Foxbody rear firewall - Page 2 - MustangForums.com

Notices
5.0L General Discussion This section is for non-tech specific information pertaining to 5.0L Mustangs.

Foxbody rear firewall

Reply

 
 
 
Old 03-28-2012, 10:28 PM
  #11  
projectresto83
M.A.D. Motorsports
 
projectresto83's Avatar
 
Join Date: Jul 2006
Location: Indiana
Posts: 8,012
Default

IDK if it would pass tech but I like my battery hold down free.99

projectresto83 is offline  
Reply With Quote
Old 03-29-2012, 12:35 AM
  #12  
5.0kid
5th Gear Member
 
5.0kid's Avatar
 
Join Date: Dec 2006
Location: The mitten
Posts: 2,525
Default

Originally Posted by UPRSharad View Post
Okay, you do just need a battery box. I have one like this in my hatchback without a firewall. It's been teched and passed, so no problems.

http://www.uprproducts.com/mustang-a...y-box-kit.html


One thing I want to mention though, is that I think (don't quote me on this, you should verify for yourself) that if you have a sealed battery like an Optima (that's what I'm running) you don't even need a sealed and vented battery box.

Had I known that before I bought my battery box, I would've used this one:

http://www.uprproducts.com/universal...ray-satin.html

For whatever reason, it seems like I'm in my battery box quite a bit... I wouldn't have to deal with the wing nuts on the battery box if I had an open battery tray like this one.

I guess it's just user preference, but there's my opinion on the topic.
NHRA rules state any battery located inside the passenger compartment be it sealed, AGM, Lithium etc. must be in a sealed box with a vent or behind a firewall separating it from the driver. NO UNSEALED BATTERY OF ANY KIND IN DRIVERS COMPARTMENT.

ELECTRICAL/CONTROL: 8
8.1 BATTERIES

All batteries must be securely mounted and may not be relocated into the driver or passenger compartments. Rear firewall of .024-inch (.6 mm) steel or .032-inch (.8 mm) aluminum (including package tray) required when battery is re-located in trunk. In lieu of rear firewall, battery may be located in a sealed .024-inch (.6 mm) or .032-inch (.8 mm) aluminum, or FIA accepted poly box. If sealed box is used in lieu of rear firewall, box may not be used to secure battery, and must be vented outside of body. Strapping tape prohibited. A maximum of two automobile batteries, or 150 pounds (68 kg) combined maximum weight (unless otherwise specified in Class Requirements) is permitted. Metal battery hold-down straps mandatory. Hold-down bolts must be minimum 3/8-inch (9.53 mm) if battery is relocated from stock and other than stock hold-downs are used ("J" hooks prohibited or must have open end welded shut.).

http://members.tccoa.com/392bird/nhrarules.htm

2010 amendment http://www.nhra.com/UserFiles/file/RULES_AMENDMENTS.pdf
ELECTRICAL: 8
BATTERY (12/18/09)
Maximum two batteries; total weight wet, fully charged, including battery box: 100
pounds. Trunk installation mandatory. See General Regulations 8:1.
5.0kid is offline  
Reply With Quote
Old 03-29-2012, 01:19 PM
  #13  
Redline5.0
1st Gear Member
Thread Starter
 
Redline5.0's Avatar
 
Join Date: May 2009
Location: Canada
Posts: 124
Default

I still havent gotten around to moving my battery.... Waitin for more parts to come in to mount my F***in' suspension. Ordered the firewall from Wolfe today - their frame connectors dont disappoint, so I expect awesomeness.
Redline5.0 is offline  
Reply With Quote
Old 03-29-2012, 03:59 PM
  #14  
UPRSharad
Sponsor
 
UPRSharad's Avatar
 
Join Date: Jul 2011
Location: FL
Posts: 2,568
Default

Originally Posted by 5.0kid View Post
NHRA rules state any battery located inside the passenger compartment be it sealed, AGM, Lithium etc. must be in a sealed box with a vent or behind a firewall separating it from the driver. NO UNSEALED BATTERY OF ANY KIND IN DRIVERS COMPARTMENT.

