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sealing a dizzy??? best ways???
Posted: Sun Feb 20, 2005 7:38 pm
by shorty.mqute
gday fellaas, got a hilux with a 253, just wonderin how others seal there dizzies from water invasion etc??? i heard you can use a rubber glove with the spark leads comin out the fingers??? but gotta be an neater looking way to do this???? not fuel injection, though too much bucks
cheers batesy
Posted: Sun Feb 20, 2005 8:14 pm
by ToyTruck
make sure all parts are REALLY clean ie rotor button and the contacts in the cap then find the vent hole if your lucky you will be abled to extend a breather to it then seal the cap on with silastic / silicone....... water usually gets in cause the dizzy is so hot that when the water hits it , it cools down and sucks air (and water) in ............... (hot air expands cool air contracts sorta thing)
you need to keep a vent or when the dizzy heats up it just forces out past the silastic / silicone
Posted: Sun Feb 20, 2005 8:21 pm
by shorty.mqute
mate that sounds the go....
anyone else got any bright ideas???
cheers
Posted: Mon Feb 21, 2005 12:16 am
by Mytqik
Jaycar do a kit to replace the dizzy altogether.
Involves using double ended coil packs & modifying the dizzy, so that it only has a sensor on the inside to let the "black box" know where the engine is in it cycle.
Haven't tried it, but always wanted to. It allows for programming exact timing & different advance/retard for different rpms.
Also you have a much fatter/brighter spark as each coil only feeds 2 spark plugs, not the 8 that you would currently have.
Dont think it would be all that expensive if you used 2nd hand parts.
Posted: Mon Feb 21, 2005 1:15 am
by adam.s
It's about $70 for the jaycar kit including the hall effect sensor (what replaces the points)
Posted: Mon Feb 21, 2005 9:56 am
by nismo_simo
Use a thermostat sealing agent, as with the heat increase, it won't break the seal - in fact make it stronger.
Posted: Mon Feb 21, 2005 2:20 pm
by bruiser
Has anyone tried the jaycar kit.
Is this setup going to be anymore water tight than the standard?
Posted: Mon Feb 21, 2005 2:30 pm
by Leithfield
Pressurise it - 2 to 3PSI and water ingress will be a thing of the past.
Posted: Mon Feb 21, 2005 2:44 pm
by Mytqik
bruiser wrote:Has anyone tried the jaycar kit.
Is this setup going to be anymore water tight than the standard?
The Jaycar kit would have to be more water tight than a standard setup. The black box can be mounted under the dash, no water there unless it is really dunked.
The coils have no moving parts & are sealed, so they can operate under water.
The only part that would be potentially subject to water is the hall effect sensor. As these work on magnetism, the water is unlikely to effect it. Also as the hall effect can be sealed inside the original dizzy housing, I cant see the water being a problem.
Posted: Tue Feb 22, 2005 5:17 pm
by shorty.mqute
cheers fellas thanks for the help, ill have a look at this jaycar kit, see how much work is involved
t6hanks guys...
Posted: Wed Feb 23, 2005 2:32 pm
by bruiser
let us know how you go shorty.
Posted: Thu Feb 24, 2005 3:06 pm
by Guy
I would not use silicone .. its to much of a PITA if you do need to take the cap off.
Use quality plug leads with good boots on em, make sure that they are pretty clean and not covered in oil and gunk
Around the boots and dizzy use some di-electric grease (silicone grease, does not conduct electricity) and stays permanently pliable.
Use it around the base of the dizzy cap as well, the vent hose is also a good idea ..