Tach Diameter - 94 Prostar

[88 PS190]

Anyone have their boat around them to confirm the diameter of the tach on a 94 prostar?

Working on getting a new gauge panel made.

[d2jp]

My '92 tach measures 3.5" outside edge to outside edge.

[Miss Rita]

the case on the VDO tach for my '92 measures 3 3/8".

[88 PS190]

Thanks that jives with what I was thinking the speedos are a bit larger. I had drawn out the center to center dimensions on my paper but neglected to get a diameter - the Teleflex Prism 30310 is listed as 3 3/8ths so that'll confirm what I was thinking.

[waterlogged882]

I measured a spare I have. As stated; 3-3/8" dia. on the body.

[88 PS190]

noice.

I took a scan of the pocket where the gauges sit and am having a buck carved to thermoform the plastic panels that hold the gauges.

Hopefully to have a panel that can just pop in - but the buck will have dimples where each of the round gauges is supposed to be located as well as the screw holes - that will let me just use hole saws.

Probably going to be made out of something a bit more flexible like polyethylene so it doesn't crack with age.