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Old 12-10-2011, 09:09 AM   #1226
573
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The Odyssey PC680 is small, but can still start the car in freezing temperatures. It's a good choice if you daily drive your car in a colder climate. Weights ~15lbs, which is a good bit less than the stock one.
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Old 12-10-2011, 09:47 AM   #1227
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Quote:
Originally Posted by JDwhiteWRX View Post
Inspired by 68Cadillac I used a spot weld removal tool on my engine bay to shave off a few brackets I no longer use.



finished and painted


[/color]

looks clean how long did it take you paint and all?
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Old 12-10-2011, 10:04 AM   #1228
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Quote:
Originally Posted by 573

I say that in good humor because I used to legitimately post in this thread before I hit a deer in my WRX, totaling it.
The deer or the WRX?
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Old 12-10-2011, 10:11 AM   #1229
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For the past 5 years I've used the Odyssey PC545. Okay for warm climates if you willing to put up with the issues that come with running such a small battery. I would warn anyone from using this battery in a location that regularly gets below freezing 0C (32F). Also, leaving the interior light on over night will drain it. Taking it out and weighing on my bathroom scale that reads in 0.2 lb increments it's 11.0 lb (5.0 kg). Factory rates it at 12.6 lb(5.7kg). Looks like it's lost 1.6lb (0.7 kg) since I installed it.


I just switched out to the Odyssey PC625, yesterday. Weight on my bathroom scale that reads in 0.2 lb increments it's 13.2 lb (6.0 kg). Factory rates it at 13.2 lb (6.0 kg).

Why did I choose the PC625 over the PC680? Its has better Hot Cranking Amps(measured at 80F) and Marine Cranking Amps(measured at 32F). It also weighs 2.2 lb (1.0 kg) less. CCA is not a factor where I live. <------See side bar

Odyssey Battery Specs

Last edited by 68Cadillac; 12-10-2011 at 11:27 AM. Reason: *engrish be hard, yo
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Old 12-10-2011, 10:13 AM   #1230
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Quote:
Originally Posted by JDwhiteWRX View Post
Inspired by 68Cadillac...
Now you got me blushing. Go forth and weigh less!
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Old 12-10-2011, 10:38 AM   #1231
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Quote:
Originally Posted by trollarc View Post
The deer or the WRX?
Both.
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Old 12-10-2011, 10:45 AM   #1232
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go to aluminum piston return springs, muffler bearings and key off return lever. Carbon fibre oil filter and wiper blades are a must. Winter air vs summer air in the tires is weight savings. I also was told that using only 3/5 lugs will save rotating mass. You will make out really wel. Good luck. LOL.
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Old 12-10-2011, 11:08 AM   #1233
gtasti
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remove post made mistake
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Old 12-10-2011, 11:10 AM   #1234
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Quote:
Originally Posted by JDwhiteWRX View Post
Inspired by 68Cadillac I used a spot weld removal tool on my engine bay to shave off a few brackets I no longer use.



finished and painted


[/color]
where did you get the spot welder tool from
and what kinda wire did u use to relocate the battery
really like to do this mod
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Old 12-10-2011, 04:50 PM   #1235
u2_m4r1n3
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Quote:
Originally Posted by gtasti View Post
where did you get the spot welder tool from
and what kinda wire did u use to relocate the battery
really like to do this mod
Probably 0 to 1 gauge wire for the positive, or 2 to 3 gauge is you want to cut down on more weight... just need to be careful on the electronics you're running; and 6-8 for the neg (since it will be screwed down somewhere in the trunk).
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Old 12-10-2011, 06:00 PM   #1236
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Quote:
Originally Posted by u2_m4r1n3 View Post
Probably 0 to 1 gauge wire for the positive, or 2 to 3 gauge is you want to cut down on more weight... just need to be careful on the electronics you're running; and 6-8 for the neg (since it will be screwed down somewhere in the trunk).

aww ok thanks
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Old 12-11-2011, 12:01 AM   #1237
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Quote:
Originally Posted by Nick05sti View Post
What kind of "small" batteries do you guys use?
Odyssey PC680, works perfect.
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Old 12-11-2011, 12:13 AM   #1238
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Quote:
Originally Posted by DarkKnightBaku View Post
looks clean how long did it take you paint and all?
Whole job took about 2 hours, its not a super neat paint job but its no show car either. If you wanted to do show quality or even OEM finish it would take a lot longer, you would need to file down all the spot welds flat and possibly use some filler to get the bay smooth again before painting.

