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240260280 last won the day on March 20

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About 240260280

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My Z Cars

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  1. I have a Z432R rear view mirror if you need one.
  2. After all the testing, we could never tune out the rich dip at WOT onset. The only time I saw it tuned out was when exhaust reversion was dealt with. Also, it does not seem to be as significant on 40mm carbs. It would be great if someone could fab a beat-off old header into an anti-reversion header and see if it can help the cause. We have done a lot of work on this but it seems it will need a look at the full breathing system to optimize further.
  3. ~ 0.5 to 1 point richer. Probably due to the choke and colder weather. Shape is similar. I think the exhaust reversion may be causing the rich dip that seems to be in all EFI and Carb runs with 45mm DCOEs. The only big difference is right after going to WOT, the rich dip now starts earlier. A smaller main should bring the A/F up a point.
  4. Looks similar to Sept. but ~ half a point richer. I'll plot later today.
  5. Sorry, I forgot to ask earlier. My friend does not want to sell but of course he would entertain an offer. If interested, please send me a message.
  6. Bought a parts Sept 1970 240z to help with #147 resto. Seems to have early radio and antenna switch. Fingers crossed on the 2400 Valve Cover. I have not seen the engine yet and Sept is the final month of the 2400 cover.
  7. Version 1.0.0


    Thanks to @Lumens for providing this manual to be scanned. You will find interesting data such as the 73 240z E88 heads and pistons being different (pand details of the differences). Also a lot of interesting data on tuning flat top carbs @Zup, @zKars, @Captain Obvious - float levels over the years for 1970,1971,1972, 1973. - cooling - evap / emissions - amco bumper guard - ciggy lighter - automatic transmission (switch and shifter) - 73 tune up procedure - Crank Shaft Pulley Mods - brake caliper problem - oil pressure gauge switch to 90psi


  8. Version 1.0.0


    TSB addresses air tight connector in ignition that can cause intermittent spark.


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