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Electronic Ignition for TB42

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Posts: 1619
Joined: Wed Dec 24, 2003 11:26 pm
Location: Brisbane, Australia

Electronic Ignition for TB42

Post by Rainbow Warrior »

I fitted a Crane Cams Fireball XR3000 kit and PS91 coil and 9mm plug leads last Thursday, because I was having probable water induced problems with the Pirana setup, I took it offroad to Cruiser Park and am happy to report that it now spins miss free at 6500rpm :-)

It cost about $550 all up including a $30 plastic box to keep it dry and I seem to be getting nearly 380km per tank now mixed usage. It took me a day including rebuilding the dizzy with a new bearing. I'll try and post some pic's later. Crane part #'s are 730-0091 and 3000-0231.

I will try the modified rotor trick this week too.
Pat,
Brisbane, Australia,
JK 4door Rubicon, currently 4 Sale :(
It's a Jeep thing, I don't understand........
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Joined: Tue Mar 23, 2004 6:17 pm
Location: Melbourne

Post by Big Red Toy »

what's involved with this kit compared to just a replacement of points like mine??? as water still affect's mine do to the dizzy cap & rotor button still playing a roll
Style Side Maverick Ute
4.2 Turbo Diesel
35" Simex
4" Procomp suspension
2" Bodylift
Fibreglass Stuff....
Now highmount & Plasma :d
Posts: 1619
Joined: Wed Dec 24, 2003 11:26 pm
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Post by Rainbow Warrior »

If you have good leads & cap, water doesn't worry the ignition with points, try hosing it while running to find the sensitive spot.

Anyway I am running a high energy coil which should be able to blast through moisture better, haven't hit it with the hose yet, but my Landrover became waterproof by fitting a Commodore Holden 6cyl HEI system to the 186.

Fitting involves removing the option for an easy change back to points, so fitting it to a spare dizzy is the safe way to go. You could easily install it without removing the dizzy from the engine which is the way the kit details it. I found an $8 bearing in the bottom that was stuffed and replaced it. The baseplate is easily removed and also actually a bearing with a bearing race around the bottom edge, but doesn't do much work, so I just cleaned it with petrol & regreased, I also blunted 2 drill bits trying to drill mounting holes in it, I ended up drilling out the points mounting plate rivets, removing that plate from the bearing and using one of those holes.

You then use the brackets supplied and a 1/8" bolt to fix the sensor to the plate so it lines up with a universal 6 slotted disc that mounts on the dizzy shaft lobes, I stuffed the clip inside mine pulling it off so ended up using silastic to keep it on the shaft, I would probably recommend locktite or plastibond just to be sure as it's not a great fit. You have to line up the sensor with the rotor and one of the dizzy leads on the cap, the kit says No1 but I used No6 because the vacumn advance rod was in the way.

The ignition unit is basically plug in to the dizzy, it only has 3 other wires, one to the 12v ignition supply & positve side of the coil, one to ground/chassis, and one to the - side of the coil and tacho.
The ballast resistor is removed. It has a diagnostic LED on the side of the ignition unit that you can see light up as you turn the dizzy around by hand.

I set the timing by the "drive down the road see if it pings and play with it" method, might get a timing light on it this weekend.

I installed the ignition unit and coil inside a plastic box screwed to the guard next to the coolant overflow bottle, pat pending Team Sh*tter Waterproof Ignition by Tupperware :D
Pat,
Brisbane, Australia,
JK 4door Rubicon, currently 4 Sale :(
It's a Jeep thing, I don't understand........
Posts: 2056
Joined: Tue Mar 23, 2004 6:17 pm
Location: Melbourne

Post by Big Red Toy »

doesn't really sound any different to mine, mine only cost $365 installed, then i added a high energy coil.
i've shown you mine now can you show me yours :D
Style Side Maverick Ute
4.2 Turbo Diesel
35" Simex
4" Procomp suspension
2" Bodylift
Fibreglass Stuff....
Now highmount & Plasma :d
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Location: Melbourne

Post by bazzle »

I ran a Piranha system on a 4.2 for 6 yeaqrs with no probs, ran under water too until HV broke down.

Bigredmav
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Joined: Wed Dec 24, 2003 11:26 pm
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Post by Rainbow Warrior »

That picture looks like the inside of my other dizzy :-)

I'm not knocking the Pihrana system, it was still working, and is still mounted with it's coil in the engine bay, dizzy is in the boot. It just had a funny miss every now and then. The miss started happening after the main unit suffered a lot of splashing muddy water in a gymkana with no tupperware box fitted. I was also not real happy with it over 5000rpm :cry:

Value for money Pihrana is great, I just wanted more :)
Pat,
Brisbane, Australia,
JK 4door Rubicon, currently 4 Sale :(
It's a Jeep thing, I don't understand........
Posts: 80
Joined: Mon Feb 23, 2004 10:01 pm
Location: Brisbane

Re: Electronic Ignition for TB42

Post by 5upaMav »

Rainbow Warrior wrote:...it now spins miss free at 6500rpm :-)

Fark! I didn't know the TBs revved that high! I was amazed to see the pics on your web site . . . almost drowning your norkle-less petrol motor in the Pig Pen. Whoever said petrol motors didn't work under water obviously hasn't seen those pics!!! :shock:
Posts: 1619
Joined: Wed Dec 24, 2003 11:26 pm
Location: Brisbane, Australia

Re: Electronic Ignition for TB42

Post by Rainbow Warrior »

5upaMav wrote:
Rainbow Warrior wrote:...it now spins miss free at 6500rpm :-)

Fark! I didn't know the TBs revved that high! I was amazed to see the pics on your web site . . . almost drowning your norkle-less petrol motor in the Pig Pen. Whoever said petrol motors didn't work under water obviously hasn't seen those pics!!! :shock:


That was with points still.
Nah it wasn't that deep, I've also got a splash plate under the front of the motor to keep the muck out, probably stuffed if it stays under water but I can pressure clean the motor without missing a beat.
Pat,
Brisbane, Australia,
JK 4door Rubicon, currently 4 Sale :(
It's a Jeep thing, I don't understand........
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