Clive Posted May 6, 2007 Share Posted May 6, 2007 I understand some people have used the late saloon manifold, and had some alterations to get it to fit. Not sure if they cut and welded the tubes or mikked the faces. That manifold is much better than the GT6 version, if you can get it to fit! Worth experimenting with air intake too, ie getting a cold air feed rather than just bolt on K+N's. Still headscratching on this one! And the 6>3>1 manifold is the one to have, but thats still under (hot) debate as to which one etc.Best bet is to get it set up well on the rollers, get the suspension properly set up with optiflex alignment and have lots of fun!Clive Quote Link to comment Share on other sites More sharing options...
Upriis Posted May 6, 2007 Author Share Posted May 6, 2007 I am also eagerly awaiting the final outcome on the best exhaust manifold to use. unfortunately I purchased the triumphtune one about 6 years ago as they were the only so called performance ones that I knew of at the time.I am toying with the idea of making up an alloy airbox with a K&N cone filter attached to suitable hose up in front of the rad.never heard of optiflex alignment ??) is it an industry standard?anyone any experiance of fitting a late saloon manifold to a GT6??? Quote Link to comment Share on other sites More sharing options...
Clive Posted May 7, 2007 Share Posted May 7, 2007 http://www.alignmycar.co.uk/is the link to a place that does proper alignment. They set up everything. Not as cheap as the local tyre place, but transforms the handling if there is anything out.Clive Quote Link to comment Share on other sites More sharing options...
irish44j Posted June 3, 2008 Share Posted June 3, 2008 these are test-fitted....figured I'd post up in this thread to keep it alive ;)or perhaps I will use these :) Quote Link to comment Share on other sites More sharing options...
CharlieB Posted June 3, 2008 Share Posted June 3, 2008 Have you noticed one of your stub stacks is upside down?Sorry, I'll get my anorak :) Quote Link to comment Share on other sites More sharing options...
irish44j Posted June 3, 2008 Share Posted June 3, 2008 CharlieB wrote:Have you noticed one of your stub stacks is upside down?Sorry, I'll get my anorak :)heh..yeah, it was that way when I got them. Does it need to be turned around, or is it just cosmetic? Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 4, 2008 Share Posted June 4, 2008 Flip it, think you blocking some holes that way.A. Quote Link to comment Share on other sites More sharing options...
CharlieB Posted June 4, 2008 Share Posted June 4, 2008 Yes the holes must go at the top, they allow in the air that lifts the dashpot piston. Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 4, 2008 Share Posted June 4, 2008 I got my HS6's running better tonight.I was only able to get the car to run with the choke on full.Had them set too lean.More work to follow.A. Quote Link to comment Share on other sites More sharing options...
Upriis Posted June 4, 2008 Author Share Posted June 4, 2008 If you do have HS6's fitted on a stock GT6 manifold you really should fit the fuel bowls as described above. It makes a complete difference to the fueling throughout the rev range. without them you can balance the carbs ok at idle but as soon as the throttle is opened, due to the different parts of the metering needle being used it immediately goes out of balance. Quote Link to comment Share on other sites More sharing options...
irish44j Posted June 5, 2008 Share Posted June 5, 2008 Andre - Gene has the bored Mk1 manifold back, so if you want it, touch base with him about getting it. I didn't have time to deal with shipping, etc so I just gave it back to him. Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 5, 2008 Share Posted June 5, 2008 Already done.;) Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 7, 2008 Share Posted June 7, 2008 Oh boy oh boy oh boy, I ran the car tonight with the new carbs.OUT STANDING.She was pulling up hill in 5th gear!I used to have a vib at 4K, thats gone.I now think the old carbs were maybe choking out at the top end.A few bugs to sort out, I need to fix the floats. I'm getting surging at idle and shooting flames out of the pipes :)A. Quote Link to comment Share on other sites More sharing options...
