Iain T Posted January 10 Report Share Posted January 10 I have lots of Teflon tape but prefer to use the thread sealant. The Gold plug is the correct thread. A taper thread with a washer seems odd? Link to comment Share on other sites More sharing options...
johny Posted January 10 Report Share Posted January 10 No its parallel 3/8 NPT but hopefully seals against the lip of the hole if its in good condition... Link to comment Share on other sites More sharing options...
johny Posted January 10 Report Share Posted January 10 Heres one Triumph TR5/TR6 Spitfire Magnetic Oil Drain Plug & Sealing Washer | eBay 1 1 Link to comment Share on other sites More sharing options...
Martin V Posted January 10 Author Report Share Posted January 10 1 minute ago, johny said: Heres one Triumph TR5/TR6 Spitfire Magnetic Oil Drain Plug & Sealing Washer | eBay Thanks - I will also try one of these as I hope better quality than usual mass suppliers Link to comment Share on other sites More sharing options...
johny Posted January 10 Report Share Posted January 10 Let us know how well it works as its a common problem😁 Id recommend running a file over the hole lip prior to installation... 1 Link to comment Share on other sites More sharing options...
rlubikey Posted January 10 Report Share Posted January 10 2 hours ago, Martin V said: Hi Richard, with the Mann W77, I guess you have that nearer 7 O'Clock position - did you have to modify the brake union position? I think the height of 59mm would also work on mine clearing the relief valve cap and coming up short of the brake pipe union but would appreciate any comment from yourself. Martin, mine is a so-called "engine back" 6-cylinder Spitfire conversion. The engine is not only about 7" further back than a GT6, but also about 1 1/2" lower (so no hump in the bonnet). This means that the brake union isn't a problem for the oil filter, but the chassis is even closer. The W77 juuuuust fits between the oil pressure relief valve and the chassis at (from memory) the 8 o'clock position. Hope this helps. Richard 1 Link to comment Share on other sites More sharing options...
Martin V Posted January 10 Author Report Share Posted January 10 Just now, rlubikey said: Martin, mine is a so-called "engine back" 6-cylinder Spitfire conversion. The engine is not only about 7" further back than a GT6, but also about 1 1/2" lower (so no hump in the bonnet). This means that the brake union isn't a problem for the oil filter, but the chassis is even closer. The W77 juuuuust fits between the oil pressure relief valve and the chassis at (from memory) the 8 o'clock position. Hope this helps. Richard Thanks Richard. I've done the measuring and am pretty sure there is room beneath between the brake union and pipes so that the Relief valve cap can be taken out of the equation. I'll give it a go when we are out of this latest freeze. W77 on order :-). 1 Link to comment Share on other sites More sharing options...
Martin V Posted February 15 Author Report Share Posted February 15 All done. Slackened off the conversion (original oil filter) bolt after dropping the oil. The conversion rotated easily and new shorter filter fitted which fits perfectly at about 7 O’clock. Engjne starts and runs fine. Thanks for the help. 1 Link to comment Share on other sites More sharing options...
johny Posted February 15 Report Share Posted February 15 Brilliant I'll be doing the same when Ive finished off my supply of standard spin ons... 1 Link to comment Share on other sites More sharing options...
johny Posted February 15 Report Share Posted February 15 Oh and does it feel faster with a Maserati filter? 2 Link to comment Share on other sites More sharing options...
Martin V Posted February 15 Author Report Share Posted February 15 2 hours ago, johny said: Oh and does it feel faster with a Maserati filter? Sadly the roads were yet again awash last weekend but it certainly sounded more like a Maserati!! Oh, and also in this chat there was the topic of the Drain plug, which I also changed over to a Magnetic plug with copper washer, I put a little tape on the final threads near the head just as a little extra insurance. So far seems OK. Link to comment Share on other sites More sharing options...
rlubikey Posted February 15 Report Share Posted February 15 3 hours ago, johny said: Oh and does it feel faster with a Maserati filter? W77 also standard fitment on 1990's FIAT Cinquecento and various 1960's~90's Renaults. So your GT6 may feel slower with the new filter. Cheers, Richard Link to comment Share on other sites More sharing options...
johny Posted February 15 Report Share Posted February 15 oh you had to go and spoil it didnt you! 1 Link to comment Share on other sites More sharing options...
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