Ok let's try this.

Gordo · #31 (**permalink**) 02-07-2010, 11:23 PM

Finally got the last of the gauges hooked up. 80psi oil at idle cold, 35psi hot. Even after warm up it climbs quickly above idle and runs at 75psi above 70km/h. No bad bearings anywhere I guess. Also connected a buzzer instead of idiot light in case the crummy plastic oil line they sell with the gauge lets go. I really should replace that with a copper line I suppose.

dealwithit · #32 (**permalink**) 02-07-2010, 11:40 PM

that little plastic line can hold alot of pressure, you'd be supprised.

figure out any pics of this thing yet?

Racer X · #33 (**permalink**) 02-08-2010, 12:41 AM

Quote:

Originally Posted by Gordo

Finally got the last of the gauges hooked up. 80psi oil at idle cold, 35psi hot.

Is 35psi normal?

EmJay · #34 (**permalink**) 02-08-2010, 02:02 AM

yeah, those plastic lines can hold a lot of pressure. Problem occurs in case if it ever gets kinked, they like to break and bleed. My old caprice kept doing that till I replaced it with the copper line. No more leaks then

dealwithit · #35 (**permalink**) 02-08-2010, 11:55 PM

Quote:

Originally Posted by Racer X

Is 35psi normal?

that seems about normal for a small diesel engine at idle. i think my benz is right around there, maybe alittle bit less.

dealwithit · #36 (**permalink**) 08-02-2010, 11:44 AM

did you ever figure out the pictures? pm me and ill give you my email adress and ill post them up for you.

doramider7 · #37 (**permalink**) Today, 04:59 AM

Quote:

Originally Posted by dealwithit

should be a good swap, crazy cheap on fuel too. the worst part will be the motor mounts, as the trans im pretty sure is the same center section as the one in your gas truck, just swap off the tail housing (really really easy!) and it'll mount right up to your factory tranny mount and the stock driveshaft will work too. just cut the engine mounts out of the crashed 84 and weld them in where they line up on the frame in the 91 ( you'll most likely need to cut out the stock gas engine mounts as well). its always possible that another thing comes into play as well, the best bet is to first swap the tail housing, bolt up the crossmember and sit the engine in place while its hanging from something and see how close the mounts are

i've never done this swap before but i've done enough into mazdas

Thanks very much for that tranny tip. Not sure what to do about engine mounts yet. Looks like the frame rails are further apart in the 91.

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