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MG TD TF 1500 - No oil pressure-gotcha

Weather got nice enough to roll the completed engine out and fire it today. Acute lack of oil pressure showed up first thing. Went thru the usual solutions including filling pump and filter and using a pressure vessel. Gauge wouldn't budge. Started chasing thru system-discovered pressure at lower banjo, but nothing from pressure gauge port. Close exam showed no hole thru fitting. Drill the hole and get on with it-right? Found could not drill thru-guess when the yo-yo drilling the hole broke of the bit he just went to lunch and left it to drive me crazy. Probably too wierd to see again, but thought I would share it anyway. Dan


Dan Craig

Could you post a picture of that complete unit? Don't think I've ever seen one like it before...or at least my brain isn't computing what it's seeing.

Thanks,
Gene
Gene Gillam

Gene; Threw it out back door into the neigbors pond-mess with me,will ya. Seriously, pic is close up of lower end of the oil line to the cylinder head. Copper line visible behind coil in this shot. Dan


Dan Craig

Dan,

Thanks...don't think I've ever seen one made like that. I've only seen this type (see attached).

Gene




Gene Gillam

Gene, the kind in your picture was changed to the other type about a third of the way through TD production. All TF's also have that type. George
George Butz

PS- nice test rig!!
George Butz

OK, that is weird.

Only you Dan.

warmly,
dave
Dave Braun

George,

Thanks...didn't see it in the Moss On-line Catalog and guess I just haven't looked at that side of a later TD (and definitely not on a TF).

Gene

Gene Gillam

Hi Dan,
I am interested in your test rig as we appear to be going down the same road following an engine rebuild.

The reason that I was going to run the engine prior to installing it in the car was to check for oil leaks etc which would be much easier to fix prior to dropping it into the chassis.

What was the reason that you chose to do this.

Any chance of some more pics of your rig showing the cooling method.

Thanks,

David
David Tinker

Gene; Forgot earlier design was different-got tunnel vision lately from trying to focus on this one only. Assume the pic is your TC hotrod? What are the copper pipes on the firewall?
George; Thanks for the test stand kudo-built these simple little stands for rolling storage.Added a mount for oil gauge, fuel pump and coil. Made cooling water fittings from PVC and odd bits of hose. Decided I would rather deal with issues before it went in the chassis. Jim Merz did his that way a couple of years ago-sounded like a good idea to me. Couple more pics. Dan


Dan Craig

David; Cooling pretty simple. Garden hose to lower inlet-PVC on upper to dump away from work area. Left thermostat out-monitored water temp with handheld infrared temp gun-regulated operating temp by increasing or decreasing supply water. Large outlet and no thermostat keeps pressure low to avoid blowing out a freeze plug.
I also wanted to deal with engine issues such as oil leaks before the install. Less time leaning over the fender,the better my old back likes it. Dan


Dan Craig

Dan,

Those copper pipes are fuel lines. I have two fuel pumps mounted on the firewall, one for the fuel cell, one for the gas tank and those lines feed them. I can switch from one to the other (handy when you run out of gas).

Love your test setup but that photo has to have been taken before you ran the engine...there's no oil leak on the floor!

Gene
Gene Gillam

Hi Dan,
Many thanks for that.

Could you send me a close up pic of your oilpump and filter assembly, it may be the answer to the question I have asked under 'Wolseley block'

Many thanks,

David.
David Tinker

David; Take some pics when I get home-post em later. Dan
Dan Craig

This thread was discussed between 07/03/2010 and 08/03/2010

MG TD TF 1500 index

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