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Doehring

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Everything posted by Doehring

  1. Zvoiture, 90 mph for an hour is nothing for a Z engine in good condition. Here in Germany we still don't have a speed limit on the Autobahn. At day times all german Autobahns are to crowded to drive high sppeds for a longer while, but at night there are some routes where you can go faster. 110mph is a cruising speed for cars like ours. You can also go up to your limits. That's where the Z32 Twin Turbos get their Turbo problems, not the Z31 Turbo, not the 280ZX Turbo and not na Zs. I had a similar problem as you on my Z31 Turbo 2 times and it always was the gauge. I also heared that todays light syntetic oils are good for Turbos and todays engines whereas the former engines have been built with less fit. That's why I use in my 240 Castrol Classic. Did you check your compression rates ? I think it is the gauge that fools so many of us. Rolf
  2. Thanks for both replies. Unfortunately it seems that I have a bigger problem than expected. Does anybody know more details /measures on those outer sleeves? Rolf
  3. Hi all, I wanted to change my moustache bar bushings to MSA's Urethane ones. I took the bar to a shop secialised on drivetrains to push the old bushings out, what they did. Back home I put the new bushings in but the didn' fit snug. Is there also an outer sleeve between the bushing and the moustache bar's "open eye" ? If yes, the shop pressed it out, too and I need a new pair. Has anyone a pair or does any one know a source or has anyone of you the exact measures of that sleeve and it's kind of metal so that I can try to find a similar tube/pipe so that iI can ask someone here to fabricate it for me. Thanks Rolf
  4. Thank you madsoul Rolf
  5. I think about replacing the mechanical fuel pump by an electric one. So I am also interested to know what pressure is needed for the SU carbs in a '72 240 Z Rolf
  6. There were some different works options in different countries. All Zs delivered by Datsun Germany had soft front and rear spoilers. I also know somebody who has a textil sunroof in his 260Z 2+2. He is the original owner and he said that option was on the official list. I also heard that the headlight covers were standard in some countries. Maybe Alan T. knows a lot more about that. Rolf
  7. The mix is at www.zhome.com. Look at Z Technical Library, Index of technical Articles, Body, Correct engine paint mix. Take care to get colours that are heat proof. Rolf
  8. In www.zhome.com there ist the recipe. I think you will find it under "Technical articles". Rolf
  9. I made the grill myself using the original (that had been destroyed in an accident) as basic model. The pic shows the raw version. Ii's now painted gun metal, like the original rear. Rolf
  10. 2manyZ, in 1969 I added an early transistorised ignition to the Honda S 800 Coupe I had in those days. It looked similar and had a switch to change back to the original untransistorised ignition. There was nothing changed inside the distributor. It was just to give more power to the spark, as I remember. The box had rips for cooling and it was installed in a fresh air flow. I can't imagine to have it in a closed box at the rear or was it laid down there unpluged and forgotten ? In the other case I would bet it is an alarm. Rolf
  11. Guus, my 240z has an mph speedo. I also got a 26oZ speedo in km/h. Their sizes ares identical, but not the way they are fixed to the dash and also the plugs/wirering is different. I would not try to change the speedo exept taking out the dash for easy access. What I did: At first I drove the car as exactly as possible for exactly 1 km at speedo showing 2o mph,30 mph, 50 mph and stopped the seconds I needed. Then I calculated the km/h at these figures. My speedo seems to be quite exact. In average I had to multiply the mph figure by 1,65 to get the "calibrated" km/h figure. I took a transparent adhesive foil and cut it to the silhouette of the speedo's glas. On that foil I marked little dots there where the speedo showed every 10 mph when I look at it normally sitting in my driver's seat. I took out the foil and pressed letra-set figures on it, showing the matching km/h. 0 = 0, 20mph = 33 km/h, 30mph = 50 km/h, 60mph = 100 km/h, 80 mph = 130 kmh, 110 mph = 180 km/h. 140 mph = 230 km/h. I finally fixed the foil on the glas. It works sufficient. I never had a problem with radar or laser guns because of wrong reading. The police normally accepts little tolerances and nearly every speedo has tolerances. Rolf
  12. Doehring posted a gallery image in Modeling & Art
  13. Rainer, as far as I know it is not available. I brought my seats to a n retired saddler. Total costs incl. steering wheel 500€. Rolf
  14. Doehring replied to mmagnus's topic in Electrical
    mmagnus, soory, I can't answer that because at the same time I got rid of the original cooling fan, the original fuel pump and the original header and exhaust. In 1 Z I also changed the SU's to Triple SK carbs a little later. I also changed clutch and bushings. So the cars got a very different "feeling". I don't think the smog pump costs much hp, but it is weight, makes things more complicated and isn't necessary. I do not even believe that it did some good to the environment because it didn't decrease the total CO2 and other emiisions, it just fooled the measuring instruments by mixing some fresh air under pressure to the engine's emissions. Rolf
  15. Doehring replied to mmagnus's topic in Electrical
    I put out the smog pump in both my '72 240Z without any problems. I also changed - but that's not necessary - the three dic damper to a 2 disc damper (called Euro damper). Rolf
  16. Doehring replied to Z-point's topic in Introductions
    Guus, congratulation, you did such a great job, it's incredible. The car will survive us. I will look out for some Webers Rolf
  17. Doehring replied to RossT's topic in Electrical
    "Fasten seat belts" ? Seat heating ?
  18. Hi all, the poll asked - that's how I understood the question - for the price that we paid for the car to the seller. For my 2nd Z I paid about 3500 $, for my 1st 4500. In general you have 2 basic possibilities: You can buy a quite cheap car, dirty, some minor rust, pale colour, little dents, worn tyres,no neat interior .... If you want to have that car in a quite top condition you have to spent a lot of money in parts and work. on the other hand you can spent some more money buying a car in nearly top condition and you save alot of work. I restored three Z up to now and I will do the 4th soon and my experiance is in the end you always end at about 8000 $ when you had done a lot of work yourselves and with a little help from good friends. Otherwise you will end at about 10000 $ or more . What you miss in that case is the feeling of success that you have when you managed the task and you are pride of YOUR result. You will love that car and it will be hard to sell it, if necessary. In the other case the car might be even better when professionals that you can trust in prepared the car. If they made a mistake you paid for it, if you have made the mistake you learnt for the next restauration.
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