification to the wiring loom and set the rev limit for us - I went for a very conservative 6,500rpm !


Jamie

 

Where can you get rotated tachs, with or without shift lights, from? Thanks.

 

North Hollywood Speedometer. The LED was something I had them install per my intended usage.

 

Website doesn't have much info, but I may look into this at some point.

http://nhspeedometer.com/911/service_restorations/1.htm

 

FVD also sells them. Different colors as well.