[Fot] low psi

[Greg "Lunker" Hilyer]

Don't panic yet... Try cranking it a bunch and then check the oil on  
the dip stick. If it has a frothy look, the oil may be getting  
aerated by the air in the empty oil cooler. I've seen oil cooler  
installations take quite a while to purge the air bubbles out.  
Easiest way to avoid/minimize this is to pre-fill the cooler and lines.
  Greg Hilyer
On Jul 20, 2007, at 11:13 AM, rob wrote:

> Hello everyone, On turning over my new TR-6 motor  with out the  
> spark plugs
> installed I can only get 15-20 psi. Other new motors have produced  
> 60 psi
>  I have swaped guages and lines , swaped pressure plungers and  
> shimmed the
> spring,After pulling the oil pump it seems fine with no scoreing.  
> From the
> line of sight I can get from under  the motor the bypass plunger  
> seems to fit
> and seat well. I plan to swap out the spin on oil cooler adapter  
> and replace
> with the stock oil filter.   I should of all ready done that but so  
> it goes.
>  Am I correct in assumeing the oil has to pass threw the cooler  
> before it gets
> to the blocks psi port ? My builder is asking him self if he could  
> have missed
> an internal oil plug  With the  pictures and  core parts I have  
> around I can
> not find any internal oil plugs on the block or crank So its  
> comming down to a
> gross miss on bearing clearances
>  I dont have enough experiance  to the messure  the rod bearing  
> clearance with
> confidence and  will leave it to my builder  fortunaly hes willing  
> to do this.
> I  want to cover as many tests as i can before pulling the motor  
> ( note to
> self ) don't install new motors before checking oil psi !   thanks  
> for the
> help       rob
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