Bob, I've had the same problem with main bearings, and as the Jaguar bearings are limited, I've had crank ground and used Ford 460 bearings as mains. While not quite as wide as Jaguar, work fine as high quality spec bearings are available, use them in race engines running to 7500 rpm.
Another great inspection video. This may already be in your eventual video timeline, but a video on crank repair (flame spray etc) re-grinding and the re-nitride process would be interesting, as well as offset grinding for displacement (if that ever becomes thing possible to film.)
Bob, can you please expand on the need for new pistons? I bought a set of used UK spec pistons and liners with my '79 XJ12. I was hoping to use them when I rebuild the engine some day since they have slightly higher compression. If they clean up well and fall into spec, why wouldn't they be usable? BTW, I enjoy your channel and you are an inspiration!
I suspect it’s a victim of the Jaguar V 12 HE death spiral. Lack of maintenance particularly oil changes, bearings wear, less bypass oil through the cooler, oil gets screamin’ hot, bypass fully closes to keep oil at the bearings, then you’re done oil gets too hot to work properly.
Have you got a link to a supplier for the parts? I've been thinking of going in that general direction. Especially since we've recently gotten a very interesting engine in the shop. More on that this friday.😉
Another great video Bob.. I'm glad you're doing well.. there's nothing worse and sad at the step of a strip down and the block is worthless.. hurts everytime.. also where do you buy those better head stud's.. ARP doesn't make a set.. you mentioned once you found better OEM style stud's. Thanks and keep up the great work.. you are a machine.. hopefully you have a good help/apprentice..
I will be offering those studs on the website in the upcoming months. ARP does make a stud set but they wait until they get enough orders logged to make a run. Who's got time for that?
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Bob, I've had the same problem with main bearings, and as the Jaguar bearings are limited, I've had crank ground and used Ford 460 bearings as mains.
While not quite as wide as Jaguar, work fine as high quality spec bearings are available, use them in race engines running to 7500 rpm.
Thanks for the info.
Good to see you Bob. Nice production value on your video.
Thank you so much!! I try to do the best I can with the time and mental acuity I have left. 😬
Another great inspection video. This may already be in your eventual video timeline, but a video on crank repair (flame spray etc) re-grinding and the re-nitride process would be interesting, as well as offset grinding for displacement (if that ever becomes thing possible to film.)
The repair of that journal would make a good Tuesday Extra. Metal spray is something I'm looking at related to camshaft modification.
I am looking forward to seeing this engine up for sale!
Next spring if things go as they are.
Bob, can you please expand on the need for new pistons? I bought a set of used UK spec pistons and liners with my '79 XJ12. I was hoping to use them when I rebuild the engine some day since they have slightly higher compression. If they clean up well and fall into spec, why wouldn't they be usable? BTW, I enjoy your channel and you are an inspiration!
Bob, did they ever sell an XJS with a standard transmission? I do not recall ever seeing one. Thanks, love the videos!!!
No I haven't. Can't bring myself to do it.
An interesting vlog Bob, if the block wasn't scrap, how would you have gone about getting the cut studs out of the block?
After the liners are removed I use an old fashioned stud puller that usually damages the stud beyond re-use. But that ship has already sailed.
Great video Bob but why was it so bad (the crank etc)? Was it just driven very hard?
I suspect it’s a victim of the Jaguar V 12 HE death spiral. Lack of maintenance particularly oil changes, bearings wear, less bypass oil through the cooler, oil gets screamin’ hot, bypass fully closes to keep oil at the bearings, then you’re done oil gets too hot to work properly.
just put a lister 7lt crank kit on it and sell for big bucks! Well, if not, still very entertaining. Thanks
Have you got a link to a supplier for the parts? I've been thinking of going in that general direction. Especially since we've recently gotten a very interesting engine in the shop. More on that this friday.😉
i Did give you an in depth response. YT blocked it@@thecampchaoschronicles9567
how much for this engine?
PM me
Another great video Bob.. I'm glad you're doing well.. there's nothing worse and sad at the step of a strip down and the block is worthless.. hurts everytime.. also where do you buy those better head stud's.. ARP doesn't make a set.. you mentioned once you found better OEM style stud's.
Thanks and keep up the great work.. you are a machine.. hopefully you have a good help/apprentice..
I will be offering those studs on the website in the upcoming months. ARP does make a stud set but they wait until they get enough orders logged to make a run. Who's got time for that?