pusherman Posted June 5, 2011 Share Posted June 5, 2011 just bought a new msd pro blaster ss coil. put it in my escort and now it barely runs. well it doesnt run and its blowing alot if gas out the exhaust and backfiring like fuck, why would this be? running points still for now Quote Link to comment Share on other sites More sharing options...
EFI_LC Posted June 5, 2011 Share Posted June 5, 2011 just bought a new msd pro blaster ss coil. put it in my escort and now it barely runs. well it doesnt run and its blowing alot if gas out the exhaust and backfiring like fuck, why would this be? running points still for now Checked the voltage? Quote Link to comment Share on other sites More sharing options...
Valiant Posted June 5, 2011 Share Posted June 5, 2011 Is it a Ballast resistor coil? Do you have a ballast resistor? Quote Link to comment Share on other sites More sharing options...
bubblegoose Posted June 5, 2011 Share Posted June 5, 2011 running a resistor on a non resistor type coil? sounds possible Quote Link to comment Share on other sites More sharing options...
pusherman Posted June 5, 2011 Author Share Posted June 5, 2011 ive still got the orig ballast resistor that was there, the instructions said to run a ballast resistor if using points could it be the wrong rating? Quote Link to comment Share on other sites More sharing options...
Valiant Posted June 5, 2011 Share Posted June 5, 2011 Have a look at the contacts on your points, are they all blue and butnt? Is the gap very wide? Quote Link to comment Share on other sites More sharing options...
Unclejake Posted June 6, 2011 Share Posted June 6, 2011 just bought a new msd pro blaster ss coil. put it in my escort and now it barely runs. well it doesnt run and its blowing alot if gas out the exhaust and backfiring like fuck, why would this be? running points still for now Did you take the spark plug leads off the dizzy cap when you changed the coil? Tell the rest of the story and we will work it out together Ben Quote Link to comment Share on other sites More sharing options...
pusherman Posted June 6, 2011 Author Share Posted June 6, 2011 havent changed the leads around at all they are all numberd to stop that kinda confusion (i learnt that the hard way) i pulled old coil out as it wasnt guna fit where i wanted it and was ugly and old. so extended the wiring to suit new possition, im a sparky by trade so know my way around a soldering iron and heatshrink. as i write this im thinking that would be a good place to give a check, it was running fine bar needing the carbs tuned. just seems weird. il go over my re routed wiring, if i drop the ballast resistor out to see if it makes a diff whats the chance of fu*kn the coil? Quote Link to comment Share on other sites More sharing options...
KKtrips Posted June 6, 2011 Share Posted June 6, 2011 Check the resistance of the coil between the 2 low tension terminals - if it is 1.5-1.8 ohms then that coil requires a ballast - if it is around 3-3.5 ohms you should nix the ballast and rewire the low tension wires appropriately.. Quote Link to comment Share on other sites More sharing options...
Shandangles Posted June 6, 2011 Share Posted June 6, 2011 pretty high that its fucked, i had 2 in a row fucked from ripco, took forever to figure it out Quote Link to comment Share on other sites More sharing options...
toyworld Posted June 6, 2011 Share Posted June 6, 2011 are you using a 0.8 ohm ballast resistor? Quote Link to comment Share on other sites More sharing options...
keltik Posted June 6, 2011 Share Posted June 6, 2011 If youve moved the coil - is the coil and bracket still earthed to the body? Quote Link to comment Share on other sites More sharing options...
Unclejake Posted June 6, 2011 Share Posted June 6, 2011 ^ It shouldn't need to be, should it? Quote Link to comment Share on other sites More sharing options...
Horse25 Posted June 6, 2011 Share Posted June 6, 2011 no shouldnt do, doesn't show it earthed in the manual wiring diagram Quote Link to comment Share on other sites More sharing options...
Valiant Posted June 6, 2011 Share Posted June 6, 2011 ^ It shouldn't need to be, should it? No it shouldn't, the coil earths through the points/condensor. Quote Link to comment Share on other sites More sharing options...
QCADTA Posted June 6, 2011 Share Posted June 6, 2011 are you using a 0.8 ohm ballast resistor? as already stated. have you done this? or have you measured the resistance of the original ballast resistor? Quote Link to comment Share on other sites More sharing options...
toyworld Posted June 7, 2011 Share Posted June 7, 2011 if its part no. is pn8207 then in the instructions it says in a misleading manner 2 use a .8 ohm resistor with points dissy, i have used the same coil with early transistor style setup & 6al so no need for resistor. anyway maybe ya factory resistor you have is too high and therefor current is to low to primary windings, just a thought? try swap ya old coil back in and make sure your tackling the right issue will take 2 minutes so worth a go Quote Link to comment Share on other sites More sharing options...
pusherman Posted June 7, 2011 Author Share Posted June 7, 2011 that sir is some logic right there. left my bloody meter at work today but il take a crack at it tonite. the msd blaster pro ss is the solid plastic job comes with rubber stand off mounts aswell so earthing the coil is not the deal. heading to garage now il post ore findings soon cheers lads Quote Link to comment Share on other sites More sharing options...
keltik Posted June 7, 2011 Share Posted June 7, 2011 Ah yup, seems it was only the old Lucas stuff and some other weirdos that needed to be earthed so disregard my bad advice. Wrong or broken ballast is heaps more likely Quote Link to comment Share on other sites More sharing options...
pusherman Posted June 7, 2011 Author Share Posted June 7, 2011 tryd old coil and it jumped into life and purred so i bypassed the ballast and hooked in new coil it went shortly and died sounded good tho. then followed by firing and dying firing and dying. pulled a plug out got no spark, checked points they have a reasonble pit on contacts. wont be sure what it is until i bring my multimeter home. everything seems tight and connected re-placed a blown fuse but it was listed as tail lamps or sunthing replaced it anyway. ill have another crack after work tomorow. Quote Link to comment Share on other sites More sharing options...
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