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David Mirylees

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Everything posted by David Mirylees

  1. Now it starts to get ever more confusing!! Caterham tell me that the higher face should be on the engine side but two knowledgable owners say the opposite (one of which contacted me offline and mentioned that he had to turn the mount thro' 180° to get everything to fit)(thanks Niclas for the input). As an engineering designer, I can see the merits of the lower face facing the engine but it gnaws at me that Caterham say otherwise...ho humm...
  2. (Aeroscreens) I have the spacer between the box and bellhousing but no spacer at the gearbox to chassis mounting...
  3. The mounting when bolted through the chassis has a higher side (both metal and the bonded rubber) and a lower side. Presumably one or the other should face towards the front (engine) side? What makes the X-flow different regarding the spacer? (I have a Zetec) thks
  4. Just refitting my type 9 gearbox after a rebuild and see that the Caterham supplied (universal) gearbox mounting is not symmetrical - there is a higher metal and rubber on one side compared to the other. If this part is actually correct - which way round does it need to be? I also see on the Caterham parts web pages that they sell a "Spacer-Gearbox Mount". Does anyone know what this is for and whether it is required for a type 9? Cheers, David
  5. May well be an SV - unfortunately all I can see in a 7 at my tender years is a SIII - unless I can count the windscreen hood studs!! Regardless, here's a link to the Canadian Hyabusa installation (in an SV) which may be of help/interest
  6. Always thought that this was just about the quickest 7 I'd seen. Supercharged Hayabusa, and I can't see any bonnet cut-outs - there may well be further videos showing the installation. Cheers
  7. Thank you John - it all becomes clear now :-) The additional bracket for a couple of springs looks like a perfect solution (and for me the simplest) - just a case of sourcing the ideal springs to get the required tension then. I appreciate the offer of the Word doc. I'll blatmail you my email address. Very many thanks!!
  8. John, Thank you for the help! Pic here Bulkhead - not a pretty sight but a well used 7 :-) I can fabricate any required bracketry but at first sight I can't see how I retain the "release" area of foot on pedal towards the upper end (level with the other pedals). Cheers
  9. Any ideas on how to get a decent CRB (correct) pre-load on a 1988 chassied car? (old type with no pedal box housing/cover) cheers
  10. Thanks chaps - it would therefore appear that the "straight cut" noise is actually clutch generated. I take on-board the comment about the clutch cable and I'll pull it up a tad. I also see on previous posts that the CRB nowadays wants to be kept in contact with the housing fingers. Any ideas on how to get a decent pre-load on a 1988 chassied car? (old type with no pedal box housing/cover) cheers
  11. The output shaft rotates with the driven wheels. Understood The first motion shaft (input shaft) and the layshaft and associated components are attached to the clutch plate. Understood When the relevant gear is selected the appropriate syncro hub locks the gear to the output shaft, unless it is a direct gear then the first motion and out put shaft are locked together. Understood When the clutch pedal is depressed the clutch plate is disconnected from the clutch cover and flywheel. Understood Although internal frictions of the box will cause the out put shaft to turn with the input shaft when not in gear if the is no force applied to the output shaft. Understood ------- But if the box is in gear and the car is in motion, will the internals of the box still rotate (as they presumably are still meshed and driven by the motion of the rear wheels) when the clutch is depressed?
  12. OK, I'm getting old and the memory's failing and I should know this but... I have just fitted a new (rebuilt) gearbox and all of the clutch paraphernalia. When driving the car I can hear a sound - rather like a straight cut gear noise - when the loud pedal is relaxed. The noise disappears when the clutch pedal is depressed. Question is, when you depress the clutch pedal is it only the clutch plate that is free of the flywheel or also the first motion shaft? Or, when the car is moving and in gear and the clutch is depressed, does the gearbox effectively still rotate being driven by the rear wheels? Is the noise therefore gearbox or clutch? Cheers, david.
  13. I used an old hood as a basis for my '5 second' roof back in the early 80's, still used today when it's really bad weather and stays rolled up on the rollover bar when not in use over the worst winter months. Looks absolutely fine, no detrimental remarks (yet) and pre-dates the current offerings - must have been a good idea.......
  14. QED, unleaded conversion etc. 142BHP
  15. Thanks for the input everyone - consensus appears to be pump in the tank area with a regulator in the engine compartment. I'll be moving mine when I do my gearbox change in the next couple of months.
  16. OK, so I am a newbie with a 7 - only had one for 43+ years and still learning........... I notice that many later cars have their fuel pumps mounted adjacent to the fuel tank but I have always mounted my electric pump in the engine bay. What is the thinking behind the location of the pump and what is the recommended pressure that the pump should be set at for a 2.0 litre Zetec running on 45's? Cheers
  17. I had my twink in my Europa rebuilt by QED QEDLink many years ago. Superb job. Just by the bye, I don't often rev my engines over 6K rpm and QED sorted my engine to give really good performance at the rpm that I like. However, as mentioned earlier in this thread, quality doesn't come cheap.
  18. I did the conversion on my standard cockpit live axled 7 back in 1993 - works perfectly. I did a write up for "Low Flying" at the time and it's included in the 7 Hints and Tips that was collated. The pdf Hint & Tips can be found here 7 Hints and Tips and the conversion text is from page 69 with the modified bracket diagram on page 97. Some things may have changed over the years as far as suppliers etc may be concerned but it may give you a general idea as to what needs to be done.
  19. If it's an early type Zetec (Silver Top cam cover) then 5W30 must be used...
  20. There's actually supposed to be a small amount of play - see the articles in recent Low Flying articles covering this. (at least on trunnion type upright vehicles)
  21. Same thing happened to my Zetec after I changed the ECU. The info given above is accurate - simple software change via the laptop menu and all was normal again.
  22. I've been using a Triumph GT6 heater unit for the last 30 years or so. It's mounted inside the cockpit vertically on the scuttle. The bonnet has the rearmost louvres facing forward (Swiss style) to get fresh air when required. Works extremely well 😬
  23. Bonnet catches were all of the 'over centre' type.
  24. Just checked some pics of my S2 from 1968 and on the nearside (pre-crossflow), I can see that the bonnet clip is almost halfway along the bonnet which would explain the recess being pretty well mid-wing.
  25. It's been a very long time but I thought the recesses were for the areas where the bonnet catches were.................
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