I ran into this recently when converting B900 from positive to negative earth. Additional minor issues were silencing of my turn indicator buzzer and the aux=illiary cooling fan running backwards. Both were corrected by rversing the wiring. Paul
From: Richard Jones <[email protected]> To: mogtalk2 <[email protected]> Sent: Friday, August 3, 2012 6:40 AM Subject: Re: [mogtalk2] Odyssey PC925 (28Ah) as recommended by this group Hi Tim The answer is yes and no if your battery is mounted on the nearside as mine is as it needs some mods. Ideally the battery needs to be mounted with the terminals fitting backwards as this means the battery just fits on the shelf as it is then close to the standard battery format but + - terminals are reversed if you have them on the upper of the battery face (which I preferred as I did not want the terminals sitting down in all the road spray). This requires a longer positve lead from the switch which I sourced from ECS (Electrical Car Services) online - they make up custom leads and the earth lead also needs the top 'p' clip removed to give some extra length I also used an alloy race battery bracket from Merlin Motorsport (a sleeve that fits over the battery) plus I added some additional padding underneath the battery to make it sit sqare as there is a lip on the back of the shelf. This meant I could reuse the original threaded holding down rods with a square tube drilled to fit and go over the top of the alloy bracket to hold everything in place. I did grind 2 half moons from the mount as I thought clearance was a bit close to the terminals and insulated with tape as well to make sure. There are some really elegant mounting kits for these batteries, but everyone I looked at seemed to be in the US. I was a bit disapointed when the battery arrived as it was recommended by this group and I hadn't checked which way around the terminals were - but now it is done I am happy. Oh don't forget you also need some round terminal studs as the battery comes as standard with threaded bosses. The + terminal is a bigger diameter than the negative and most batteries when ordering a new positive lead. If you are serious about doing this I can dig out some more details and take a picture. It certainly costs more - time will tell if it was worth the effort and extra cash. Richard M800RGN+8 From: "Carpenter, Tim" <[email protected]> To: mogtalk2 <[email protected]> Sent: Friday, 3 August 2012, 10:29 Subject: RE: [mogtalk2] Odyssey PC925 (28Ah) as recommended by this group Quick question, does the Odyssey battery fit in the over-the-axle location as on my 2000 Plus 8 ? Tim On Sat, Jun 30, 2012 at 7:47 AM, Richard Jones <[email protected]> wrote: Had a slightly odd one yesterday. > >Left Kent for Theale, Berks just around 5.15 am for a work appointment in >Theale, Berks - lovely blue skies. I had a full tank of Esso (95) from my >regular garage. Uneventful journey as far as Bracknell, few showers of rain >and heavy cloud cover, so had dipped beams on and wipers intermittently; >Friday traffic not that bad so cruised with the outside lane traffic which in >the +8 is around 3,000 rpm give or take. As I needed to get back home later >without stopping, I topped up the tank at the Shell garage on the A322 passing >through Bracknell, another regular stop (again 95 octane) and the headed out >of Bracknell on the A329M still overcast so had dipped beams on again (mix >gear work, accelerate, cruise, accelerate, cruise for about 5 miles) and >turned off onto the M4 towards Reading. I merged into the traffic and sat on >the inside lane for a while as traffic was heavy at around 65-70, then in 5th >geared accelerated to move into middle lane, but the engine fluffed and wouldn't accelerate. I eased off and car continued to cruise normally. I repeated this 3 times with same result and then at the next go it accelerated as normal. I then slowed and tried again and had the same problem 3-4 attempts and then it cleared again and I then ran on without any more problems and exited the M4 at Theale drove through the business park as normal and arrived at our offices. I left at 3pm and drive home in nice sunshine without any problems whatsoever apart from a few traffic holdups. > >Not sure where to look and if this was temprary, or signs of a problem >brewing. Don't really know if this is fuel or sparks related, or which sensors >may be involved, or some water/dirt in the fuel system . I had the fuel >related relays changed last year, fitted a new Odyssey PC925 (28Ah) as >recommended by this group for the last 800 miles (ammeter was shows a good >rate of charge (14 no load 13.5 with dipped beams and demister fan), It was >serviced back in May, so not sure where to go next. Its a '95 3.9 hotwire >with twin Librands exhausts, Tornado chip, K&N filter and the fuel pressure >runs a bit higher than standard as I have a remote fuel pressure valve fitted. >All these parts have been on for 2-3 years. Thinking back over the 4 years I >have had the car, very very occassionaly (I mean 2-3 times in 4 years) I have >had a very minor cough when accelerating under load, but this was a pronounced >wheeze in comparison. It felt more fuel related to me, maybe a MAF meter malfunction? > >Any thoughts? >Richard M800RGN+8 > > ConocoPhillips (U.K.) Limited (registered in England and Wales with company number 524868), ConocoPhillips Petroleum Company U.K. Limited (registered in England and Wales with company number 792712) and Burlington Resources (Irish Sea) Limited (registered in England and Wales with company number 3440053) each having its registered office at Portman House, 2 Portman Street, London W1H 6DU (each company being referred to as the “Company”) The information in this e-mail is confidential and for use by the addressee(s) only. Access to this email by anyone else is unauthorised. It may also be legally privileged. If you are not the intended recipient, please advise the sender of the error in transmission and delete the message from your computer. You may not copy or forward the e-mail or use it or disclose its contents to any other person. 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