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[davieboy0312]

Top of transmission inside or out al.

How about putting battery back drivers side at turret?

[05omegav6]

Inside... Told you the route in one of my first replies.
As for location, spare wheel well as per BMW/VXR8 would be ideal... As it needs to be between the chassis rails for crash protection. Obviously the Omega saloon spare wheel sits in the rear wing so that leaves middle of the boot, probably just behind the rear seat

[davieboy0312]

Thanks al. That's where its now going to live

[Nick W]

was thinking about in a black flexible conduit tubing along passenger chassis leg or is that a no-no? or up inside the tunnel clipped up so it doesn't come down?

Putting the battery there is asking for trouble... one carpark knock away from frying the car... centre of the boot is your only sensible option.

Do not run that down the side of the car... top of the transmision tunnel is your only option.

Both battery and cable need to be as far from any crash impact as possible.

You are overthinking this. Behind the OSR tailight is the stock battery location for 3 series BMWs and a lot of Jags.

Even the stock Omega location of behind the NSF headlight doesn't match your criteria.

Not that I would fit a battery in the boot unless there was nowhere else to put it.

[05omegav6]

Possibly...



Note the fact that the negative terminal is the one which is most vulnerable rather than the positive one... which sits over the inboard edge of the chassis rail.

Point is, cars which have batteries in the boot are designed for it

[Stallion]

Inside... Told you the route in one of my first replies.
As for location, spare wheel well as per BMW/VXR8 would be ideal... As it needs to be between the chassis rails for crash protection. Obviously the Omega saloon spare wheel sits in the rear wing so that leaves middle of the boot, probably just behind the rear seat

Thats where my 2nd battery is located  I thought that was my ideal only place, as the boot had no space.

[davieboy0312]

Don't think there is a safer place than in the middle against the back seat. I know it was designed to ne under the bonnet but its been evicted from there 

[05omegav6]

At least if the unexpected happens, you can demonstrate that some thought has been applied, not that the insurers will rush to pay out...

[davieboy0312]

Don't think any insurer rushes out to pay. More so in my case. 

[davieboy0312]

Would a 230amp cable be suffice for cranking power?

[05omegav6]

Would a 230amp cable be suffice for cranking power?

About a third of what the battery could supply

[davieboy0312]

What amp rating would be enough

[05omegav6]

What amp rating would be enough

Would have thought max cranking output of battery plus 10% would be prudent... don't forget you have made the starter supply about SIX times longer...

Of course, you could leave the battery in its original place and put a nice cherry red box over it

[Andy B]

.....

Of course, you could leave the battery in its original place and put a nice cherry red box over it

Great idea! 

[davieboy0312]

Couple of killjoys