That looks great Chris. So for the store bought parts store ones, do you cut a hole in the back side of the tray and bolt it there, then to the existing hold down bolt? Just had mine out and painted it, but it's a 1 bolt affair. Thanks, JC On Fri, Oct 21, 2011 at 8:14 AM, Robert Adams <elcam84@xxxxxxxxx> wrote: > > > In the trunk they usually want it in a battery box. That's a > nice bracket but I think one of the parts store two bolt with a strap across > the top would have sufficed for most inspectors. Also you can put the > battery on either side of the car. G-bods have the mounting holes for it on > both sides due to BOP engines and the el Camino came with a diesel and had > two batteries. Wish my elky had a diesel in it but would like a newer one. > > > Robert Adams > > > > > On Fri, Oct 21, 2011 at 7:20 AM, Chris Lindh <chris@xxxxxxxxxxxxxxxxx>wrote: > >> I'm going to try to make it to the drag strip tonight... >> >> Here is a message I've been trying to send but the photos were too big: >> >> Photos here: >> http://sites.google.com/site/grabanothergear/75battery.JPG >> http://sites.google.com/site/grabanothergear/75battery1.jpg >> http://sites.google.com/site/grabanothergear/75battery2.jpg >> http://sites.google.com/site/grabanothergear/75battery3.jpg >> http://sites.google.com/site/grabanothergear/75battery4.jpg >> http://sites.google.com/site/grabanothergear/75battery5.jpg >> >> I've been thinking about the battery hold down after our experience on the >> salt flats. In my '80 I used to have the battery mounted in a legal >> aluminum box in the area behind the seats, but it was a hassle and after >> reading the NHRA rules I'm not sure if it is legal since that area is not a >> trunk and has no firewall. >> >> So I installed a new battery tray a few years ago and with my 75/35 Optima >> the little triangular "puck" was holding the battery in fine, but I wanted a >> solution that would pass any tech without issue. So I bought a steel plasma >> cut battery bracket and bolted it to the original battery tray. (See >> attached, the photos showing it in bare steel are from the seller.) I >> considered not using the battery tray, but then the battery bracket would >> only be attached to the plastic inner fender. The battery tray bolts to 3 >> places: two on the fender and one on the core support. >> >> It was a bit of a kludge to make it work, I had to pound the lip on the >> battery tray that holds the battery on the opposite side of the hold down. >> Otherwise the battery bracket wouldn't sit flat. Then I mounted two 3/8" >> bolts to the battery tray (sticking up from the bottom), then tack welded >> them so they wouldn't move, since once you bolt the battery tray down you >> can't hold them from spinning. Then I bolted the bracket in. >> >> I can't find the NHRA rules about a battery in the stock location, >> although I've found one track that lists "All batteries must be securely >> mounted (no bungee cords, rope, wire, etc.)". The bracket comes with 1/4" >> holes; I opened them all up to 3/8" with a step bit. The NHRA rules say you >> have to use 3/8" studs when relocating a battery, so I'm thinking 3/8" bolts >> will be sufficient in this application. >> >> Hopefully have any issues with tech over a battery hold down - the battery >> isn't going anywhere. Total cost $35. >> > >