Date: Thu, 21 Oct 2004 07:37:19 -0400 From: KeithG <noonenospamay.com> Subject: Re: converting conventional points ignition to hall-effect in c900 - possible?
Do not know much about this on Saabs as all of the ones I have worked on have electronic ignition, but the big deal is getting a place to mount the hall effect sensor and shutter wheel. If you can find a Saab HE distributor that bolts up, go that way - It'll be easier. The Bosch system uses the distributor and an 'amplifier' to trigger the coil. The only question is if the system uses a resistor in line to the primary side or not. This should be well documented in a manual (Bentley or Haynes). Find one in a junkyard and get the whole system including the portions of the harness necessary. KeithG Craig Ian Dewick wrote: > Hi everyone, > > I'm looking at figuring out what's involved to replace the conventional > points ignition currently in my 1983 900S (8V, n/a, auto box) with > hall-effect breakerless ignition as featured in C900's imported into > Australia from 1985 and later. > > As far as I can tell, the main changes would be: > > - replacing the distributor or rebuilding it with retrofit hall-effect > sensor components, > > - replacing the coil if the breakerless ignitions require a coil with a > different resistance value, > > - installing either the Saab OEM (or 3rd-party) electronic ignition module > or a 3rd-party equivalent, > > - wiring it all together. > > I have not been able to find any source of parts to retrofit the existing > distributor in my car to become a hall-effect breakerless version, so using > one for a 1985 or later model of 8V engine might be the go. I'm also > researching where hall-effect components can be sourced from in case > something is available via a non-automotive supplier. > > The coil issue is pretty simple - either it needs to be replaced with one > that has a different resistance or it can be used as-is. Will determine that > as I go. > > The electronic ignition module will be interesting. Apart from the Saab (ie. > Bosch) one and it's 3rd-party copies, there are other ways to go here. I've > seen some commercial units that I found via some googling. Also, there are > projects for breakerless ignition systems which have been featured in > electronics hobby publications both here in Australia and in other > countries, but the big issue with any of this still comes back to dealing > with either replacing or retro-fitting the existing distributor. > > I'm a die-hard electronics enthusiast so constructing an electronic ignition > kit is no drama... As any example of something available locally in > Australia, check out the Jaycar Electronics kit # KC-5247 at this link: > > http://www1.jaycar.com.au/productView.asp?ID=KC5247&CATID=25&keywords=&SPECIAL=&form=CAT&ProdCodeOnly=&Keyword1=&Keyword2=&pageNumber=&priceMin=&priceMax=&SUBCATID=347 > > Being in Australia and supportive of our local electronics enthusiast > community, I would prefer to build one of those kits and install it in my > car in preference to buying a commercial solution, unless the commercial > solution comes with the parts to retro-fit the existing distributor and > these part aren't easily obtainable from any other source. 8-) > > Regards, > > Craig.
 |
 |
 |
 |
 |
