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Registered
Join Date: Feb 2001
Location: Newnan, GA USA
Posts: 42
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Battery Size/Type
I have a 77 911 w/2.7. What size battery (i.e. cold cranking amps) is best for my car? I am leaning toward the optima battery, but not sure which one.
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Mike Libbey 77 Targa |
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02-04-2002, 05:00 AM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Don't get Optima deep cycle on a street/track 911. Need a mounting bracket. I needed new ground cable. I believe there are better and smaller ones out there.
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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02-04-2002, 05:23 AM
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Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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The battery of choice at least among SC owners seems to be the Interstate, in no small part because of their excellent guarantee, which is an advantage to owners who, say, store their car for the winter and don't do their battery any good by deep-cycling it.
Stephan
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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02-04-2002, 05:26 AM
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Join Date: Feb 2001
Location: Newnan, GA USA
Posts: 42
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If interstate is a good brand which model is prefered? Again, how many cold cranking amps is enough?
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Mike Libbey 77 Targa |
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02-04-2002, 07:51 AM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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I would get the minimum CCA necessary. The lower the CCA the thicker the battery internal plates. Interstate does have a big following.
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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02-04-2002, 09:18 AM
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Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,551
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I've been quite happy with Optoma in our Detroit rigs. The mounting tray in my wife's '99 Ranger was too small for a standard optima. We discovered that Optima makes a smaller model, designed to fit Corvette. It fit her Ranger well. If you'd like to check it out, it has 720CCA, and is model #75/35-926.
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02-04-2002, 09:47 AM
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