datzenmike Posted July 9, 2020 Report Share Posted July 9, 2020 What 'regulator'??? Voltage regulator??? It has crimped on spade connectors so? can't say for sure what if anything has been altered or not or if wire colors have been changed too. I don't see the ballast resistor near the coil... 1 Quote Link to comment
Zonargx Posted July 9, 2020 Report Share Posted July 9, 2020 1 hour ago, datzenmike said: What 'regulator'??? Voltage regulator??? It has crimped on spade connectors so? can't say for sure what if anything has been altered or not or if wire colors have been changed too. I don't see the ballast resistor near the coil... Yea I seem to be missing a ballast resistor and I’m not familiar with those but the green and yellow wire I guess I doesn’t really matter right now just wondering If I need that ballast since all the pictures I see of 521s seem to have one. The positive on the coil had to wires one was hooked to it and the other was just hanging front there. It was a small wire though about 3 inches long since it wasn’t hooked up I deleted it 1 Quote Link to comment
Zonargx Posted July 9, 2020 Report Share Posted July 9, 2020 so top one is of that green/yellow wire not hooked up to anything. The coil had a small length extra wired also not hooked up and that’s the one I deleted 1 Quote Link to comment
banzai510(hainz) Posted July 12, 2020 Report Share Posted July 12, 2020 (edited) points run a about 1.6 ohm stock coil and a 1.6 ohm ballast resitor otherwise your pints fry up and starts sputtering usually pretty fast. usualy the 521 has 2 wires at the coil. one is the hotstart()start key switch) and the other goes thru a ballast when the key is back to ON this is a simple hook up with you have a diagram Edited July 12, 2020 by banzai510(hainz) 1 Quote Link to comment
Zonargx Posted July 14, 2020 Report Share Posted July 14, 2020 On 7/12/2020 at 4:06 PM, banzai510(hainz) said: points run a about 1.6 ohm stock coil and a 1.6 ohm ballast resitor otherwise your pints fry up and starts sputtering usually pretty fast. usualy the 521 has 2 wires at the coil. one is the hotstart()start key switch) and the other goes thru a ballast when the key is back to ON this is a simple hook up with you have a diagram Ok so if I want to get the pertornix point delete do I still need a ballast resistor ? 1 Quote Link to comment
Crashtd420 Posted July 15, 2020 Report Share Posted July 15, 2020 12 hours ago, Zonargx said: Ok so if I want to get the pertornix point delete do I still need a ballast resistor ? Yes.... it's not like a matchbox distributor upgrade, the pertronix just gets rid of the points adjustment.... everything I even read said keep the ballist resistor.... 4 Quote Link to comment
banzai510(hainz) Posted July 17, 2020 Report Share Posted July 17, 2020 The black white wire goes to the ballast resistor first thru the coil then the blk red I think it is to the + side coils which has the 2 wires(lug) 2 Quote Link to comment
datzenmike Posted July 17, 2020 Report Share Posted July 17, 2020 If the start and run ignition wires were reversed to the ballast and coil +, it would run 12 to the points coil all the time. This would over heat it and be rough on the points. 2 Quote Link to comment
Zonargx Posted July 22, 2020 Report Share Posted July 22, 2020 So my pertronix and a ballast resistor have been order. Today I took a look under my hood to see how I was gonna wires up my ballast and notice this two wires tucked in the wiring harness and they follow the wire that goes to the positive on the coil I’m wondering if this went on the ballast. 1 Quote Link to comment
Zonargx Posted July 22, 2020 Report Share Posted July 22, 2020 The wires are not hooked up. It’s frustrating when you buy a car that may have had things removed. 1 Quote Link to comment
wayno Posted July 22, 2020 Report Share Posted July 22, 2020 Green wire with red line has something to do with left turn signal unless it was cut and used for something else. 1 Quote Link to comment
Zonargx Posted July 23, 2020 Report Share Posted July 23, 2020 thanks @wayno I’ll trace the wire when I get a chance to work on it again 1 Quote Link to comment
banzai510(hainz) Posted July 23, 2020 Report Share Posted July 23, 2020 (edited) those wires don't look related to the ignition pertronixballast.bmp Edited July 23, 2020 by banzai510(hainz) 1 Quote Link to comment
Zonargx Posted July 23, 2020 Report Share Posted July 23, 2020 2 hours ago, banzai510(hainz) said: those wires don't look related to the ignition pertronixballast.bmp 900.05 kB · 4 downloads Thanks @banzai510(hainz) Also last question do you know what that sensor on the firewall that goes to the back of the gas pedal is called and what it does? 1 Quote Link to comment
