Hello,

Long story short, I will be getting 4 aftermarket gauges for my 1972 Cutlass. Mark R. built me a stout 434ci engine, based on a SBO 350 block.

Problem is, I cannot narrow down the 5 gauges I want down to 4. I can only fit 4.

I've narrowed it down to: Fuel Pressure, Water Temp, Trans Temp, Oil Temp, and Oil Pressure.

1) Which is least important?
2) How accurate is the oem temp and oil pressure gauge in the car? The water/coolant temp gauge seems to move around a lot, so I'm hoping that means it's accurate?

 

What fuel system...how will it be used street? track? Sounds nice...good luck!!!

 

TanksInc. internal electric fuel pump, with a carb.

80 street / 20 strip.

 

1) Fuel pressure. Check it with an external gauge to verify it's correct, but it doesn't need to be monitored continuously.
2) My understanding is they provide "general" readings, such as Low, Normal, and High. What actual temperature / pressure that corresponds to would require you use an actual gauge to calibrate those general readings.

I've had ammeter, water temp, oil pressure, and tachometer in my car for the past 40 years and those instruments have given me sufficient information about the state of my engine.

 

X2, fuel pressure would be the first one jettisoned.

 

I would not worry about oil temp either, I would however replace it with a volt meter.

 

Good to know. I appreciate your information.

Seems like this is the general consensus. I was leaning towards letting Fuel Pressure out, so thanks for the feedback.

I already have a voltmeter installed - sorry I forgot to mention that!

 

Seems like the general conclusion is to drop the fuel pressure gauge.