Battery OEM Mazda or OPTIMA
Im running an optima redtop 1000 cca. Starts like a champ in -10 degree weather.
The other day I installed my Optima yellow top that was intended for my S10 into the GTI. Had to cram the battery cover top on a bit, but its on there! Funny now the car starts up alot faster. It always seemed like since I got this car it was slow to start, as if the battery was always low...
I upgraded to an Optima yellow top D35 in my GTI probably about six months go..no problems w/ it at all..the batter cover doesnt fit perfect, but you can make it work...i'm runnin bags with dual compressors and also a jl audio sub/amp system so i needed something with more power..which the yellow top has
I do have a Yellow top Optima battery in my VW Jetta MKV 2007 and I just had one problem a little time ago since one of the terminals needed to be tight again... but that's pretty much it, it works just fine.
I've had very good results with mine, and I just get whatever would fit a New Beetle TDI. NBs take a reverse terminal battery and it's nice and compact.
Although now I run an Optima Redtop that doesn't need to vent.
Yup, that's the one. The R is for reversed terminals to make it a more ideal fit for our application. Sadly I couldn't find one locally when I needed it so I got the 34/78. It works but isn't a perfect fit as it does require trimming to get the clips on the distribution block to snap back in.
Optima is not what it used to be. Total and utter crap.
Every optima battery I have seen in customer vehicles (I'm an auto tech) goes to crap in about 6 months to a year. I think these types of batteries are more sensitive to low voltages. They also don't hold up at all during the freezing winter months.
I had an optima in my garage queen, wasn't even hooked up most of the time(unhooked it till I wanted to drive/work on it). it died 2 years and one month later, with MAYBE 1000 miles on it, no replacement/etc. now it's a doorstop in my garage.
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