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   All Posts (racer135)


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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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I think you'll find that belt is probably for the early model A12 with the alternator mounted on the manifold side of the engine

Posted on: 10/6 10:41
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4 utes, 1.5 sedans, 2 120Y sedans, 1 C120, 1 1600 sedan, all look like or are wrecks
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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Also, I think Chris Lyons (clyons on here?) may have made that manifold, or at least he made some steam pipe ones much like that.

Posted on: 9/29 11:53
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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Almost all ignition+fuel ECU's have fully customizable ignition maps, you can even get them to advance according to readings from the MAP sensor. If you were going to go carby turbo, you can get programmable MSD modules which are basically an ignition-only ECU, same deal, fully customizable maps + advance and retard according to MAP readings, for a fraction of the price of an ECU.

Posted on: 9/29 11:51
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Re: H89 vs gx head
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From what I've read so far in the book I mentioned earlier, square ports have poor flow characteristics. I think the only reason most manufacturers use square ports is because of space limitations. Chev did it because of the pushrod location. I think the book even mentions filling them to an oval-ish shape drastically improves the flow. Definitely worth having a look at the book.

Posted on: 5/24 5:37
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Re: H89 vs gx head
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In the not too distant future I'm hoping to try a few different standard heads on a 'control' engine in a car on a dyno to see what figures each one makes.

I'm also hoping to port a round port using the info from the book 'performance 4 stroke tuning' by A. Graham Bell to see how it goes vs standard.

I don't know of any places near me to test them on a flow bench unfortunately, would be much better I'm guessing, less variables and whatnot.

Surprised after all these years that noone has done it before and posted the results in tech wiki.

Posted on: 5/23 9:54
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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Quote:

ddgonzal wrote:
Yes, you are correct. In USA we never got the "new" mid-distributor A12 -- ever. We did get the A12A in the base B310

A12 1171cc
A12A 1237cc (+2mm bigger bore)

In New Jersey, A12A is more common than A12

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So your Pulsar/Cherries and B210's never had the late A12's?

Posted on: 2018/11/21 11:43
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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A12A is not the designation for the mid dizzy motors. A12A is an uncommon version of the mid dizzy A12's from the B310 which has bigger wrist pins and fatter conrods at the small end to suit the bigger pins, and the bores are also a touch larger which makes them something like 1237cc. Unless it has A12A stamped in the engine number area?

The oil cap just has a pair of magnetic squares/clamps sitting on it

Posted on: 2018/11/20 6:44
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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Nearly every Japanese car has metric bolts and fittings. Mazda use imperial brake and clutch line fittings on some of their cars, like the B1800 ute I had. Massive mind f*** when I tried fitting a Datsun clutch master until I figured it out. Surely if it wasn't right you would have noticed as they would have been very difficult to tighten up.

Posted on: 2018/8/10 13:18
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4 utes, 1.5 sedans, 2 120Y sedans, 1 C120, 1 1600 sedan, all look like or are wrecks
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Re: Datsunbeginner becomes an expert - Vanilla Ice ute build USA
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Coupe bearings are supposedly different from the ute/sedan/wagon. A friend on Facebook discovered that when rebuilding the rear end in his convertible coupe.

Posted on: 2018/7/29 13:18
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Re: A12iR Project (i = single point injection, R = supercharged)
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And as for the idle control, I ditched that idea, I'll probably just run a solenoid or two off some ports on the manifold with some metering holes of different sizes on the open side and drill them to get the idle speeds needed.

Posted on: 2018/4/25 5:15
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