This is the battery I purchased, is it gonna be ok to start my car with every day? It says 220 CCA but the website has more information. http://www.odysseybatteries.com/battery/pc680.htm
You probably need around 70-80 amps to start. Maybe even less! If you dont believe me then get a boat battery 90 AMP deep cycle and try it ..it'll start. 1/0 or 2/0 battery cable to transfer the amps (heavy cable is very much needed to avoid amp loss. If youre runnin skinny stock cable (filaments I call em) people need a bigger battery.. Odyssey's are the best. New "thin plate technology" Made in USA, and they are superior to Optima AGM's which aren't as good as they used to be, now made in Mexico under bad quality control. I have both, both are good. The Odyssey's 5 sec, 10 sec, 20 sec ratings aren't B.S. either... so yes that rediculously tiny and light (!) battery WILL do the job of the bigger wet cell flooded.. it's a really cool advance in battery tech. IF you sit and listen to the radio though with engine off... get a bigger capacity. If starting is it's only job then fine. I use their PC2250 80 lbs to replace 160 lb AGM 8D batteries. The 80 lbder out performs them. PC2250's are the battery for M1 Abrahms Tank!
Just me, but I can't see spending double the amount for a battery that's no bigger in capacity than an ordinary car battery.
I've had ordinary batteries last almost that long (8 yrs) The original in my 95 E150 lasted 7, but it also came from the factory with a battery buddy.
That's a motorcycle battery, I wouldn't think it would be large enough, but I might be wrong. I usually try to get 500-600 CCA's, they seem to last longer and start better in any weather.
I bought a $225 Odyssey battery over 10 years ago (prolly $400 in todays' dollars) which lasted less than a year... Unless you're just looking to save weight, buy the cheapest Walmart battery you can find.
You only need 65 amps, if you needed more than 65 amps then a 65 amp alternator wouldn't be available. If you can get the engine to turn just enough to engage the alternator it will power the starter and fire the engine without a battery even being installed.
Say whaaattt??? You believe in perpetual motion as well??? Anyway it's going to require more than 65 amps to power one of the original direct drive starters, think at least 100A+... BTW my '69 428CJ Fairlane draws close to 200A cranking, and has a 42A alternator, wanna explain how that works??? BTW2 That battery is approx same size as in my portable jump box so yes will likely start a stock compression 302 but as mentioned it isn't going to have much reserve power, I'd never consider one...
The only thing the battery is for is energizing the starter, and helping supply a more consistent voltage to the accessories. You do not actually need a battery to start your car at all. The more amps the faster the starter cranks, but all you need is enough amps to get it to bump the alternator enough to provide the rest of the starting power. Then again I guess the stock alt peaks around 85 amps so maybe 70 is what it really takes. If I had that battery though, I would always park with my nose downhill just in case...
Dream on... At rest, any direct drive starter pulls close to 200A if not more till the engine is spinning, drop that load on even a 100A alt and watch it smoke... BTW I went out to the garage and put my inductive ammeter on my '88 T-Bird with a 5.0 and direct drive starter, pulled 125A plus while cranking...
