Carl Beck

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Carl Beck last won the day on November 24 2017

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About Carl Beck

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    Clearwater,Florida USA
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    Systems Engineer -Aerospace

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    69,70,71,72,72 & 73 BRE-Z

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  1. @Randalla Where Weaker is Better: New US Federal Motor Vehicle Safety Standards (FMVSS) were issued and put into force for all Vehicles Manufactured on or after March 1971 to be sold in the USA. One of them specified the amount of force at which the steering wheels had to break-away or yield. It was intended to lower the number of broken wrists and arms - when Drivers were thrown against the steering wheel. Much the same as earlier specifications applied to the collapsable steering column requirements. To meet that standard, the original design steering wheel had to weakened and it was done by punching out the former indents in the steel. Figuring out how to meet that new standard most economically; and putting it into production - was one reason the Series II 240Z’s had to be put into production by or before March of 1971. So the weaker and safer steering wheel started with the Series II cars at HLS30 21001.
  2. @Randalla Sorry I had to be away from this for a few days - but getting back to your original Post. The 2400 Valve Covers were used on all 240Z’s arriving here produced up until the first 240Z’s with A/T started to arrive. The 240Z’s with A/T that we saw at the time, came though with the OHC valve covers, and soon that followed on the manual shift cars. I do not believe we ever pinned it down factually to a specific VIN range - - but that was on cars produced in 08/71 and VIN ranges around 8000. If some original owner had a 240Z produced in 09/70 with a 2400cc valve cover in the 9000 VIN range it wouldn’t surprise me - but I seriously doubt we received more than 9000 or 10,000 2400 cc valve covers - and that is why today they sell for $450.00+.
  3. Throw them out or use them? You are pulling our leg! Auto Manufacturers warehouse massive inventories of NOS Parts, to supply their Dealers and Customers with repair and replacement parts for years into the future. It is a huge Profit Center. Among all of them I’ve ever dealt with - Nissan supplied NOS parts far longer than anyone else - 25+ years after initial production you could get just about anything over the Nissan Dealer Parts Counter. Silly to think that the production/assembly lines would be faced with using up left over parts, or that they would start production of a new model without having all the necessary parts needed to feed an assemble line. Granted that we did see a few “mistakes” at the very end or very beginning - but what we see today on 50 year old examples passing though unknown numbers of previous owners is really proof of nothing. If the 260Z was a hodgepodge - the reason was ever and quickly changing US EPA, DOT-FMVSS standards at the time. All the auto manufacturers selling vehicle in the USA had to deal with that situation; and I think Nissan did a admiral job. Especially considering the very low production numbers of the Z Cars; by US standards any production vehicle selling less than 100K units per year is almost a limited production example. Ford sold 385,993 Mustang II’s in 1974, Chevy sold 151,000 Camaro’s in 74 where Datsun sold about 150K units in Four Years!.
  4. According to Nissan, some 18 new improvements were incorporated into the 1971 LATE MODELS - aka Series II - the second series of chassis serial numbers starting at HLS30 21001 and HS30 00501. All 18 of these improvements were made at the Model Change Over.
  5. The switch from Vertical to Horizontal Defroster Lines - took place at VIN HLS30 062001 - Jan. 1972
  6. As the sticker says - "Vehicle Emission Control Information”- - it is not a performance spec. Customers that wanted a performance tune knew what to do. Still in several States they had to pass annual vehicle emissions tests to keep their cars registered for road use. Customers in the USA wanted cleaner air and the largest Customer Base that was almost fanatics about it was in California; where some 20,000,000 people were choking on pollution almost monthly. California lead the demand for the reduction of automotive exhaust gas pollution, with their California Air Research Board setting State Level Standards, restricting exhaust gas pollution and gasoline vapor pollution over and above the USA Federal Standards which were the strictest enforced in the world. So for daily driving a Sports/GT Customers were more than happy to give up a couple HP for cleaner air; especially in a car where losing a couple HP wouldn’t even be noticed in day to day traffic.
  7. Chris, I'd say they were five digit serial number up to 100000 - - HLS30 100095 had a date of Mfg. of 08/72 and the highest VIN for a 72 Model we have found so far is #101398 in Portugal.
  8. While the Date Range is wrong - the chassis serial number ranges are correct according to the Service Bulletins.
