ToolsnTrack
Posted a lot
Homebrew Raconteur
Posts: 4,117
Club RR Member Number: 134
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The GT6ToolsnTrack
@overdrive
Club Retro Rides Member 134
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Apologies for the lack of search, but proboards doesnt play ball with 3 letter words..  Anyway, my boss has a GT6. It looks like this:  ...and is mostly original. Its running twin SU's on a stock lump, and has issues. A wee while back it ground to a halt, and has a suspected rear diff failure. After a good while of being sat feeling sorry for itself, its time to revive the old thing. Soon, we will resuscitate the old engine and make it run (non starter at the moment) then look into the rear axle. It has been noted that some engine craziness may be due after this, with the scope for an entirely new lump going in there. I recall one of our members doing some fantastic work to a GT6 but i cannot find the thread. There are no worries n our end about keeping it Triumph, so other engines may find their way under there if the are decent enough. Any thoughts? |
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Ray Singh
Posted a lot
More German exotica in my garage now
Posts: 1,984
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Keep it in the family, what about a Stag lump?
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steveg
Posted a lot
Posts: 1,565
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Hi there.
I've got the remains of a GT6 stashed in a lockup garage I really ought to do something with. I was planning a Le Mans race replica Spitfire but not sure now. Straight sixes sound lovely, I've got a 2000 saloon but in such a small car are heavy. If you could find a more modern, lighter 6 cylinder it would be a start. Sorting out the rear axle could involve a suspension upgrade as well, either using parts from later GT6's (rotoflex) or something from another car.
There are a few well modified Sptifires/GT6's on Club Triumphs website, would be nice to keep it looking reasonably standard though, but thats just my preference.
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stevea
Part of things
Posts: 281
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The rear axle problem could be something as simple as knackered UJ's on the half shafts. They don't last all that long and can make quite a bit of noise when really worn, I'd try replacing those first.
If you want to make the handing a bit more predictable, I'd fit a swing spring and front anti-roll bar from a late Spitfire rather than going down the route of rotoflex.
There should be a link to my GT6 thread in the signature below.
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ToolsnTrack
Posted a lot
Homebrew Raconteur
Posts: 4,117
Club RR Member Number: 134
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The GT6ToolsnTrack
@overdrive
Club Retro Rides Member 134
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May 28, 2013 10:09:24 GMT
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Cheers for the input guys, I'll pass the comments on and see what we come up with!
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May 28, 2013 11:01:47 GMT
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As it has a straight 6 anyway, how about a Jag XJ lump?
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1988 Porsche 944
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May 28, 2013 14:37:40 GMT
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'72 Opel kadett coupe
'77 Opel kadett city sr
'92 Peugeot 309 Gti Goodwood
'93 Peugeot 205 GL auto
'88 Citroen BX 16v(Breaking)
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MrSpeedy
East Midlands
www.vintagediesels.co.uk
Posts: 4,786 
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May 28, 2013 17:15:49 GMT
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That's a nice looking GT6 !! Don't forget any mechanical modifications applicable to the Vitesse will also apply to the GT6  Other than the engine and g'box the diff and shafts I believe are the same as for any small chassis Triumph of the same age, although IIRC Herald and Vitesse drivehafts are slightly shorter. Don't bother thinking about the Stag engine in one. As nice a sounding engine as they are, they are also heavy. More so than the straight six (which must be getting on for a quarter of the total weight of the car itself!) |
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May 28, 2013 17:52:59 GMT
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On locostbuilders there is someone building/replicating an alloy body for it. I would investigate if it's feasible to convert to the later IRS. Remarkable, nobody ever designed a alloy crossflow or twincam head for these blocks, like the BMC A and B-series. I mean a 250hp 2.5l on triple Webers and with double cams doesn't sound too bad, doesn't it? Anyway, some pics to get the mojo going:     |
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 Click picture for more |
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May 28, 2013 20:46:56 GMT
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GT6 is one of the cars I have been considering as a home for a red block Volvo turbo lump, if you wanted to keep a similar noise though the newer 5 pot is based on the 6 cylinder from the 960, its a good engine, and cheap and already RWD or you could of course mod the sump and use the 5 cylinder with the RWD box. forums.turbobricks.com/showthread.php?t=163457 |
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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MrSpeedy
East Midlands
www.vintagediesels.co.uk
Posts: 4,786
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May 28, 2013 22:59:42 GMT
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On locostbuilders there is someone building/replicating an alloy body for it. I would investigate if it's feasible to convert to the later IRS. If it's the same chap he's also on the Club Triumph forum. Looking good to It is possible to fit the later Rotoflex (IRS) rear end, but it's not a simple 'bolt on' mod. You also need the brackets to weld on to the cassis to take the different lower wishbones, shock absorbers etc, along with the driveshafts, rear vertical links, bearings, shocks (normally lever arm, but can be converted to telescopic) and probably a few other bits I've forgotten |
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