jp928

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About jp928

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  1. Spanners used daily here Bernie. Some wrenches too. I knew about block stud thread countersinking from my father. keep up your posts please, we all learn something from them. I just noticed a Rover 9 engine and gearbox was sold on gumtree recently - will have to check more often. jp
  2. 2 x 1.5 " SU is a ot of carb for a 1500 - very sporting. Last big carbed engine I had was Rover 2000 TC with 2 x 2" SUs. So why are the piston crowns offset ? thanks john
  3. Bernie, Asymmetric piston crown orientation is obvious - block changed for more capacity, but head casting not changed ? Block bore spacing changed, but not the head to match? How does coolant get from the block to the head ? One connection at the rear that is not visible in the pics? thanks john 26 Rover 9
  4. Bernie, RE the Humber crankshaft - does it have oil drillings to feed the 2 and 3 big ends? Or is it splash lubed? Just curious. Thanks john
  5. Dont forget the latest Fiat 124 Sport is a Mazda ND model MX5 under the skin - Fiat drive train and body skin, Mazda base and suspension. Seems to go every bit as well as well a the original, and looks very good. jp 26 Rover 9
  6. I have a cover called 'Laid Up' here in Oz for my 26 Rover - basically only covers a total loss caused by the house burning down or otherwise destroyed. A$60/pa covering A$9500, unfinished restoration. Have a kit car (Lotus 7 clone) covered for $23k for $290/pa, only to be used for 90 days/pa. Insurer is selective about what they cover - for ordinary stuff like Mazda3, their quotes are prohibitive. I think you need to look for a speciality firm, or go through a broker. jp 26 Rover 9
  7. Some of the better horn sounds are produced by using two horns with different but complementary tones, a bit like playing chords on a piano. You would not normally notice this until one of them failed. I will see if I can any data on this. jp 26 Rover 9
  8. Looks terrific, well Done. One question - 'sominstrated' ? jp 26 Rover 9
  9. VINs were not standardized until 1981, before that each manufacturer used their own layout. Do a search on the web to see if the maker can/will decode a 63. jp 26 Rover 9
  10. I am fitting LEDs to my Rover, but fortunately its a neg earth, which surprised me somewhat. I think your only option will be to isolate your light fittings completely from the chassis and run 2 wires everywhere. I was told my car was not an earth return system, but with the dynamo having only 1 wire (charge output) it can only be neg earth - and the dynamo charges fine. jp 26 Rover 9
  11. Apart from lowering the EP pressure back to what the carb expects, I would also check for signs of deposits settling out of the gas while it was parked up for months. If you have anything on the needle and seat it would not seal properly, and deposits in the lines wont help either. With a car with a fuel return line that had this problem I have had good results from loading the tank with oil like Berryman's or Marvel Mystery oil, and letting the pump run for an hour or so (while you are close by!). Vapour locks usually occur when you have either hot fuel, and/or a sucking pump above the tank. The action of sucking lowers the pressure above the fuel, which tends to lower its boiling point and start it vaporizing. When I was you we had a car that did this, and found that painting the botoom of the tank that was exposed to road heat help to keep the fuel cooler, and reduced vapour locks. A pump located near the bottom level of the tank should never get any vapour problems. jp 26 Rover 9
  12. Is it that hard to find 6V horns of the period? jp 26 Rover 9
  13. I am finishing a resto on a 26 Rover with 6V electrics now. It came with the starter, dynamo and maggy all overhauled, and with a good sized (105Ah) 6V battery it spins and starts fine, so it will be staying on 6V. All the wiring is new, as none came with the car, so all the contacts are clean and new. I am planning on 24W headlight bulbs, and using LEDs on all the other lights - readily available in BA15S (single contact) and BA15D(dual contact) formats. Dont condemn the 6V system until you have refreshed the starter and dynamo - unless you have somebody on hand who can convert the whole system to 12V reliably. And yes, all my system is infamous Lucas stuff - Prince of Darkness, as 'Gentlemen dont Motor after Dark'! jp 26 Rover 9
  14. A suggestion for carbs that look nice and clean, but dont behave properly, before you get extreme with it - try an ultrasonic bath. I have had some very good results with miniature carbs on model airplane engines. Some of these have fine passages that you cant easily get at to clean them (or even see inside), and pressed in jets. If they sit unused for a long time they can gum up exactly the same as old car parts. Sometimes finding the right solvent can take a bit of trial and error, but so far I am batting 100. I have run items for an hour if very dirty, and change the fluid and repeat until the fluid stays clean. They are not expensive these days, BUT make sure you check the bath size will handle what you propose to clean - some cheap units will barely take a burger. Or maybe a very good workshop might have a commercial size unit you could 'borrow'? jp 26 Rover 9
  15. Either would probably work, as long as you are sure of the diagnosis. If the temperature is fine while moving on the open road, but rises while stationary, it is most likely an airflow problem, unless something has changed recently that would reduce the fan speed or its efficiency, or the water pump's efficiency. A shroud would probably be less obviously out of character. Measure the radiator core are to be covered, and start searching for a shroud that will cover 90% of its area, and see how tightly it will enclose the fan's blades. My reading says electric fans work better sucking through a radiator from behind, than trying to push through from in front. They also need a shroud for efficiency. jp 26 Rover 9