Nulon Engine Stop Leak 300ml - ESL

I have an old car from the 60's which has had a leaky diff minor many years. I cleaned the oil away from all areas and topped the diff with the ratio related to the capacity of the diff. To date I can not say if has worked as it has not been long enough, however the reason I tried this was because it is a 57 year old car and I don't drive it much so we will see what happens. I have also put the required ration into the gearbox as leaks have been there for some time. If it is successful I will try some in the old engine. I personally would not use this in a modern car, nor would I expect I would have to. I recommend trying this on old cars as it could save you a lot of time and trouble with small very slow leaks like mine that have taken years to appear.

All Nulon products are excellent.Used this in the last oil change in a subaru 2.5L as it is seeping oil from the RH head gasket. It has certainly helped though not entirely. I will continue to use for the next 2 changes and see if it improves again.

My engine is old and has high kms, so it burns oil, so I was looking for an additive to help protect my engine. So Nulon I've heard is a trusted product and may help. So thought I'd give it a go.