What Gauges are Must Have's?, For a /6 Conversion Options

[kconway]

I'm trying to work out what to do for gauges for a /6 conversion. I've been chatting with Mark about building a triple gauge for oil pressure, oil temp and fuel. My question is do I really need an oil pressure gauge for a street car or is the idiot light adequet? I think an ammeter is just a novelty and I'm not crazy about a quad gauge as it looks too busy.

I have a NOS combo gauge for a /4 motor and I was contemplating just updating the oil temp gauge portion with a matching sender for temp telemtry.

My other alternative is sending my NOS combo gauge (I hate to sacrafice a NOS gauge) as a core and having a triple gauge made by Vintage USA.

What is the combo gauge I've attached worth? Thinking of maybe selling it and sourcing a core for my triple gauge.

Any opinions? (IMG:style_emoticons/default/confused24.gif)





Kev

[porbmw]

I saw a pic of T.C.s gauge a few months ago, contacted Vintage to see if they could make me one...they said they can't, re an agreement with certain suppliers???

I would quite like John's....altho I'm now not sure if it will work with a 2.7? re bar pressure numbering?

But in my little world there's another component....and it may apply to some of us. I have a 6, it came to me with steel flares but without rengine and tranny, so I've started down the slippery GT tribute slope....with faint hope that the insurance company up here will allow it to be classified a collector IF it LOOKS like a GT....(not sure where the lines are drawn in the sand on that one)........

Don't know if any of you have insurers that will give you a break in rates if appearances are correct....

BUT that would mean I go with the old 911 gauge....


May I ask a related question?

The 10K tach....can they be made up from a parts bin.....if so, what parts.

thanks

[ArtechnikA]

I would quite like John's....altho I'm now not sure if it will work with a 2.7? re bar pressure numbering?

Depends a little on what's been done with the case. If it has 'the scavenge mod' you may be able to get away with a 5-Bar guage. 'The Scavenge Mod' began in 1983 and routed oil from the pressure bypass back to the input side of the pressure pump. If you have uprated the oil pump, 5-Bar may still be low... (One of the reasons Porsche went with the 5-Bar gauge in the first place is people freaked seeing (near-)zero oil pressure at idle...)

faint hope that the insurance company up here will allow it to be classified a collector IF it LOOKS like a GT...

IOW - you are hoping to reduce rates by convincing the insurance company you have a $500,000 look-alike performance car rather than what it is? Good luck with that, let us know how it goes... I know that one of the requirements for Classic (Antique? historic?) plates here in PA is that the car be in 'original appearing' condition. Don't know how fine a lens they apply to that, and if I can make an RS-look 911 be 'original appearing' if it looks like an original RS. We will see. But I'd think a 3000-unit production volume would be sufficient 'collector' criteria in your case...

Don't know if any of you have insurers that will give you a break in rates if appearances are correct.... that would mean I go with the old 911 gauge...

so there we are back to 'original what' - because a 914/6GT does not look like an original 914.6 ... I seriously doubt they're looking at dash guages, in any case...

The 10K tach....can they be made up from a parts bin.....if so, what parts.

Any Porsche tach will do, although you'd want one that works with whatever ignition you're using. The guage rebuilders renumber the face and recalibrate the electronics. At which point, the only issue is 'does it fit in the dash, and have the right indicator lights.' Hint - IIRC, even the GT's didn't have 10k tachs, but I could be wrong. They show up on EBay and specialised sites (like this one, and Pelican) from time to time. A 911 guage will not have the right indicator lights for a 914...

Question, do you need CHT gauge in a 6-cyl car?...

You don't _need_ a CHT or EGT is any car. They're nice, but pricey. The very best combo CHT/EGT guages are aircraft instruments, bring money. But they're also designed for in-flight tuning which they do all the time, and we don't. Even so, the probes are expensive, even if you go with only one per bank, and it's hard to make them meaningful if you want 6, even if you can find the panel space. It can be done.