Thread: 4BE1 twin oil filter

Originally Posted by rijidij

Yeah, drilling it was the easiest way for me to do it at the time, and it is a heavy chunk of steel. As you can see from the pic of the block below, you don't need a huge cavity for the oil flow.
As I regularly use a laser cutter now, I would probably go the 'sandwich' method next time, but I'll still keep an eye out for some aluminium billet.

Cheers, Murray

If your block is like that pictured, it is a waste to fit the dual filter setup - the bypass filter can't work when there is no hole to allow the oil to return to the sump.

Originally Posted by HotWired

Thought I would just ask this in here then start a new thread.

I was wondering what this hole (circled red, bit hard to see) on the twin filter setup was used for. I ask, because the pipe I got sent to me from the wreckers that goes from the oil cooler to filter housing doesnt have any where to put turbo feed line. If the hole (circled) isnt used for anything, can I use it?



If not, ill have a spacer made up for the top and drill and tap that instead of just extending the pipe.

It is for the line that provides lube oil to the injection pump.

With the 4BD1T the lube line is extended from the injection pump banjo fitting to the front of the timing cover so that it lubes the automatic timing advance device in the timing gear.

Originally Posted by Bush65

If your block is like that pictured, it is a waste to fit the dual filter setup - the bypass filter can't work when there is no hole to allow the oil to return to the sump.

Geez - that's got me thinking...
Anyone know if a Landrover 4bd1 block usually has both holes?

Steve

The engine l got had been in a Rangie and had a 3 inch spacer and an extended oil pipe, would'nt work in a 130. l shorten the pipe, did'nt use a spacer and fitted a remote f/f filter.
Cheers

Trying to attach piccy, wish l was bright!

Functionally, what is the difference between running the dual filter housing and running the existing single while plumbing in a completely seperate bypass between the same supply and drain into the block?

Originally Posted by Dougal

Functionally, what is the difference between running the dual filter housing and running the existing single while plumbing in a completely seperate bypass between the same supply and drain into the block?

There is no difference. (Assuming you were running identical bypass filters in both cases). That also assumes that you have a flow restrictor for the bypass element like the ISUZU OEM has.

I need to pull my filters off now and check that the hole in the block is there

Originally Posted by isuzurover

There is no difference. (Assuming you were running identical bypass filters in both cases). That also assumes that you have a flow restrictor for the bypass element like the ISUZU OEM has.

That's what I figured. Since the singles appear easier to clear the front prop-shaft, surely an external bypass would be easier.

Mine has the factory dual system on hoses remotely above the PS box. The problem is oil changes could not be messier. The angled filters **** oil everywhere and my PS box is there to divert the flow into impossible to clean nooks.
The best I can do is a cardboard chute to collect as much as possible.

Originally Posted by isuzurover

I need to pull my filters off now and check that the hole in the block is there

Do tell.