Hello everyone,
I'm looking for advice from owners of Jaguar 420's (NOT 420G). I'm in the process of converting my MK2 (which has an XJ6 4.2 engine fitted) to power steering, using original re-sealed Burman steering box and associated links etc. My original plan was to utilise a Vauxhall Astra electric pump/reservoir ( as with the Wilkinson rack conversion) mounted on the nearside inner wing. It then occurred to me that the 420's used a fan belt driven pump mounted near to the distributor (as with the XJ6). Looking at the 420 parts manual it appears that the right-hand front engine mount incorporates the bracket for the said pump (Part No C26760 - which is no longer available new). My thoughts, therefore, have now gone towards using that set-up instead (if I can locate a used mount bracket ?). I'm a little concerned though as to whether the 420 has more available space in that area than a MK2 - the brake servo intrudes into the engine bay right next to the pump/distributor area. Is that also the case with the 420. No problem is un surmountable if space is a problem I suppose - I could possibly re-locate the servo. My request for advice, therefore, is twofold - firstly can anyone say what space is available on their 420 ( a photo would be a great help ?) and secondly, does anyone have a right hand front mounting bracket (incorporating the pump bracket) that I could purchase ??
Thanks everyone for taking the time to read my post. Regards Keith
I'm looking for advice from owners of Jaguar 420's (NOT 420G). I'm in the process of converting my MK2 (which has an XJ6 4.2 engine fitted) to power steering, using original re-sealed Burman steering box and associated links etc. My original plan was to utilise a Vauxhall Astra electric pump/reservoir ( as with the Wilkinson rack conversion) mounted on the nearside inner wing. It then occurred to me that the 420's used a fan belt driven pump mounted near to the distributor (as with the XJ6). Looking at the 420 parts manual it appears that the right-hand front engine mount incorporates the bracket for the said pump (Part No C26760 - which is no longer available new). My thoughts, therefore, have now gone towards using that set-up instead (if I can locate a used mount bracket ?). I'm a little concerned though as to whether the 420 has more available space in that area than a MK2 - the brake servo intrudes into the engine bay right next to the pump/distributor area. Is that also the case with the 420. No problem is un surmountable if space is a problem I suppose - I could possibly re-locate the servo. My request for advice, therefore, is twofold - firstly can anyone say what space is available on their 420 ( a photo would be a great help ?) and secondly, does anyone have a right hand front mounting bracket (incorporating the pump bracket) that I could purchase ??
Thanks everyone for taking the time to read my post. Regards Keith
Fraser Mitchell
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The 420 is the same bodyshell, albeit with some styling mods at the front & rear, as the S-type of 1964. As far as I know there are no differences in engine compartment size between S-type and Mark 2. However Jaguar managed to fit a power steering pump into the engine compartment with the servo in the same position as Mk2/S-typem and also had the Marles Varamatic steering box on the Sovereign models, and available as an option on the others.
Thanks Fraser - that fills me with some hope. I didn't realise how similar the S Type & 420 were. The 420/XJ pumps are (at the moment anyway) reasonably priced and available used - the problem will probably be the locating of
the unique engine mount/power steering bracket from a 420 (the XJ utilised the threaded holes in the block just for the pump, with the engine mount being further back, next to the oil filter housing). As you are probably aware, the
S Type used the generator-driven pump. Thank you again for your input. Regards Keith
the unique engine mount/power steering bracket from a 420 (the XJ utilised the threaded holes in the block just for the pump, with the engine mount being further back, next to the oil filter housing). As you are probably aware, the
S Type used the generator-driven pump. Thank you again for your input. Regards Keith
Fraser Mitchell
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Hi Keith
There were very few 420s (and the Daimler Sovereign equivalent) made, the car only being in production for about 2 years. It filled the need to keep something fresh on sale as the XJ saloon was delayed, finally being announced in 1967. No doubt you've read this: -
https://en.wikipedia.org/wiki/Jaguar...966%E2%80%9369)
The Marles Varamatic steering box was fitted if power steering was selected as an option. This is where my knowledge runs out, because I understand the Varamatic box, needs a slighly different subframe to that for the Burman non-PS box. If the Burman box you have is good, it should bolt straight on.
As regards room in the engine compartment, I though I would just check what Paul Skilleter says in his encyclopedic book on Jaguar saloons. In the section on the 420 he mentions that the 420 has rather more room than previous Mark 2 variants because of the wider radiator grille. Aft of the bulkhead the body is identical to the S-type.
There were very few 420s (and the Daimler Sovereign equivalent) made, the car only being in production for about 2 years. It filled the need to keep something fresh on sale as the XJ saloon was delayed, finally being announced in 1967. No doubt you've read this: -
https://en.wikipedia.org/wiki/Jaguar...966%E2%80%9369)
The Marles Varamatic steering box was fitted if power steering was selected as an option. This is where my knowledge runs out, because I understand the Varamatic box, needs a slighly different subframe to that for the Burman non-PS box. If the Burman box you have is good, it should bolt straight on.
As regards room in the engine compartment, I though I would just check what Paul Skilleter says in his encyclopedic book on Jaguar saloons. In the section on the 420 he mentions that the 420 has rather more room than previous Mark 2 variants because of the wider radiator grille. Aft of the bulkhead the body is identical to the S-type.
Hi again Fraser,
Thank you for that link and update. You're quite right with regards the MK2/S Type subframe having to be modified for the Marles box - I found a few references to such before I purchased my Burman unit. I've looked carefully at pictures of the 420 engine bay alongside the MK2/S Type and there's definitely more room in the former towards the front. That was further confirmed when I was sent a photograph of the unique front engine mount/steering pump bracket by a Jaguar breakers in Lancashire - the mount protrudes much further than the MK2/S Type one. With that now confirmed I'm going down my original route, which is utilising a Vauxhall electric pump/reservoir mounted on the nearside
inner wing. I'll need to get a long high pressure hose made up with a GM/Vauxhall connector on one end and a 1/2" JIC on the other end (not easy in the current climate). Thanks again.
Thank you for that link and update. You're quite right with regards the MK2/S Type subframe having to be modified for the Marles box - I found a few references to such before I purchased my Burman unit. I've looked carefully at pictures of the 420 engine bay alongside the MK2/S Type and there's definitely more room in the former towards the front. That was further confirmed when I was sent a photograph of the unique front engine mount/steering pump bracket by a Jaguar breakers in Lancashire - the mount protrudes much further than the MK2/S Type one. With that now confirmed I'm going down my original route, which is utilising a Vauxhall electric pump/reservoir mounted on the nearside
inner wing. I'll need to get a long high pressure hose made up with a GM/Vauxhall connector on one end and a 1/2" JIC on the other end (not easy in the current climate). Thanks again.