DanielC Posted July 23, 2020 Report Share Posted July 23, 2020 It is not a sensor, it is just a a switch. Stock 521 trucks had a dual point distributor that had one set of points retarded 10 crankshaft degrees, that was only used in third gear, part throttle, but not when the throttle was completely closed. The firewall gas pedal switch just let the system know the throttle is completely closed. If your 521 has had the carburetor changed, or a transmission swap, or a matchbox distributor, the system is non functional now. 2 Quote Link to comment
Zonargx Posted July 23, 2020 Report Share Posted July 23, 2020 @DanielC I’m new to datsuns so it’s nice to know this stuff. My truck must had a single points dizzy installed and the ballast removed also it does take it a bit more than normal carbureted cars to start. If I’m correct my pertronix and ballast will be here on Friday and I’m looking Foward’s to installing and seeing if it makes a change plus I just really wanted to get rid of the points and get a better spark. 1 Quote Link to comment
DanielC Posted July 23, 2020 Report Share Posted July 23, 2020 Here a wiring diagram. Two wires feed power to the ignition system. There is a black with a white stripe wire, that comes from the ignition key, goes to the fuse box, and then out to the ballast resistor, when the key in in the run position. The ballast resistor feed current to the ignition coil, and the distributor them grounds the coil. When the points in the distributor open, or break the ground connection to the coil, the coil fires. The second wire feeding power to the ignition system is black with a red stripe. This wire comes from the ignition switch when the key is in the start position. This wire feed current directly to the coil, bypassing the ballast resistor. This provides a stronger spark when cranking. 1 1 Quote Link to comment
Zonargx Posted July 23, 2020 Report Share Posted July 23, 2020 Thanks @DanielC 1 Quote Link to comment
Stoffregen Motorsports Posted July 23, 2020 Report Share Posted July 23, 2020 9 hours ago, Zonargx said: @DanielC I’m new to datsuns so it’s nice to know this stuff. My truck must had a single points dizzy installed and the ballast removed also it does take it a bit more than normal carbureted cars to start. If I’m correct my pertronix and ballast will be here on Friday and I’m looking Foward’s to installing and seeing if it makes a change plus I just really wanted to get rid of the points and get a better spark. What do you mean, it takes a bit more? It's quite common for carbureted cars/trucks to have hot start issues. Being that you're in LA, could the starting issues be related to high temps? Sometimes you need to lean into the throttle during hot start. Oh by the way, it's a distributor, not a dizzy. Maybe it's just me, but I hate the term dizzy. Seems like lazy English to me. 1 Quote Link to comment
Zonargx Posted July 25, 2020 Report Share Posted July 25, 2020 On 7/23/2020 at 10:25 AM, Stoffregen Motorsports said: What do you mean, it takes a bit more? It's quite common for carbureted cars/trucks to have hot start issues. Being that you're in LA, could the starting issues be related to high temps? Sometimes you need to lean into the throttle during hot start. Oh by the way, it's a distributor, not a dizzy. Maybe it's just me, but I hate the term dizzy. Seems like lazy English to me. I have never used that term until now I saw everyone use it. I got helped already and install my ballast as well as the pertronix. I am now waiting on my disk brake parts and brackets to arrive soon to install my disk brake conversion. 2 Quote Link to comment
datzenmike Posted July 25, 2020 Report Share Posted July 25, 2020 Datto................. Datsun Damper............ shock absorber Sump............... oil pan Matchbox....... EI dizzy (see below) Dizzy............... distributor 3 Quote Link to comment
DanielC Posted July 25, 2020 Report Share Posted July 25, 2020 Mike, you forgot Goon ......... Wagon 2 1 Quote Link to comment
datzenmike Posted July 25, 2020 Report Share Posted July 25, 2020 I'm struggling here. Yes! 2 1 Quote Link to comment
Stoffregen Motorsports Posted July 25, 2020 Report Share Posted July 25, 2020 For some reason dizzy just gets me. All the other slang is ok, but dizzy...? I don't know why. 1 Quote Link to comment
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