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Re: 1971 Datsun 1200 (B110) Alternator Conversion?
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Agreed, it is more elegant and will be more trouble-free if you splice the wires and solder the connections. It's not as easy as jumper wires, but it's better. You can even run the correct size wire for 50A from the alternator to the battery (the existing large wire is designed for 35A)

Yes, the solid-state internal regulator (transistorized) has much better voltage control than the old electro-mechanical Regulator

Posted on: 11/17 5:56
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Re: WTB: a14 timing cover
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Just in case someone is reading this ... A14 uses the same timing cover as A12 from around 1972-up. Only the very earliest A12 uses different

A12/A14/A15 cover
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A12 early cover (1970-1971) doesn't have the numbers

Posted on: 11/17 4:58
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Re: 1971 Datsun 1200 (B110) Alternator Conversion?
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As far as I know, no one actually reverses the wires. Instead they connect the T-connector wires to the appropriate harness wires. The easiest way to do it is to jump the Regulator Connector that is part of the Datsun 1200 wiring harness (this Connector is already wired to the T-connector that is the Y wire and WB wire). That's what your Datsun 510 diagram is showing -- 1970-1972 510 uses the same alternator wiring as 1200

Other ways to do this includes running new wires, or cutting and splicing the harness. But easiest just to jump the wires as shown in the Tech Wiki and also shown in the 510 diagram

1. disconnect the voltage regulator
2. in the regulator connector of the engine harness, connect WB wire to WR wire
3. connect W wire to Y wire

Photo showing one jumper wire in place
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Posted on: 11/17 4:45
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Re: 1971 Datsun 1200 (B110) Alternator Conversion?
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vIs this the alternator you will be using?
Quote:
ACDELCO 3341578 {#19134571} Professional; Remanufactured; 50 Amp Info Unit Mfr: Hitachi; Amps: 50; Pulley 1V; External Fan; Internal Regulator;
Notice the Hitachi symbol on the back

Attach file:



jpg  AcDelco 334-1578 Alternator.jpg (163.98 KB)
174_5a0e6891582d0.jpg 1500X1500 px

Posted on: 11/17 4:39
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Re: 1971 Datsun 1200 (B110) Alternator Conversion?
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If you remove the voltage regulator, the alternator will not charge. If you replace the original Hitachi alternator with a newer internally-regulated Hitachi -- it still will not charge

* The T-connector is connected to power by the regulator. Once you remove the regulator, no power will go to the T-connector unless you jumper-wire the connector or jumper the alternator directly
* The T-connector wires are reversed for the two types

A Delco alternator doesn't usually use a T-connector unless it is a rebuilt Hitachi-type alternator (rebuilt by Delco)

Posted on: 11/17 4:03
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Re: 1200 straight pipe ?
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Quote:
I donít want a very loud truck
The only way to keep it from being loud is to install a muffler. But you can finish the exhaust in many, many ways. For example my ute had a large muffler under the truck and a chrome cannon at the rear

For a stock engine, I would use 1.5" exhaust for maximum power. 1-3/4" will be a little louder but won't help performance (though it sounds tough!)

If you want a power-sounding (but only moderately loud sound) you can go with a "turbo" muffler (Dynomax 1.5" muffler $26). For good looks and longevity fit a stainless exhaust pipe after the muffler (or at least a long stainless tip at the very end)

There's a lot of room for mufflers
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jpg  16720.jpg (49.49 KB)
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Posted on: 11/15 4:30
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Re: HEI ignition upgrade
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Yes, all USA B310 is high energy. Also 1978 B210. 1975-1977 B210 was low energy though some used a high-energy coil along with a resistor because the early modules couldn't handle high amps

Posted on: 11/14 22:50
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Re: ****HELP!**** A12 RUNNING LIKE A DOG
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Good idea. It's easy and costs nothing and might pinpoint a problem

Spark Plug Inspection

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jpg  spark_plug_condition.jpg (83.72 KB)
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jpg  DensoSparkPlugChart_modified.jpg (60.43 KB)
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Posted on: 11/14 3:52
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1200 Clock for sale new - USA
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It's 1978-1994 1200 clock. Fits 1971-1973 B110 dash but not the console

http://ebay.com/itm/Datsun-71-73-1200 ... -27380-G1660/263246261904

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jpg  27380-G1660.jpg (138.68 KB)
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jpg  27380-G1660 box.jpg (141.53 KB)
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jpg  27380-G1660 rear.jpg (126.47 KB)
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Posted on: 11/13 7:05
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A14 electronic distributor $50
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good buy -- factory A14 reluctor type distributor which can be used with the $20 GM HEI ignitor or a Bosch 021 ignitor

I wonder which coil that is -- low-energy 12V or high-energy (22433-H7280 or 22433-H7285)

http://ebay.com/itm/Datsun-B210-elect ... atching-coil/272921581001

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jpg  B210 remote ignitor EI distributor with junction block.jpg (188.72 KB)
174_5a09341da9084.jpg 1128X960 px

Posted on: 11/13 5:56
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