ELECTRICAL/CONTROL: 8
8.1 BATTERIES

All batteries must be securely mounted and may not be relocated into the driver or passenger compartments. Rear firewall of .024-inch (.6 mm) steel or .032-inch (.8 mm) aluminum (including package tray) required when battery is re-located in trunk. In lieu of rear firewall, battery may be located in a sealed .024-inch (.6 mm) or .032-inch (.8 mm) aluminum, or FIA accepted poly box. If sealed box is used in lieu of rear firewall, box may not be used to secure battery, and must be vented outside of body. Strapping tape prohibited. A maximum of two automobile batteries, or 150 pounds (68 kg) combined maximum weight (unless otherwise specified in Class Requirements) is permitted. Metal battery hold-down straps mandatory. Hold-down bolts must be minimum 3/8-inch (9.53 mm) if battery is relocated from stock and other than stock hold-downs are used ("J" hooks prohibited or must have open end welded shut.).

http://members.tccoa.com/392bird/nhrarules.htm

2010 amendment http://www.nhra.com/UserFiles/file/RULES_AMENDMENTS.pdf
ELECTRICAL: 8
BATTERY (12/18/09)
Maximum two batteries; total weight wet, fully charged, including battery box: 100
pounds. Trunk installation mandatory. See General Regulations 8:1.
Okay, so it sounds like I'm good with the battery box in my car with no firewall, but since Redline ordered a firewall, he could use the open battery mount *if* he wanted.




Originally Posted by Redline5.0 View Post
I still havent gotten around to moving my battery.... Waitin for more parts to come in to mount my F***in' suspension. Ordered the firewall from Wolfe today - their frame connectors dont disappoint, so I expect awesomeness.
I have Wolfe mini-tubs in my Fox. They're niiice!
UPRSharad is offline  
Reply With Quote
Old 03-30-2012, 11:27 AM
  #15  
Redline5.0
1st Gear Member
Thread Starter
 
Redline5.0's Avatar
 
Join Date: May 2009
Location: Canada
Posts: 124
Default

I think I might just pick up that battery hold down from UPR - thats cool! However - Im kinda pissed @ UPR, and if I keep ordering **** from them, I'm gonna take up permanent residence on the couch.....
Redline5.0 is offline  
Reply With Quote
Old 03-30-2012, 05:17 PM
  #16  
UPRSharad
Sponsor
 
UPRSharad's Avatar
 
Join Date: Jul 2011
Location: FL
Posts: 2,568
Default

Originally Posted by Redline5.0 View Post
I think I might just pick up that battery hold down from UPR - thats cool! However - Im kinda pissed @ UPR, and if I keep ordering **** from them, I'm gonna take up permanent residence on the couch.....
Hahaha!! Dude, I'm lucky I'm not sleeping on the couch myself. For what I spend on my '89 Mustang every month, I could be paying the loan on a 2012 Porsche 911 Turbo. I'm super lucky that my wife puts up with my crap!

Anyway, I already sent you the discount code, right? Are you ordering that billet Optima mount, or did you mean the aluminum box?
UPRSharad is offline  
Reply With Quote
Old 03-31-2012, 10:02 AM
  #17  
Redline5.0
1st Gear Member
Thread Starter
 
Redline5.0's Avatar
 
Join Date: May 2009
Location: Canada
Posts: 124
Default

If you had - where would I find it? Im STILL waiting to finish my suspension install......... And Im thinking the billet Optima hold down.
Redline5.0 is offline  
Reply With Quote
 
 
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
KingRando
2005-2014 Mustangs
22
10-01-2015 12:16 PM
wishinsky
2010-current S197 Appearance Section
1
09-21-2015 10:48 AM
fastbackford351
Classic Mustang General Discussion
2
09-12-2015 10:42 AM
cbird1177711
2005-2014 Mustangs
3
09-02-2015 09:51 PM


Thread Tools
Search this Thread
Quick Reply: Foxbody rear firewall


Advertising
Featured Sponsors
Vendor Directory

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.