As you may remember, a couple of weeks ago I lost most oil pres= sure. I dropped the pan and found the problem. I safety= wired the culprit up and put my engine back together and b= ack on the back of the Velocity and cranked her up and got significant oil pressure as expected. I could see it pumping fre= ely out a hose I left open when I cranked the starter with pumps/coils= /injectors off earlier.

Now, my question is, what is considered correct oil pressure at differ= ent power settings? Before when I ran the engine at idle (on my engin= e, usually 1500 - 1650 rpm, my oil pressure would be around 33-35 psi. = ; I remember this cuz , on my EM2 it is preset to start flashing an aler= t if the oil pressure goes below 35 psi, so I was always bumping up the idl= e a bit to keep it from flashing the alert.

Now, however, it seems that at about the same RPM I am getting on= ly about 30 ish PSI at the same RPM and have to r= ev up to about 2200 rpm to get the pressure to 35 or above. IIRC , when I apply power to about 6200 rpm the pressure goes up to the mid 50's or a li= ttle more...maybe hitting 60.

I had thought I read somewhere that the EM2 = was set to alert on oil at 30, but Tracy has had my unit a couple/few times= , so I am thinking the 35 must be correct for low pressure.

I am still sorting some final engine details out and this was noticed.=

It does seem I have mostly gotten my hot start process wor= ked out. No prime, mixture at about 2:30 and a few rotations it sputt= ers alive. I think I had been flooding it before. I also have t= o turn off the fans as the extra energy seems to be needed to get it to spark up. I do think I need to replace my batter= ies as I have kinda beat the hell out of these tw= o. Cold start has never been much of a problem. Usually 4-6 pri= mes and a bit of mixture advance and it is usually good, throttle about half way open, then pull back to idle once it engages.

Perhaps I am killing the engine now with the different oil= pressure, (new filter, new oil) but the engine seems to be running damn st= rong otherwise. Pretty cool now that the temps are only in the low 90= 's . I can bring power up for much longer now that ramp temps are not in the 120's <= a>.

ONE hose did have a small flap inside. I corrected this before I= sent the hoses off to be pressure tested....fwiw .

As with many things, especially it seems with this engine,= my only consistency is inconsistency.

Back to the internet to see what else I can find out.

All the best,

Chris

Houston, GSOT

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