  9. I certainly did not coin the term - I’m not that OLD! The use of Series designations to distinguish one model from another of various Marques, when confusion existed because of terms like “Model Year” - has been around and in use among auto enthusiast since I can remember. The E-Type’s for example used Series I & 2 when both models were sold with the same Model Year designation back in the early 60’s. (Some say Flat Floors) So nothing new there. Series designations were applied to the Datsun 240Z’s by enthusiasts not to long after Nissan sold the same model as both 1970 & 1971 Model Year vehicles, long before the Internet. We know there is a large overlap in the Registrations and Titles of 1970 &1971 Model Year examples. The first, second, third and fourth Series of Chassis Serial Numbers for Datsun 240Z’s are all specifically identified by Nissan in their Technical Service Bulletins. There are four specific VIN number series used to identify them.(one VIN series for Left Hand Drive and another VIN series for Right Hand Drive). Nissan issued Technical Service Bullets listing the beginning VIN chassis serial number series (Vehicle Information + Chassis Serial Numbers) as well as what Nissan considered major improvements to Safety, Comfort and Convenience of each - all introduced at the same time on the subsequent series. For HLS30 models: The First Series of Chassis Serial Numbers Sold to the Public - VIN’s HLS30 00013 The Second Series of Chassis Serial Numbers - VIN’s HLS30 21001 The Third Series of Chassis Serial Numbers - VIN’s HLS30 46000 The Fourth Series of Chassis Serial Numbers - VIN HLS30-120001 For HS30 models The First Series of Chassis Serial Numbers Sold to the Public started with HS30 00003 (from Oct.69) The Second Series of Chassis Serial Numbers - HS30 00501(from Jan 71) The Third Series of Chassis Serial Numbers - HS30 01501 (from Sep. 71) The Fourth Series of Chassis Serial Numbers - HS30 14001 (from July 72) Nissan listed some 17 or 18 specific Safety, Comfort and Convenience Features introduced on the Second Series of HLS30 production for North America, starting with VIN HLS30 21001 . These were not changes to minor parts during the production run, nor changes to part numbers made throughout the calendar year. These were improvements you got for buying the New & Improved Model being released and not found on the earlier one. See: SERVICE BULLETIN, February 1971, Vol. 137 INTRODUCTION OF DATSUN 240Z SPORTS MODEL S30 SERIES” (1971 Late Models) Likewise the New Model Introduction - Technical Service Bulletins - issued by Nissan list the significant changes for the third and fourth Series of production. Several of these Nissan Technical Service Manuals are now available in digital form on line.
  10. About the plastic guide rollers on the ends of the lift arms - A friend of mine took his regulators to a local Machine Shop - they removed the original rivets and found plastic guide rollers that would work -then riveted the new one’s back on. You could also use a bolt on type - just cut the bolt off and spot weld.. Something like these… With 50 year old cars - sometimes you just have to make the part.. good luck, Carl
  11. Most of the time - the problem with windows rolling up/down are caused by the felt pads and seals in the window door frames. You have to take the door apart - pull the window frames out - and replace the felt and rubber seals. Many times the plastic rollers on the window lift will be gone as well.. but cleaning and new grease will solve most problems.
  12. Fresh Tires close to the original size will work wonders for both ride and handling. 195/70x14's - 205/60x15's will work, but steering is a little harder and wider tires tend to "track" or follow the road more. Very important to assure you have good bushings in the Tension/Compression rods. KYBs are good if you can still get them, Tokico gas pressures are fine as well. Stock spring rates are fine, a slightly larger diameter front anti-sway bar improves handling without having too much effect on ride quality.
  13. Just an FYI - - Carl B.
  14. Thanks for the Travelog @Dave WM - Hats Off to you for venturing out on the journey! Now I'm wondering what inspired the trip to begin with? Carl B.
  15. Hi Carl,

    I am restoring a series one 1/71 240Z. The car came with a 260Z steering wheel, because the original owner wanted a fatter grip.

    Which steering wheel is correct for my 1/71 car (open slots or not) - which may be one of the last cars produced in the series one group VIN # 20520

    thanks for your help,



    1. Carl Beck

      Carl Beck

      Hi Steve - No Slots.  20533 had no slots, nor did 20528 etc.  So far 20533 is the highest VIN we have found for a Series I Z.


      I had Harold Parnes as the last listed owner.. did you buy the Z from him?

    2. VNTGE Z

      VNTGE Z

      Yes - I bought the car from him- he basically flipped it from the original owner, Irving Katz in Livingston NJ.

      surprising no rust - must have been that god-awful Zeibart...


    3. Carl Beck

      Carl Beck

      OK - thanks for the update..