With regard to the vacuum sensor, Hav a look for an automatic 180B. They have a dual
connection from the inlet manifold. One is larger and goes to the brake booster. The
other is smaller and would suit support for the gauge.
With the oil switch, you will need to buy an adaptor that will connection of the oil
switch and oil gauge. These are made of brass (I think) and easily available. Just
take all the parts in with you and measure them up. I also tend to put a small amount
of teflon tape or Loctite to stop an oil leaks.
Hope this helps
Cheers
--- Luke Clough <[EMAIL PROTECTED]>
> wrote:
>Paul,
>Sorry don't know about the oil pressure sensor, but the vacuum sensor needs to
>be connected directly to the manifold, the valved line is probably the line for
>the brake booster, this will not give you an acurate reflection of the manifold
>pressure. The brake booster line has a one way valve designed to hold the lowest
>pressure that the manifold reaches to increase the effectiveness of the brake
>booster. If the gauge is starting on zero but jumps as you rev the engine and
>then holds the new value as the engine revs return to idle, this is the likely
>function of the line/valve. Using a T-piece before the valve will allow both a
>brake booster and the vacuum gauge to be used from the one manifold fitting.
>
>Luke Clough
>
>"Paul W. J. Stanley" wrote:
>
>> Ok thanks for the help on the ammetre...so I bought some more gauges...temp,
>> oil and vacuum. I have a few problems with the L20B though...
>>
>> Oil pressure:
>> The factory oil switch thread is tapered I think and seems slightly smaller
>> than the fitting that comes with the oil gauge. I tried to taper the end of
>> it a bit with a file but it's way too big for the block...it screws in about
>> 1 and a half turns so I need an adaptor that fits the L20B block...anyone
>> what is the difference between the thread on the block and the thread with
>> the gauge? It's a Trisco (cheap and nasty) from Supercheap.
>>
>> Vacuum:
>> Where do I install it?
>> The hose out of the intake manifold has a valve or something inside of it
>> and when I use this hose the vacuum gauge doesnt read right. It sits on 0
>> until I give it some revs and it jumps back a bit. When I hook the gauge up
>> to the fittingright on the manifold it works fine, so I think the hose is
>> blocked by the valve or whatever it is. What is it anyway?
>
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