oil pressure low on a 91 - need to pick yer brains...

["Mad Max"]

Howdy peoples - Looking at a 91 for a friend of mine, drove it today - rides okay, very stock, but oil pressure gauge reads right on the second hash mark (the first mark on the inclusive range of hash marks... ), which is about half the distance that my 93 reads.

Now, I need to know if any of you that have 91's have what appears to be a low-reading oil pressure gauge, or does this rigs engine have some internal bleeding? He says he changed the oil every 10,000 miles... . (yeah, swell... ). It has 189K on it, and otherwise runs and feels fine. Thoughts???



If we decide to get serious with it I'm going to plug in a set of quick oil, water gauges with numbers. Maybe offer $100 deposit to take the rig for a day and plumb in some gauges. If low pressure, money well spent, if good, money well spent... .



This thing was a farm truck and has more dirt on it than my yard. ALso, what t-case did these things have in 91? 205's, 203's?



Thanks amigos,

- S

 

[bgilbert]

Sam, I wouldnt be too concerned about the guage. Not real precise. As long as it runs good, and price is right, just wait to plug in your guages to get a good idea what its doing. Low reading could be a slew of factors. Others can chime in.



As far as t-case, all 1st gens 89-93 come with np-205. Bill

 

[CDegner]

Most likely the sendign unit. At about 180K, mine started reading low. It would even fall to 0 at a stop light. Bring the idle up and it went right out.



Carl

 

["Mad Max"]

hopefull news

Thanks fellas - That's what I was hoping for. It's always the biggest worries that end up being the easiest and simplest fixes. The owner says it's "always read like that... " ... . I'll plug in an oil gauge to verify - probably tomorrow. If I can post back afterwards I will. If this works out my buddy from the Springs is going to fly out, get this truck, and drive across the good ole USA with us! Should be fun.

Thanks again,

- S