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small performance battery?
by
jwspin
on 07 Jul, 2009 09:13
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one of my buddies with a vr6 has this tiny little gel cell battery that fits almost anywhere, id like to move my battery so i can put a small startup diesel tank under the hood for my veggie kit. does anyone have any experience with the small performance batteries and diesels?
-jared
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#1
by
gigaz2
on 07 Jul, 2009 11:54
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there are no performance batteries, I started a 1.9 TDI with a 10Ah gel battery, and it cranked nice. (a few times)
for racing you try to get the most unnecessary weight out of the car, so, no ICE, no cold starts, no lighter..
as the performance of lead batteries (CCA) is affected by temperature, you can run a smaller bat in the summer.
only advantage is weight, its a modification only done after ICE is gone
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#2
by
jwspin
on 07 Jul, 2009 18:20
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i was refering to a performance battery as a small battery that has high CCA.
this is the one my buddy has,
http://www.usrallyteam.com/index.php?main_page=index&cPath=14_37if it will last and crank over my diesel year round then it may be worth looking into so that i can relocate the battery and it wont take up a lot of extra space.
-jared
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#3
by
gigaz2
on 08 Jul, 2009 07:37
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I was also want to relocate the battery, I was thinking reworking the entire electrical system so I could have two smaller batts
one in the front, really close to the starter but not on the stock position for starting
and another under the dash for powering the commodities(small ICE)
I also plan to use a smaller alternator and reduce power consumption altogether (less bulbs, replaced by leds, xenon bulbs (35w instead of 55))
this is case when "less is more"
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#4
by
8v-of-fury
on 08 Jul, 2009 07:52
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why not just locate a conventional battery to the trunk? It won't last or crank over your diesel all year round. The vr6 takes less then half the power to crank then a 1.6D does. There is NO WAY you will start a cold diesel with one of those tiny batteries.. after you have to crank and crank and add in GP's.
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#5
by
Turbinepowered
on 08 Jul, 2009 08:19
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I was also want to relocate the battery, I was thinking reworking the entire electrical system so I could have two smaller batts
one in the front, really close to the starter but not on the stock position for starting
and another under the dash for powering the commodities(small ICE)
I also plan to use a smaller alternator and reduce power consumption altogether (less bulbs, replaced by leds, xenon bulbs (35w instead of 55))
this is case when "less is more"
Just to clear something up for me, since I'm confused (not hard to do
), but what do you mean by "ICE" here?
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#6
by
8v-of-fury
on 08 Jul, 2009 08:20
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BLING. LOL Any power acc im assuming lol
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#7
by
gigaz2
on 08 Jul, 2009 08:33
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simple, its a compromise
over here we never see less than -2~3ºc
relocating a conventional battery to the trunk just adds weight, think about 4 meters of heavy gauge copper wire..
on a TDI it would be easier, as it needs less cranking power (lower compression) and virtually doesn't need glowplugs on these climates
on a normal car we need big batteries for commodity, so that the user doesn't have to know what a battery is, push button, it works period.
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#8
by
gigaz2
on 08 Jul, 2009 08:34
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In Car Entertainment
yes, BLING
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#9
by
8v-of-fury
on 08 Jul, 2009 08:36
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simple, its a compromise
over here we never see less than -2~3ºc
relocating a conventional battery to the trunk just adds weight, think about 4 meters of heavy gauge copper wire..
on a TDI it would be easier, as it needs less cranking power (lower compression) and virtually doesn't need glowplugs on these climates
on a normal car we need big batteries for commodity, so that the user doesn't have to know what a battery is, push button, it works period.
True True.. but the OP lives in New York. They get cold winters, and it isn't a TDI. That means long cranking and lots of GP glow time. A tiny battery such as that will simply not suffice...
p.s I have never heard it referred to as ICE... I like that lol
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#10
by
jwspin
on 08 Jul, 2009 09:25
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yeh i was thinking of moving the battery to the trunk but im also going to have a larger veggie tank in the rear and im trying to keep the weight down all around due to the extra liquids im going to be carrying. i originally posted because i didnt know if there were any small batteries out there that packed a big punch.
thanks for all the input
-jared
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#11
by
Rabbit on Roids
on 08 Jul, 2009 12:24
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has anyone ever tried a gas starter in a diesel? did they try starting a cold diesel with one? apparently not..
the gas starters are .7 hp, the diesel ones are 2.1 hp. thats 3 times the turning power... and probably pretty close to 3 times the amperage draw. why do you think powerjokes and cummins rigs have 2 batteries? they gotta have enough juice to get everything fired up.
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#12
by
rabbitman
on 08 Jul, 2009 15:29
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This is what the bentley says,
I used a gasser starter for a little while, the 77-84 books says the diesel one is 1.5hp and the gasser one is .7hp. It worked ok, I never had to use it in the real cold but I think it would've been noticably gutlesser at about 0F.
_________________
rabbitman and his rabbit
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#13
by
arb
on 09 Jul, 2009 08:54
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has anyone ever tried a gas starter in a diesel? did they try starting a cold diesel with one? apparently not..
the gas starters are .7 hp, the diesel ones are 2.1 hp. thats 3 times the turning power... and probably pretty close to 3 times the amperage draw. why do you think powerjokes and cummins rigs have 2 batteries? they gotta have enough juice to get everything fired up.
There was a thread here a short time ago.. the guy could not start is IDI... turned out the problem was slow cranking because he had a gasser started w/ 1/3 the required power.
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#14
by
Turbinepowered
on 09 Jul, 2009 08:58
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Having set VW gasser and diesel starters side by side... yeah, big difference. I've been stockpiling longitudinal diesel starters for a while now, and when the starter died on my gasser Quantum I popped a diesel starter in there instead.... big, big difference
The high compression atkinson engine I'll be building for it next will have that same diesel starter on it, simply for the increase in cranking speed and the low starter load.