irish44j Posted June 7, 2008 Share Posted June 7, 2008 AndreGT6 wrote:Oh boy oh boy oh boy, I ran the car tonight with the new carbs.OUT STANDING.She was pulling up hill in 5th gear!I used to have a vib at 4K, thats gone.I now think the old carbs were maybe choking out at the top end.A few bugs to sort out, I need to fix the floats. I'm getting surging at idle and shooting flames out of the pipes :)A.I don't have a 5th gear :'(Andre, how do you have your fuel line routed? Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 7, 2008 Share Posted June 7, 2008 Overdrive?:)Fuel line is on the left side of the car.Tank, filter, pump and along the frame beside the brake line.Pops up the firewall, to a clear filter, up and around the front of the block.Then I have a T splitting the run between the 2 carbs.http://www.gt6.ca/06/0323/slides/DSCN0430.htmlhttp://www.gt6.ca/06/0323/slides/DSCN0433.htmlhttp://www.gt6.ca/06/0504b/slides/IMG_7604.htmlhttp://www.gt6.ca/06/0504b/slides/IMG_7602.htmlHope that helps.A. Quote Link to comment Share on other sites More sharing options...
tiggrr1 Posted June 7, 2008 Share Posted June 7, 2008 ;D Nice too hear it's going well Andre ;DHope I can get the Hif44's to work as well as your setup seems to be going. ::)That is when Fedex get their finger out and deliver them ::) Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 7, 2008 Share Posted June 7, 2008 Yes very positive.Now have to be sure I don't get a speeding ticket and I really have to adapt to the cable throttle drive.Don't get me started on shipping... :)A. Quote Link to comment Share on other sites More sharing options...
booley Posted June 7, 2008 Share Posted June 7, 2008 Andre who makes that fuel pump? Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 7, 2008 Share Posted June 7, 2008 It is a SU.A. Quote Link to comment Share on other sites More sharing options...
irish44j Posted June 7, 2008 Share Posted June 7, 2008 lol, I meant how you had it routed at the carbs :) Quote Link to comment Share on other sites More sharing options...
AndreGT6 Posted June 7, 2008 Share Posted June 7, 2008 Quote Link to comment Share on other sites More sharing options...
npanne Posted May 28, 2012 Share Posted May 28, 2012 Apologies for reviving an old thread, but does anyone know where I can get hold of the triumphtune adapter plates? Quote Link to comment Share on other sites More sharing options...
TimW Posted May 29, 2012 Share Posted May 29, 2012 I wouldn't bother!! You can use a rat-tail file on the SU mounting holes to enlarge them enough to fit the GT6 manifold. Much less chance of air leaks and the adapters are shite!! Quote Link to comment Share on other sites More sharing options...
npanne Posted June 2, 2012 Share Posted June 2, 2012 Right gents - another HS6 question:I've got two pairs of HS6s here - one pair have a throttle return spring on the carbs, the other don't (I presume that these rely on a return spring mounted in the linkage) - any thoughts as to pros / cons?I would presume that by fitting the return springs to the carbs rather than the linkage would mean a simpler linkage layout, but anything else to consider?Also - with regards to the petrol feeds - from what I can see, everyone has teed the fuel line and sent separate lines to each bowl - is there any advantage to this as opposed to taking the bowl-top from the Spit which takes a single feed into the rear carb then has an output feed to the front one - I thought that this might be a neater set-up? Quote Link to comment Share on other sites More sharing options...
drofgum Posted June 3, 2012 Share Posted June 3, 2012 npanne,The return springs directly on the carb also avoid a pull in one direction on the throttle shaft. Such a pull can lead to oval wear of both the shaft and the carb body. Where possible a cap over the blind end of the throttle shaft will keep that end from drawing in dirt which can act as abrasive powder on the bushing area of the carburetter body. Of course the caps also cut off the air leakage at that end of the shaft. All the best, Paul Quote Link to comment Share on other sites More sharing options...
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