Biggest battery ?

4

468373rocket

Not-quite-so-new-guy
Nov 17, 2018
5
5
3
#1
What is the largest battery that will fit the stock battery tray ? My car was a V6 car so I already broke the plastic tab in the tray for a bigger battery. Also , are you using bigger cable ? I have #2 ga. also some 1/0.I don't know how big side post terminals will allow. Or go top post ? Winter project for 455 swap in spring.
 
pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
3,017
3,224
113
Shelocta, Pa
#2
For physical size a size 75 is the standard size, the size 78 is the optional bigger battery. I would go with either one with the CCA that would meet your cranking needs instead of physical size.
 
565bbchevy

565bbchevy

Geezer
Aug 8, 2011
5,763
4,714
113
Michigan
#3
I have #2 ga. also some 1/0.I don't know how big side post terminals will allow. Or go top post ?
I always make my own 1/0 battery cables and you can get 1/0 lugs with mounting holes as small as 1/4" .
 
ssn696

ssn696

Comic Book Super Hero
Supporting Member
Jul 19, 2009
3,280
2,040
113
New Mexico
#4
Take a look at the AGM (glass mat) battery. Optima is the best-known brand. I had one the G8 that was 9 years old and still cranked fine. You can often get a dual-terminal-style battery that gives you the option to use either (both) threaded or clamp cable ends.
 
CaliWagon83

CaliWagon83

Royal Smart Person
Supporting Member
Nov 12, 2017
1,512
1,353
113
Orange County, CA
#5
I picked up a top/side post battery. I have the positive on the top post, and the negative on the side post.
 

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