Paul H Posted May 11, 2019 Report Share Posted May 11, 2019 Hi currently running CDSE 150’s on my Vitesse Mk2 . The needles are B5CF and running too lean for my liking and no more adjustment to play with . A while ago I purchased a spare engine HC52290HE together with CD 150’s and looking to refurbish these carbs to replace the current CDSE which should be on a GT6 mk3 . The CD150’s are 3092 . The spec says 3224 . Are the 3092’s ok and suited to my MK2 ? According to Burlen the 3092’s are for the GT6 mk1 Any advice appreciated Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted May 11, 2019 Report Share Posted May 11, 2019 on your cdse are the temp compensators closed , if open you cant set the idle mixture remove it tighten the small nut to close the plunger shut . refit and re adjust on CD with a fixed needle it shows as 6AC i take it by CD you have carbs with what i term the thames barrier type choke not a choke starting valve on the front carb ???? 1 Link to comment Share on other sites More sharing options...
Paul H Posted May 11, 2019 Author Report Share Posted May 11, 2019 3 minutes ago, Pete Lewis said: on your cdse are the temp compensators closed , if open you cant set the idle mixture remove it tighten the small nut to close the plunger shut . refit and re adjust on CD with a fixed needle it shows as 6AC i take it by CD you have carbs with what i term the thames barrier type choke not a choke starting valve on the front carb ???? Hi Pete. Temp compensators are closed on the CDSE’s . The CD are Thames barrier type , I’ll check the needle and report back thanks for input Paul Link to comment Share on other sites More sharing options...
NonMember Posted May 11, 2019 Report Share Posted May 11, 2019 The "Thames barrier" Strombergs were fitted to Mk1 Vitesse and GT6, the CDSEs on GT6+ (US market) and Mk3. The WSM suggests that the Mk2 Vitesse had the same carbs as the Mk1 (but different needles). Link to comment Share on other sites More sharing options...
Paul H Posted May 11, 2019 Author Report Share Posted May 11, 2019 51 minutes ago, Paul H said: Hi Pete. Temp compensators are closed on the CDSE’s . The CD are Thames barrier type , I’ll check the needle and report back thanks for input Paul Pete the needles are 6J so I just need to change the needles to 6AC ? Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted May 11, 2019 Report Share Posted May 11, 2019 6J is mk1 vitesse and GT6 mk1 i would think they will be ok there is little difference to 6ac maybe a little richer overall ??? i would try and only pay for more if needs must. all this data is pretty mixed , depends where you look Pete Link to comment Share on other sites More sharing options...
Paul H Posted May 11, 2019 Author Report Share Posted May 11, 2019 Thanks Pete for the info. I’ll fit with the 6J needles and see how they go Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted May 11, 2019 Report Share Posted May 11, 2019 should have piston springs and a thinish diaphragm plate ( weight) some advantage in thames barrier , it cant leak corrode or pass fuel , its a bit basic but thats ok less to go wrong . Pete Link to comment Share on other sites More sharing options...
daverclasper Posted May 11, 2019 Report Share Posted May 11, 2019 I think that plug colour is maybe ok (unless the car feels like it's running weak), though like you say if it's at the top of adjustment, then not ideal. It looks like it has some brown colour on the earth electrode?, if so, then mine look like that, though sometimes difficult to compare off photo's. Some folk say, modern fuels can/will give more of an overall grey colour?. Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted May 11, 2019 Report Share Posted May 11, 2019 thats a thought, on the cdse the small delrin washer should be aligned with the base of the piston needle holder , there is a press in setting for the jet heights. they have been known to vary due to fingerpoking ingress by misguided twiddling ,well they should be a pressed in fit . Pete Link to comment Share on other sites More sharing options...
Paul H Posted May 11, 2019 Author Report Share Posted May 11, 2019 19 minutes ago, Pete Lewis said: thats a thought, on the cdse the small delrin washer should be aligned with the base of the piston needle holder , there is a press in setting for the jet heights. they have been known to vary due to fingerpoking ingress by misguided twiddling ,well they should be a pressed in fit . Pete The needle screw range is just over 2 turns , the jet heights were initially incorrect on both with 20 thou difference between the 2. I have adjusted them to 100 thou give or take a couple . I did think of increasing the depth to say 115 to increase the rich range but thought that might be heath Robinson as the manual says 100 thou. Knowing my luck the jet would not stay at 115 !! The CD150’s I have I’m hoping won’t need much refurb . The splindles feel ok and will strip to confirm there is no play. The butterflies have screws which haven’t been peened over / flattened suggesting they might have been refurbed a while back Pete the diaphragm is weighted and there is a spring . Thanks for all the input Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted May 11, 2019 Report Share Posted May 11, 2019 Getting decent small O rings for the bottom jet adjusters can be a leaky purchase And the alloy sealing washer for the jet boss is rocking horse doo doos But I still prefer stroms. Pete Link to comment Share on other sites More sharing options...
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