Small Clock | My Black Brick

My Black Brick

Keeping a '92 Volvo 240 Wagon on the Road & Other Automotive & DIY Musings

Getting Power to the Dash, if not the Road

I pulled the instrument panel again and figured out the problem with the tach install. I had posted to the BrickBoard and a reader pointed out that I probably forgot to plug into the circuit board. He posted a picture and sure enough, that was the problem.

Now that I have a tach I can see this car doesn’t rev very high at all. The only time it went over 3k RPM was today driving 65mph up a long hill with overdrive switched off. I see now the B230F hits peak torque of 136 lb/ft at 2750 RPM. No wonder the red block engine last so long. There’s no pressure.

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How I Failed to Install a Tachometer

dash tach

I figured I’d take my mind off the fact that I may not have a job in a few weeks and finally install the tach I pulled from a 244 in a VA junkyard this summer. While I love the big clock in the Volvo instrument panel, I’d also like to see what’s going on with the engine. Unfortunately I now have no clock, no tach, no odometer and no speedometer.

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