Xjs V12 Timing

[kvalidir]

Hi, Have a Jaguar XJS 5.3 V12 G registered bought not starting. Brothers did all of the usual spark, fresh fuel etc etc etc, everyone concerned decided the timing was out. Fair enough, they have now gone to time it and there are no timing marks whatsoever. Been told to remove #1 sparkplug and get the point where #1 piston is uppermost and take TDC from that then plumbline the pully and set the timing to 10 degrees before that to start it. Does anyone know if that's correct please? Quite a car savvy family but never come across no timing marks whatsoever before. Ta muchly xxx

[carrust]

You might have to bite the bullet & get a mobile mechanic to have a look-see. He/she will be able to connect it up to their laptop to see if they're any nasties in the engine

[kvalidir]

Thank you Manta:) I think if we get no sense from it shortly we'll have to get someone au fait with Jags to come and have a looksee:)

[kvalidir]

Thank you Carrust, I think that's edging ever closer:)

[jomifl]

You can check if No. 1 is on the compression stroke by putting a finger over the plug hole as you turn over by hand. If the valves are closed you will feel the compression. You can make up a paper protractor marked with the correct degree of advance and tranfer this to the pulley.

[kvalidir]

Okay Jom, thank you, I'll get that tried in the morning:)