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jonbill

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jonbill last won the day on March 11 2020

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    260z

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  1. you'll need a new clutch release collar to match the clutch (assuming your old clutch is 225mm) might be better off getting a 240mm flywheel too.
  2. what was the clutch sold as for? I have a XTD RB25 clutch and flywheel in my Z and the bolts and dowels only line up in one position. (i. e. no rotational symmetry).
  3. Here's my old r200 open diff. You can see the end of the shaft that carries the spider gears and its a bit chewed from the roll pin breaking and the shaft rattling around.
  4. open diff? sounds like the roll pin that holds the spider gears failed.
  5. ah makes sense. it can be too rich at idle and lean elsewhere. also worth checking ignition timing.
  6. whats the carb setup? triples or twin SU? for 3&4 to be richer than the rest is unusual on twin SU. maybe the problem isnt 3&4 but 1,2,5,6 being lean. I'd start with working out why all the cylinders aren't the same.
  7. looks pretty normal to me. temperature looks high tho!
  8. did you check the new thermostat before installing it? new ones can be bad. Also, is the valve central in the thermostat or offset to one side? if offset, I think its possible to install it so it can't open fully. (one side of the thermostat housing is shallower)
  9. you could fit a wideband o2 and gauge and then you'd know if it was a fuel problem. I've had problems like this with a couple of pertronix igniters. So I'd mainly try to get/borrow a 280zx distributor and see what that does for it.
  10. if you've got plain water in it, then I think the saying is: if it ain't broke, it will be soon.
  11. I use normal water/antifreeze plus some water wetter. seems a better compromise than the waterless stuff.
  12. I think if you've tried swapping injectors and leads from other cylinders onto #1 and it doesn't make a difference, then it must be something about the route into the cylinder - either the valves aren't opening properly or there's something in the way - gasket maybe?
  13. follow the instructions in the book. How to Rebuild Your Nissan & Datsun Ohc https://www.amazon.co.uk/dp/1931128030/ref=cm_sw_r_cp_apan_glt_i_9V7X0J9VS8R27RZTFBM6?_encoding=UTF8&psc=1
  14. I think its unlikely to have taken 1 minute for the fuel pressure to have come up. 1 minute of running will get some heat into the valves and inlet, so fuel vaporisation is massively better after a minute. it just sounds like a lack of cold start enrichment to me.
  15. I think BPR6ES are gapped at 0.8 and BPR6ES-11 are the same, but gapped at 1.1. Either can be re-gapped to something else.
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