Optima Red Top battery
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Intermediate
Joined: Feb 2004
Posts: 47
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From: Howell NJ
Optima Red Top battery
I need to replace the battery in my '03 coupe. There are 2 different Optima Red Top Batteries: 75/35 and 34/78. Will either fit and do I need any height adapters? Are these the same as Exide Orbital batteries? What is everyone using?
Burning Brakes
Joined: Nov 2004
Posts: 1,037
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From: Independence Missouri
St. Jude Donor '06
I believe you will find, including myself everyone using the 75/35. The other is alittle larger in size and requires a relatively expensive hold down to fit. In terms of the Exide, I looked at both and it will come down to a matter of taste. Warranty and product are about the same.
Melting Slicks
Joined: Jul 2004
Posts: 2,846
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From: Sandy Ego CA
I beg to differ, most guy's here is So Cal are running the 34/78, it's more powerful battery and it fits perfect, Optima sells a small hold down kit for $3.00 dollars that has four different types of hold downs, some of these kits come will even come with the battery depending on where you bought it, I got mine at Sears and it came with the hold down kit. In the kit is a hold down that has sort of a triangle shape that fits between the Optima cylinders and will bolt the battery down tight and there is no way it can move if your giving a road race coarse some thought.
Team Owner
Joined: May 2001
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From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Originally Posted by RoHo
I beg to differ, most guy's here is So Cal are running the 34/78, it's more powerful battery and it fits perfect, Optima sells a small hold down kit for $3.00 dollars that has four different types of hold downs, some of these kits come will even come with the battery depending on where you bought it, I got mine at Sears and it came with the hold down kit. In the kit is a hold down that has sort of a triangle shape that fits between the Optima cylinders and will bolt the battery down tight and there is no way it can move if your giving a road race coarse some thought.
Couldn't agree more. 
The 34/78 is the better choice of the two red tops. Battery hold down? No problem with the small plastic adapter you mentioned.
Drifting
Joined: Dec 2005
Posts: 1,720
Likes: 3
From: East Hampton CT
my 34/78 just died in my C5....no warning..just failed...replaced with a 75/35.
I talked to a few people and they recommended the Napa "spiral" battery over the Redtop but I had already purchased my 75/35. The NAPA is supposedly cheaper and more reliable.
I talked to a few people and they recommended the Napa "spiral" battery over the Redtop but I had already purchased my 75/35. The NAPA is supposedly cheaper and more reliable.
