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#15
by
92EcoDiesel Jetta
on 31 Dec, 2012 14:49
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I bought the group 93 850 CCA battery from Advance for around $70 with the discount but have not picked it up yet. Figuring such a good deal I can't go wrong. I am also suppose to be getting a coupon $50 off a $100 purchase as part of the deal.
I have a blue top Optima in my Jetta that's more than 10 years old (my guess about 14) and no problems with it. If the group 93 won't fit in the Caddy, it may fit the Jetta and I'll just swap them.
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#16
by
92EcoDiesel Jetta
on 31 Dec, 2012 14:51
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This is my battery setup in the old flat red bunny and the MK2. Same 1/0 cable, same battery, just a different car. The battery actually fits better in the old 84 than it does in the 86. I think the a/c was the difference. It pretty much equalizes the weight of the engine lol. With 1000CA I never had an issue with cranking speed even if I wanted to glow the plugs 3 times in 0F weather.
That's a frickin big battery! How do you have it mounted? Surely the stock mount does not fit.
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#17
by
92EcoDiesel Jetta
on 31 Dec, 2012 14:54
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You may want to research residual capacity and amp-hours as well as these are particularly important for a diesel. The glowplug cycle draws a lot of current and a gasser battery may not have enough CA after a GP cycle or two. One of the best batteries for an IDI would be an OEM ALH battery. It's large and has the Ah that virtually no aftermarket battery can match. Only downside is it's expensive (usually close to $200 but some dealers sell it as low as $108).
I wish batteries are specified and rated in amp hours since it will make comparison so much easier. AFAIK no battery mfgs does that in the US.
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#18
by
theman53
on 31 Dec, 2012 15:14
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On my MK2 I had the rubber bungie strap and the one edge without the battery hold down. I forget on the MK1 I think it fit in the holder and just stuck out the one side. It has been too long. The 1/0 cable doesnt' really like to flex much so it will hold the battery in postition pretty much if you can get it to push the battery against the car.
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#19
by
sgnimj96
on 01 Jan, 2013 05:14
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I bought the group 93 850 CCA battery from Advance for around $70 with the discount but have not picked it up yet. Figuring such a good deal I can't go wrong. I am also suppose to be getting a coupon $50 off a $100 purchase as part of the deal.
I have a blue top Optima in my Jetta that's more than 10 years old (my guess about 14) and no problems with it. If the group 93 won't fit in the Caddy, it may fit the Jetta and I'll just swap them.
That's a lot of battery for 70 bucks. I missed out on the deal, but mercedes battery is the same size and I have a optima battery that I bought off craigslist that I use on my computer UPS (beats buying the original little one). Maybe when Advanced has another promo like that I'll get one.
http://www.techbargains.com/vendor_detail.cfm/4240/Advance-Auto-Parts-coupon-code
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#20
by
fatmobile
on 02 Jan, 2013 01:13
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I'm wondering the same thing. 850 cca vs 650. nice power difference. The Group 93 battery is wider by about 4 inches http://www.rtpnet.org/teaa/bcigroup. I need to get a battery for a mk1 scirocco, unfortunately i don't have the car yet to measure if it will fit. Modify the battery tray i guess, would look something like this if you have the stock radiator:
What model VW is the pic below and what group # battery is it? Anyone else tried fitting a group 93 battery into a Caddy?
edit: My Caddy is not with me and I am trying to order the battery online before the deal ($40 off) expires today.
A group 93, like Interstate's MTP93, will barely fit in an '84 Rabbit if you run the wires underneath the battery tray instead of next to the battery.
The radiator is mounted different in an '84, probably an '83 too.
It moves the radiator farther from the battery.
Here's a pic of one in (pa)Tina:
I can't get the G93 to fit the MK2s.
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#21
by
sgnimj96
on 03 Jan, 2013 06:41
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There you have it. MK1!
I've got to go pick up a 81' scirocco (with a 1.6 n/a conversion), check it out, and drive it from Texas to Florida to get it home. I want a big battery just to have it. Rumor has it that it has a fuel issue, so the bigger battery might really come into play.
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#22
by
8v-of-fury
on 03 Jan, 2013 11:27
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#23
by
92EcoDiesel Jetta
on 05 Jan, 2013 12:34
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The Advance group 93 battery does not fit in the 81 Caddy! It hits the fan shroud. It can be made to fit if the battery mount is moved towards the fire wall. My battery mount is a bit on the rusty side. Looks like it is welded in also. Has anyone replaced the battery mount? What's the best way for a new mount?
Here's a pic of the 93 battery sitting at an angle and not seated in the mount (sitting on top of it).
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#24
by
fatmobile
on 06 Jan, 2013 02:01
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What's the other side of the shroud look like?
Is there a couple spacer mounts?
Maybe you could swap them to the driver's side and move the shroud over.
Maybe use an "S" clip instead of a "C" clip to mount it to the front.
Same size battery as the one I pictured in my '84.
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#25
by
8v-of-fury
on 06 Jan, 2013 02:06
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Why modify to fit a 93?? The group 34 fits with room to spare in an mk2.. it will still be spacious in an mk1.
875 CCA, and a small package.. Cannot beat the value.
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#26
by
92EcoDiesel Jetta
on 06 Jan, 2013 11:21
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#27
by
bbob203
on 06 Jan, 2013 12:54
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I think i'm gonna pickup the autocraft gold 800cca 20% of today better than the 550 i have now on a cracked and leaking die hard piece of sh-i-t.
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#28
by
8v-of-fury
on 06 Jan, 2013 13:35
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#29
by
bbob203
on 06 Jan, 2013 14:07
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it pays to shop around. found a 1000ca 850cca at pep boys for 100 bucks group 34/78 I like having the dual terminal option on it. They also had a 20 dollars off 100 or more tempted to buy one for my passat for when i get the tdi in it.
00AWG baby! 
