55,000 miles

The Jag just rolled 55,000 miles today (Canada Day!). After installing the new ignition amplifier the car has started running much better. However there was still a backfire from the rear left carburettor. The backfire can only be caused by a sticking exhaust valve as the timing and mixture are set correctly.







A fellow Ottawa Jaguar Club member suggested I try a product called "Guaranteed to Pass". He and some others have had great success using this product when doing their emissions test.

I had nothing to lose and as such I tried it out. I poured it into a full tank of fuel and went for a long drive. After 50miles of highway driving, the sticky exhaust valve seems to have freed itself as the backfire has completely gone now. I'm very happy with the result and I recommend the product to anyone trying to delay a top-end rebuild. Its called CRC "Guaranteed to Pass" and I bought it from CanadianTire.

The engine is running the smoothest it has ever run since I got the car. There is still quite a bit of valve chatter but overall the strong oil pressure is reassuring that I'm on the right track.
I will have to do a valve adjustment soon. I'd like to do it this year, but feeling lazy. Its a very time consuming job just to get down to the valve covers, let alone do an adjustment on 24 valves.

I've taken the car to both "16 Service" and "Autobahn" in Manotick for a valve adjustment but both of them refused to even touch the car. Mechanics these days are so pathetic. All they seem to be able to do is replace parts. Actual hard mechanical work is becoming very rare. Anyways, if you want something done right, you do it yourself.