Datsun A12: 90 Products
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Datsun 1200 Ute A12 (test run)
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Datto 1200 Ute A12 (first time on road after A12 engine rebuild - the test run)
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It doesn't pay to tamper with the exhaust system
Articles
February 09, 2012
But no matter which choice we made, the results were similar - the noise would be so loud that people's ears would hurt and the general public hated us. Once I grew up and started to race cars instead of motorcycles (I drove a Subaru FF and Datsun... With our limited knowledge, my friends and I would consider the following: if a two-stroke engine, the exhaust pipe had to be fat like a pregnant woman in the centre and the tail pipe had to be narrow. I met up with friends and we would talk about motorcycles all day long, and once we reached the stage of wanting to modify our bikes, the first thing we attempted to do was modify the exhaust pipes of the bikes we would ride to school every morning. For four-stroke engines, the pipe must start with being narrow and then expand to being wide like a horn towards the end. This time, however, I learned the difference between the exhaust pipe and the header, which quickly was gaining popularity among car enthusiasts and there were a large...
via The Nation
You Ask We Answer
FAQs
Q:
turbo datsun keeps blowing head gaskets?
i have a 1972 datsun 1200 sedan. it has a a12 motor with a bluebird ss turbo on a blow through set-up so it is still carbuetor. have had it go to the mecanhics twice with blown headgasket and both times iv had new things done like head work and oil cooler, racing radiators to handle the turbo, after thousands spent it still blows headgaskets but doesnt seem to overheat at all.any ideas????
(asked by turbohellride on February 09, 1881)
A: The Datsun 1200 engine was never designed to be turbocharged, so you are asking it to do things that are difficult.
You may have better luck if you reduce the boost on the turbocharger. Changing the pistons to reduce the compression ratio would also help. This may be necessary because it sounds like the head has been machined, which usually increases the compression ratio.
Finally, whenever changing a head gasket on any engine, you must check the mating surfaces with a straight edge and carefully tighten the new head bolts (don't re-use the old bolts!) with a high quality torque wrench following the proper sequence. (answered by gearhead4 on February 09, 2606)
You may have better luck if you reduce the boost on the turbocharger. Changing the pistons to reduce the compression ratio would also help. This may be necessary because it sounds like the head has been machined, which usually increases the compression ratio.
Finally, whenever changing a head gasket on any engine, you must check the mating surfaces with a straight edge and carefully tighten the new head bolts (don't re-use the old bolts!) with a high quality torque wrench following the proper sequence. (answered by gearhead4 on February 09, 2606)
via Yahoo Answers
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Books
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224 pages Datsun 120Y, B210 series, A12: 1200CC, A13: 1300CC, A14: 1400CC, 1974-June 1976 -
224 pages Datsun 120Y, Sunny, B210, A12:1200cc, A13:1300cc, A14: 1400cc, with specifications, repair and maintenance data -
West Africa
Selection prepared by Ad'Obe Obe LOW MILEAGE JAPANESE ENGINES Nissan/Datsun Sunny, A12 C105.00 Nissan/Datsun Violet, A14 C1 10.00 Nissan/Datsun Violet, ...
