oil press. and gear slipping in my s13

SON240sx Automotive
1

so i got 2 problems here. well i unno if they are problems or if im just being paranoid.
1- i got defi gauges, and my oil pressure gauge is giving me an idling reading of about 3.0 when i frst start the car, but as my water temp increases the oil pressure drops down to about 2. then when its at 2.0 while im driving when i downshift or slowdown my gauge drops all the way to 0 then bumps back up to barely a 1.0 - any solutions?

2- just installed a short shifter not too long ago. worked fine in my ka coupe but when i swaped it to my sr coupe for some reason when i shift from 2nd to 2rd it slips. it stays in gear but the shifter feels all retarded like its on a an angle and its wiggly. usually i fight the wiggle to throw it in third and at that point im driving at about 2000rpm in 3rd. - any solutions?

so those are my 2 current issues. pleas need help with this asap!!! thanks every one

2

maybe the bushing in the shifter is bad?

3

^ ^ shifter pfoblem solved ^ ^
i opened it and realized i was missing a bushing

4

What is this a KA?

And the Defi gauge is metric so it’s reading the pressures in bar? If so ~1.0 bar is ~14psi which is what the KA is.

My old KA idled at about 11psi which is normal.

Now if its an SR, mine idles just a bit above 25psi at idle, for example.

5

yeap its an sr…dunno bout the 25psi tho…ill look into it. thanks gonad

6

is 20 psi ok on idle on an sr ??

7

20-25psi+ is fine on an SR