Split_Pin Posted July 11, 2013 Share Posted July 11, 2013 I was filling up the Corsa tonight and a Mercy Sprinter ice cream van next to me wouldn't start. It looked like a fuel it crank issue but the chap asked if I could jump start him. As I only had the Corsa with its wee battery I was worried that it wouldn't even tickle the 88amp one. Was I right? Anyhow, I didn't think the battery was at fault as the engine was cranking fast but not starting, so I gave him a push to the side of the forecourt. Was worried that I maybe could have jump started him after all? Link to comment Share on other sites More sharing options...
autofive Posted July 11, 2013 Share Posted July 11, 2013 nar, i jump started a sprinter with my tiny cortina battery (engine running) and everything was fine Link to comment Share on other sites More sharing options...
explosive-cabbage Posted July 11, 2013 Share Posted July 11, 2013 I jump started a 2.5TD Audi A4 Quattro with a Honda Jazz 1.4 pez auto.... Can be done Link to comment Share on other sites More sharing options...
CreepingJesus Posted July 11, 2013 Share Posted July 11, 2013 The two times I've needed the Volvo jump started, it's been off much smaller motors. The problems usually arise when you jump a big battery onto a small one, and even at that, only rarely. Link to comment Share on other sites More sharing options...
cms206 Posted July 11, 2013 Share Posted July 11, 2013 My record was a 12v Focus 1.6 auto jump starting a 24v 11.1 litre Leyland Leopard. It's all a case of how brave you are. And remembering to only connect to one of the two batteries in that case. davidfowler2000 1 Link to comment Share on other sites More sharing options...
Split_Pin Posted July 11, 2013 Author Share Posted July 11, 2013 Och well, he still wouldn't have been going anywhere, but good to know starting a Leopard with a jump from a car, thats brave! Link to comment Share on other sites More sharing options...
Vanny Posted July 11, 2013 Share Posted July 11, 2013 The trick generally is never to go battery to battery on the return/ground/negative/black cable. You open yourself up to BIG problems, where as, if you go flat battery to big lump of metal (engine mount, starter mount, chunky bit of gear box) you add a bit of resistance, saving your battery. I suspect on newer cars there is more chance of killing something electrical, but this is Autoshite so not to worry. Oh and don't try to jump start to or from a car with stop start/eco stop. If it's got a a belt ISG (starter and alternator in one, ish) you'll blow it up! Got an epic battery in the work car, but cant jump anything with it Barry Cade 1 Link to comment Share on other sites More sharing options...
Spiny Norman Posted July 11, 2013 Share Posted July 11, 2013 I've stared a 4.0 V8 Jag off a 1.0 Corsa before, from cold. Link to comment Share on other sites More sharing options...
Split_Pin Posted July 12, 2013 Author Share Posted July 12, 2013 ^^ Hope the poor ice cream man isn't reading this. He'll be cursing the clueless bellend in the Corsa that was me! Link to comment Share on other sites More sharing options...
jonny69 Posted July 12, 2013 Share Posted July 12, 2013 I've started an Aston Martion Vantage in a petrol forecourt and a big-block Willys at a hotrod show off the piddly battery in my Anglia. The bigger the car, the better it feels Link to comment Share on other sites More sharing options...
castros_bro Posted July 12, 2013 Share Posted July 12, 2013 'Tis not the battery capacity 88Ah vs 56Ah issue but a cranking current issue, if both are the same cranking spec (say 400 amp)Â and yer icecream motor needs 350 amp to spin it's cornets then a smaller capacity battery will do fewer times before runnning out of mivvies. Link to comment Share on other sites More sharing options...
brickwall Posted July 12, 2013 Share Posted July 12, 2013 Micra ----> Rangie Link to comment Share on other sites More sharing options...
Split_Pin Posted July 12, 2013 Author Share Posted July 12, 2013 Oops, think I've sparked off another of 'those' threads about fixing a bigger thing with a smaller thing. davidfowler2000 1 Link to comment Share on other sites More sharing options...
Rocket88 Posted July 12, 2013 Share Posted July 12, 2013 It's got much more to do with the quality of your jump leads. if you're using a pair of the crap that you'd buy from Argos, all you'll get is a burning smell and a spot of light sizzling............ Link to comment Share on other sites More sharing options...
brickwall Posted July 12, 2013 Share Posted July 12, 2013 ^this. And connect the black out to the body or engine not teh negative Link to comment Share on other sites More sharing options...
Rocket88 Posted July 12, 2013 Share Posted July 12, 2013 i remember trying to start my 351 Ford Galaxy with my mate's mother's Herald. Smell of burning followed by melting of crap jump leads. She wasn't best pleased............ Link to comment Share on other sites More sharing options...
M'coli Posted July 14, 2013 Share Posted July 14, 2013 I jump started my boss's SD1 v8 with my Fiat 126 in 1992, I should have held out for a payrise but got f-all instead. Rocket88 1 Link to comment Share on other sites More sharing options...
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