Quote:
Originally Posted by gtasti View Post
where did you get the spot welder tool from
and what kinda wire did u use to relocate the battery
really like to do this mod
I went to about 3 places to find it but they are on ebay if you're not in a hurry. The place I got it was a welding supplies and tool shop but no point mentioning where as I am in Australia.

Some details on my battery install http://forums.nasioc.com/forums/show...9&postcount=73
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Old 12-16-2011, 08:51 AM   #1239
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just installed an ACT streetlite flywheel to go with my standard diameter lightweight crank pulley set.

damn it's grumpy now. occasionally stalls when you dump the throttle, you need to be extremely proficient with a clutch, cold starts piss it off & take a half dozen cranks...

but no CEL and damn it's fast
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Old 12-16-2011, 11:09 AM   #1240
u2_m4r1n3
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You can always remove the charcoal canister. Depending on the vehicle, good for 5-10 lbs.

Just need to plug the line that goes to the gas tank with a 1-way filter/vent...
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Old 12-16-2011, 12:05 PM   #1241
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Quote:
Originally Posted by u2_m4r1n3 View Post
You can always remove the charcoal canister. Depending on the vehicle, good for 5-10 lbs.

Just need to plug the line that goes to the gas tank with a 1-way filter/vent...

can you explain this more I would love to remove it
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Old 12-16-2011, 02:09 PM   #1242
u2_m4r1n3
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Basically, it goes down like this.....

1) You find the charcoal canister.
2) Trace the lines that go the gas tank and to the engine (throttle body or intake tube, depends on vehicle)
3) Remove the canister.
4) Remove all the extra lines, except the one going to the gas tank, plug the hole in the throttle body or air intake.
5) Buy the 1-way air vent (
Amazon.com: Dorman 47149 Vacuum Check Valve: AutomotiveAmazon.com: Dorman 47149 Vacuum Check Valve: Automotive
), put that in the tube that connects to the gas tank.
6) Ensure the gas tank tube is out of the way and zip tied down somewhere.

Now you've lost some weight and took one more piece off the car that can break. Down side is, you vent gas fumes to the atmosphere. I've done a ton of research and a LOT of people do this; obviously as well as race cars/dedicated track cars.
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Old 12-16-2011, 06:22 PM   #1243
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I was honestly surprised how much the EVAP system weighed.
Quote:
Originally Posted by 68Cadillac View Post


EVAP system. Including everything but the hard line that runs over the top of the fuel tank. 4.080 kg! (8.995 lbm)
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Old 12-16-2011, 09:48 PM   #1244
u2_m4r1n3
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Thing looks heavy!
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Old 12-16-2011, 10:14 PM   #1245
subieslide
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Default 10lbs quick!

ex-lax
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Old 12-16-2011, 11:02 PM   #1246
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Not if you have an athletic body and low body fat

10 lbs off the car is a permanent 10 lbs off the car (unless you put it back on).
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Old 12-17-2011, 06:16 AM   #1247
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Quote:
Originally Posted by 68Cadillac View Post
I was honestly surprised how much the EVAP system weighed.
Is there any write-up you used to complete this? Definitely would like to get this done sometime soon!
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Old 12-17-2011, 11:01 AM   #1248
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Quote:
Originally Posted by Ethan_Drift View Post
Is there any write-up you used to complete this? Definitely would like to get this done sometime soon!
Look at post #1242... should basically be the same for any car.
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Old 12-17-2011, 11:17 AM   #1249
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wow 41lbs for that evap

I might have to get that done some how

hey cadillac can you explain what u removed from under the hood part
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Old 12-17-2011, 04:31 PM   #1250
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Quote:
Originally Posted by gtasti View Post
wow 41lbs for that evap
Looks like you shifted a decimal and used the wrong unit. 4.080 kg. A kilogram is not a pound.
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