gavingraysonr300 Posted February 9, 2019 Share Posted February 9, 2019 Hi all ive not been using my car for about 4 months thought i would go today and give it a turn over the battery has been on a trickle charger and it read on the charger it was in good health but it wouldnt turn it over so presume this will be a new battery. As it is a racing battery do i need the same or is there an alternative for my car ? Also would like to know whats the best thing to do about the fuel in the car when leaving it for so many months, full tank, empty tank use a additive not sure. Link to comment Share on other sites More sharing options...
ScottR400D Posted February 10, 2019 Share Posted February 10, 2019 Fuel won’t degrade much in 4 months but I always leave mine 1/4-1/2 full so that I can top up as soon as it’s back out on the road. Link to comment Share on other sites More sharing options...
Roadsport06 Posted February 10, 2019 Share Posted February 10, 2019 There's no reason to run the engine, I will crank for pressure before starting when I get the car back out. I leave the fuel low and fill up with a 20 litre Jerry can before starting. What battery do you have? If it is a Li-ion then a standard conditioner is unlikely to do as the charged voltages are different compared to a lead battery. Is it a trickle charger or a conditioner as a trickle charger will likely cause the battery fluid to evaporate away at a faster rate. Link to comment Share on other sites More sharing options...
gavingraysonr300 Posted February 10, 2019 Author Share Posted February 10, 2019 The battery is a Powervamp 25 and been using a CTEK trickle charger on it I’m going to check voltages today on the battery and see if it starts now it’s been run for 40 mins yesterday. Seam to get mixed information on fuel I’ve read fill tank to stop condensation in the tank before storing. Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted February 10, 2019 Leadership Team Share Posted February 10, 2019 4 months isn’t storage, it’s a short break while the salt’s down. Just get the battery fully charged and start it, it’ll be fine. Stu. Link to comment Share on other sites More sharing options...
gavingraysonr300 Posted February 10, 2019 Author Share Posted February 10, 2019 It will probably be about 9 to 10 months in the end, I’ve had it on a CTEK trickle charger so thought it would be fully charged. Managed to jump start it just wondering if it’s the battery or the charger at fault. Link to comment Share on other sites More sharing options...
Leadership Team SLR No.77 Posted February 10, 2019 Leadership Team Share Posted February 10, 2019 I have the same battery and did have some issues previously using an Optimate, although I've never been sure whether historical issues were the battery or the starter motor, so probably nothing to do with the Optimate. However I now don't use the charger but remove my FIA cutout key when not using the car, with no load on the battery it seems capable of holding it's charge for many months, certainly 6+ doesn't seem a problem. I believe race batteries don't like parasitic loads though including the immobiliser, removing the cutout key removes all load from the battery.As regards fuel it's never been a problem, just start it and run it. Stu. Link to comment Share on other sites More sharing options...
ScottR400D Posted February 10, 2019 Share Posted February 10, 2019 I doubt water condensation in the tank will be an issue. There’ll be petrol vapour in there and little water. In any case it’s unlikely to harm the Alu tank and will be mixed in with fuel as soon as it starts splashing around. Link to comment Share on other sites More sharing options...
gavingraysonr300 Posted February 10, 2019 Author Share Posted February 10, 2019 Cheers Stuart i don't have a master shut off key on my car but could disconnect my battery. Link to comment Share on other sites More sharing options...
auyt Posted February 11, 2019 Share Posted February 11, 2019 It could be the battery terminals terminals but from what you have said it ran yesterday.as a friend found recently AGM batteries don’t die like lead acid, they will charge but not hold the charge and don’t have any cracking amps even when it reads 12v... bit confusing and very annoying.As for the fuel, if you are concerned there is a fuel stabiliser which stops the phase out, generally high octane fuel has shelf life of 3 months.If the storage it is going to be a long period, I would suggest an oil change, helps protect bearings from corrosion. The guys on F....I chat in the US have extensive discussions about winter lay-up. Link to comment Share on other sites More sharing options...
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