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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Computer removal /cgi-bin/YaBB.pl?num=1439961218 Message started by azsavage91 on 08/18/15 at 22:13:38 |
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Title: Computer removal Post by azsavage91 on 08/18/15 at 22:13:38 Hey guys, I am new to the forum and have already gained so much knowledge from you guys. Here is my question. I got a crazy idea to remove the computer from my bike. I am not a fan of ecu's. Ask my 12v dodge hahah. My question is, has anybody already done this yet? As well as any leads on how to start this project. I will be taking alot of pictures and will document everything. Thank you guys. |
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Title: Re: Computer removal Post by verslagen1 on 08/18/15 at 22:19:16 WD has been threatening to do it from day 1. but it would not be an easy conversion. |
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Title: Re: Computer removal Post by gizzo on 08/19/15 at 00:15:59 Ummm, which computer is that? Surely there's only the ignition control module black box? There's no EFI, knock sensor or body control module to worry about. Not here, anyway. |
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Title: Re: Computer removal Post by Dave on 08/19/15 at 03:57:41 We have 2 items that could be called "computers". The ignition control module and the decompression controller. The ignition control module takes the signal from the trigger at the rotor and turns it into an electrical impulse to the coil for a spark to occur. I have no idea if a spark advance is built into it.....or if it has a rev limiter. Some have claimed that it is used on another bike that has rev limiter....but it is so high that our bike will never get there. In order to remove this you would have to come up with a way to mount a set of points, a cam to operate the points, and then a condenser and coil. Not sure what you would gain other than the ability to repair the system with "universal" parts if something would fail. The decompression controller does 2 things. When you push the starter button the first thing that happens is the decompression solenoid is activated, then the starter relay is energized, and after a revolution or two the decompression solenoid is released and the bike starts. This system can be eliminated if you go to a manual decompression lever. For instructions on how to remove this controller go to the RYCA website. |
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Title: Re: Computer removal Post by justin_o_guy2 on 08/19/15 at 05:32:09 WD hates electronic ignition so bad,, if that guy woke up in a hospital and found out he'd passed out, hit the ground and got hauled in and they hadda put a pacemaker in, I swear, he'd rip it out. |
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Title: Re: Computer removal Post by Serowbot on 08/19/15 at 06:33:56 In days of old,.. I've spent many an hour filing points on the side of the road... :-?... |
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Title: Re: Computer removal Post by Gary_in_NJ on 08/19/15 at 09:33:32 352E2735223533316D65540 wrote:
Preparing for an EMP attack I guess. An S40 wouldn't be my post apocalyptic vehicle of choice. |
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Title: Re: Computer removal Post by Ed L. on 08/19/15 at 10:57:57 Remember seeing the schematic of the ignition module once a while back. Always have been interested in finding out how to rework it and get a manual or custom preset spark advance. Just another one of those roundtoits that never came around. I would think the best spot for a regular points style ignition would be on the head running off the cam. Make it a single spark system instead of a double spark. Just pop the plastic plug off that covers the end of the cam and take it from there. Wouldn't be easy, even a retrofit off something else would be a lot of work. Thanks for another itch I can't scratch :D |
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Title: Re: Computer removal Post by verslagen1 on 08/19/15 at 11:51:45 there's a couple of bikes with what you're describing. With knowing that the chain stretch will affect cam timing by 1° per .010", I wonder if these bikes have an issue with it. |
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Title: Re: Computer removal Post by Dave on 08/19/15 at 12:51:11 574453524D4046444F10210 wrote:
Well you account for that when the timing is set. The points will wear out, the fiber block that contacts the lobe on the cam wears.....and you have to replace that set of points regularly. The stuff required maintenance to keep it running. That is why we got away from all that mechanical crap and went to electronic crap! :o |
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Title: Re: Computer removal Post by gizzo on 08/19/15 at 14:53:12 774C4156474B50564D454857240 wrote:
With respect, I feel you're arguing about that on principle. If you want them to be computers you might as well call the valve train a mechanical computer. Those devices perform one function, based on signals from somewhere else. They don't process data. They're just elaborate switches. But what do I care ::) Be interesting to see how the OP gets around the ignition control problem, anyway. Good luck. |
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Title: Re: Computer removal Post by Dave on 08/20/15 at 04:25:39 Well......I was just picking the 2 things that the original poster might be referring to as "computers" and could potentially be removed. And technically you are correct....our Ignition controller does not have a knock sensor or temperature sensor or anything that allows it to monitor the engine and make adjustments (compute). If it does have a spark advance built in, it reads the rpm and makes an adjustment based on an internal "program" without monitoring anything. Personally I believe our ignition system is far more reliable than the old points/condenser/coil system and I am keeping mine. I have removed the decompression controller as I didn't have room under my new tank for the solenoid. |
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Title: Re: Computer removal Post by Ed L. on 08/20/15 at 05:48:18 I'm with Dave on this one, remember when points ignitions were common for automobile engines. Still remembering retrofitting the older engines with pointless solid state distributors. It's the difference between "Old School" and "Old Fool" why make a bike less reliable. |
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Title: Re: Computer removal Post by Gary_in_NJ on 08/20/15 at 09:02:30 I can remember as a child in the 1960's and 1970's seeing broken down cars along the roads we traveled. In 1981 I owned a '69 Camaro that would leave me stranded if the roads were too wet - all due to the points getting wet. I'm not anti old school; I have a 1972 Datsun 240Z that I just love working on. Setting the points and sync'ing the carbs is a fun annual ritual. But there is a reason electronic ignitions completely replaced mechanical units in the span of about 3 years during the late '70's - They work. They work better and more reliably. Why kluge a system that will not perform as well as the system that isn't causing you problems right now? |
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Title: Re: Computer removal Post by justin_o_guy2 on 08/20/15 at 09:10:05 It's rare to see failure in the ignition module. Points and all the mechanical gizmology to make them work create failure points, weight, and certain maintenance. I wouldn't mind an old pickup, vent windows, kick panel vents, dizzy and points, but I can haul tools and stuff easy, access, EASY, and no stand to sink in the dirt, hood to work under if it's raining. Heck, I put the head on an old six banger Chevy pickup in the rain. Plenty of room under there with the hood almost shut. |
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Title: Re: Computer removal Post by gizzo on 08/20/15 at 16:20:40 Yup. When I used to drive old cars, an electronic ignition conversion was the first modification I'd make. forget that twin point dizzy guff. |
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