86subaru Posted June 4, 2005 Share Posted June 4, 2005 it is on my 84 d/r brat with a weber , i put on acell coil regaped plugs , set timing at .8 check all vacuum hoses , any suggestions ,it ran fine with a regular coil ,but wanted a better coil Quote Link to comment Share on other sites More sharing options...
SuBrat84 Posted June 4, 2005 Share Posted June 4, 2005 Sounds kinda like you need to advance the timing a couple degrees? But dont trust me on it. Quote Link to comment Share on other sites More sharing options...
86subaru Posted June 4, 2005 Author Share Posted June 4, 2005 set timing up to .15 still same problem , when setting timing is there a vacuum line that has to be removed and then put back on when timing is set ? Quote Link to comment Share on other sites More sharing options...
SuBrat84 Posted June 4, 2005 Share Posted June 4, 2005 yeah it runs from your disty to some weird looking spaceship doohicky... you pop one end of that hose off.. plug both holes? or at least make sure the spaceship thingy isn't getting air... but I plug both when I do it. Quote Link to comment Share on other sites More sharing options...
86subaru Posted June 4, 2005 Author Share Posted June 4, 2005 ok, will do , also could i have mixed up the wires on the coil ? but it will idle just fine ? Quote Link to comment Share on other sites More sharing options...
SuBrat84 Posted June 4, 2005 Share Posted June 4, 2005 that's possible. if you put the wrong length of wire going to the wrong plug. In my brat I put: 3) Shorter.. 4) Longest 1) Shortest. 2) Longer <--- Motor ...........1 .........3 - 4 <--- Disty ...........2 I hope my "Ascii" skillz come out good And I hope it's understandable! Quote Link to comment Share on other sites More sharing options...
NorthWet Posted June 4, 2005 Share Posted June 4, 2005 Timing alone (if just a few degrees off) shouldn't really give you backfire. Having a couple of spark plug wires switched can/will. When does it backfire? Did the idle speed/quality change after your work? Did you change anything in the ignition secondary other than just regapping the plugs? As far as vacuum lines and timing, I haven't had to deal with this for awhile, and I don't have an 84 EA81 to check. Typically, the distributor has one or 2 vaccum hoses going to it. If one, that is the vac-advance; if two, then one is advance and one is retard. Disconnect both, plug both just to be sure, and set your timing. Or you could always RT*M... assuming you have a manual. Seriously, though, the backfire is probably not related to a slightly misset ignition timing. More situational info would help. Don't make me come there just to test drive your Brat! (hhhmmm....) Quote Link to comment Share on other sites More sharing options...
86subaru Posted June 4, 2005 Author Share Posted June 4, 2005 it will back fire after it warms up and winding up the gears ,like between 2-3 gear , but just a week before it ran fine , i took 1 plug wire off at a time to regap the plugs , tomorrow i will recheck and close off vac lines when setting timing , :-\ Quote Link to comment Share on other sites More sharing options...
RavenTBK Posted June 22, 2005 Share Posted June 22, 2005 Having some random thoughts of my own about timing and found this thread from a few weeks back. Ever get it fixed 86? Quote Link to comment Share on other sites More sharing options...
86subaru Posted June 23, 2005 Author Share Posted June 23, 2005 no doing outside house work , will look at it monday - tuesday 27th -28th, i did notice that one of the steel ends are not hooked up ,close to the dist Quote Link to comment Share on other sites More sharing options...
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