>Fellow scions,
>looking at the oil pressure guage I decided that its exhibiting a strange
>behaviour and I was wondering if anyone has an explanantion for that. Now,
>oil pressure in itself is fine, but when I accelerate hard, the pressure
>drops by at least 20 lbft. I personaly would expect exactly the opposite
>even when taking into account that the bearings are not that new anymore
>etc. As soon as I stop accelerating, i.e. keep it at whatever speed, the
>pressure goes up again.
sounds to me like the 'oil pressure relief valve' is opening which it is
supposed to do at about 70-75 lbs. perhaps it's sticking a little-may want to
clean it and reset it..
Carl
'64 TR4
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