06-14-2011, 08:45 am
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| Corvette Enthusiast Join Date: Aug 2008 Location: Milford, CT Posts: 33
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|  Battery: 85 6 speed
I need to replace the battery in a 85 coupe 6 speed. What is the correct Delco replacement battery? Is it a 90 RC? Should I use the Delco Professional. It's a Wal-Mart in there now.
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06-14-2011, 09:21 am
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 Join Date: Nov 2006 Location: Ann Arbor, MI Posts: 640
Thanks: 28
Thanked 32 Times in 32 Posts
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Six-Speed in an '85? That's not stock.... 4+3 was the standard trans. My best advice is go with either a good Delco or Interstate battery and remember to throw a charge to it before driving after any prolonged sitting. | ||||||||||||||||||||
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1985 Z51 4+3 trans rebuilt 5.7 TPI,(.10 over) w/ CompCams 12-262-4, 52MM Throttlebody, underdrive pulleys, reworked heads, Hypertech Thermomaster chip, & cat back exhaust
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06-14-2011, 10:00 am
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| Corvette Enthusiast Join Date: Aug 2008 Location: Milford, CT Posts: 33
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I've got too many cars in the garage. Of course it's a 4+3. Thanks | ||||||||||||||||||||
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06-14-2011, 05:52 pm
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| GM World Class Certified Technician  Join Date: Nov 2006 Location: New Haven Ct Posts: 5,141
Thanks: 10
Thanked 511 Times in 498 Posts
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HI there, 75-6YR is the correct battery for your vehicle. Allthebest, c4c5 | ||||||||||||||||||||
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