online tyres/ batteries

Submitted: Sunday, Apr 22, 2012 at 11:14
ThreadID: 95064 Views:3192 Replies:3 FollowUps:7
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gidday , wore out my rear tyres towing 2 ton van in 15 k, (symes run at correct pressure)quoted best part 2k for 265x70 bfg, ....!!! any online sites recomended, also what is the most reliable battery out there,its all happening at once, mine lasted 6months, slowly touring the Pilbra Patrol 4.2 d ute, Roadstar LE. cheers Bazz Karratha ex Gold Coast
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Reply By: Battery Value Pty Ltd - Sunday, Apr 22, 2012 at 12:07

Sunday, Apr 22, 2012 at 12:07
Hi,

what type of battery is it, and how is it being charged.
Also, where's the battery mounted, and what's the type of damage (low voltage, shorted cell, reduced capacity, physical damage...)

cheers, Peter
AnswerID: 483828

Follow Up By: bazz - Sunday, Apr 22, 2012 at 17:12

Sunday, Apr 22, 2012 at 17:12
Battery is "Relliable Batteries" MFN70ZZL
750CC6
160RC
N70ZZL $150
gold coastmounted normal 4.2 Patrol position. right hand front gaurd
battery not holding charge ,alternator fine
cost me $245 to replace with same type in Onslow


On the other side of Patrol had deep cycle Battery fitted late last year this is now bulging swelling due to motor heat I would say, the installer said it would handle it ,but it hasn't, is it dangerous, ie explode .
its a ZAP NPC 105 (12v 105ah) Cheers Bazz
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FollowupID: 759111

Follow Up By: Battery Value Pty Ltd - Sunday, Apr 22, 2012 at 18:23

Sunday, Apr 22, 2012 at 18:23
Bazz,

I can't comment on your starting battery.
Just maybe something for you to check - what's the alternator charging voltage?
You can measure this voltage across the starting battery a few minutes after starting during fast idle.

And the bulging of your other battery usually means it's been murdered by incorrectly mounting it, and by excessive charging currents.
The installer/seller of this battery obviously belongs to the 99% crowd who's trying to make a quick buck by making wrong statements about the product.
No, it's not going to explode. Just take it to the recycling dump.

When installing another deep cycle battery as an aux, try to find a spot for it outside the bonnet.
And also ensure you get one which can stand the high charging current from the alternator.
For this, you can't go past AGM technology designed for stop/start car apps.

This battery combines the advantages of a spiral wound AGM battery, minus the complicated charging requirements, and minus the price tag.

cheers, Peter
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FollowupID: 759118

Follow Up By: bazz - Sunday, Apr 22, 2012 at 18:48

Sunday, Apr 22, 2012 at 18:48
thanx for the feedback,,
mechanic checked alternator voltage 14 .2 v,
battery is held in place by tjm tray,
the 2nd battery is wired in for van , still works ok and holds voltage , and is only bulged on the side facing the exhaust which is about 20 cm from exhaust heat shield also the deep cycle van batteries are fine, wouldn't they show sighns of over charging as well ie bulging as they are wired in to be charged whilst driving,
just out of interest could you describe incorrect mounting,
hindsight , battery should have been on tray. i'll keep AGM in mind thanx Barry
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FollowupID: 759122

Follow Up By: Battery Value Pty Ltd - Sunday, Apr 22, 2012 at 19:39

Sunday, Apr 22, 2012 at 19:39
pleasure Barry,

let me tell you this: long distance driving in warm/hot environments at this high an alternator voltage is a killer for EVERY battery which is mounted under the bonnet.
But it's quite possible that the regulator inside the alternator reduces the voltage when it gets hot.
You can test this by connecting a multimeter through the ciga socket during cruising, and with a bit of luck the voltage will come down to 13.6~13.8V.

My apologies for not being clear enough about the 'mounting' of the aux.
It's all about positioning it away from any heat source under the bonnet, best to not mount it under the bonnet at all.

Your 2nd battery would have suffered some loss of capacity by now, but you only will notice this as soon as its full capacity is required. A load test would reveal how much residual capacity is left in it.
Battery voltage is no indication for capacity loss in this scenario, because a battery can be almost fully dry and still show good voltage.

The batteries in the van aren't subject to the heat under the bonnet, thus they won't suffer gradual dry out to the same extent.

To keep these batteries healthy, occasionally connect them to a quality multistage charger which has a setting for 14.8V.

cheers, Peter

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FollowupID: 759130

Reply By: Member - DW Lennox Head(NSW) - Sunday, Apr 22, 2012 at 13:06

Sunday, Apr 22, 2012 at 13:06
Hi Bazz

I have bought 8 BFG tyres from Tyre Clearance Warehouse

They have been great to deal with and I saved $70/tyre on what I could get locally.

DW
AnswerID: 483830

Reply By: fisho64 - Sunday, Apr 22, 2012 at 13:26

Sunday, Apr 22, 2012 at 13:26
Tire rack in the US is one I believe. Never used them myself but I mate has and was very impressed.
AnswerID: 483832

Follow Up By: bazz - Sunday, Apr 22, 2012 at 17:33

Sunday, Apr 22, 2012 at 17:33
thanx just checked 180$ each , now for the freight cost ( and fitting)
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FollowupID: 759112

Follow Up By: Member - DW Lennox Head(NSW) - Sunday, Apr 22, 2012 at 18:11

Sunday, Apr 22, 2012 at 18:11
Bazz

You can fit them as you are a traveler! The freight was reasonable. I did mine and had them balanced locally for $10 each. Another quoted $25 each!

DW

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FollowupID: 759117

Follow Up By: bazz - Sunday, Apr 22, 2012 at 18:53

Sunday, Apr 22, 2012 at 18:53
Thanks for the follow up,i've never fitted tyres except on push/motor bikes, would be a good skill to learn i guess ,cost me 50$ to get the front 2 balanced here, cheers Barry
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FollowupID: 759126

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