Phantom FTS Electric Supercharger Owners Thread - Page 81 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

yamsta · 03-23-2017, 01:10 PM

I see it drop to 17.5 or so on a hard pull very briefly then goes straight back to 28.4-5 right away. The spurts of boost are shorter and shorter these days.

Quote:

Originally Posted by fenton

What is it dropping to? If it is 18 or below when you hit the throttle there is a issue with the dump pack connection or dump pack itself. Typically thats what it drops to if it is running off the alternator.

Thanks,

fenton · 03-23-2017, 01:12 PM

Quote:

Originally Posted by yamsta

I see it drop to 17.5 or so on a hard pull very briefly then goes straight back to 28.4-5 right away. The spurts of boost are shorter and shorter these days.

There is something definitely wrong with your dump pack or dump pack connection then. Check that all your fitting are tight and connected. If they are then test the batteries as recommended.

Are you using Odyssey's or powersonic? 2 years is pretty good length for the batteries considering the load we put them under.

Thanks,

yamsta · 03-23-2017, 01:35 PM

Ok I'll check that this weekend.

I'm running 2x Big Crank ETX16 Batteries for the dump pack. Is there a newer/better battery to run? If so, are the connectors the same?

Thanks.

Quote:

Originally Posted by fenton

There is something definitely wrong with your dump pack or dump pack connection then. Check that all your fitting are tight and connected. If they are then test the batteries as recommended.

Are you using Odyssey's or powersonic? 2 years is pretty good length for the batteries considering the load we put them under.

Thanks,

Sojhinn · 03-23-2017, 01:35 PM

Quote:

Originally Posted by yamsta

Ok I'll check that this weekend.

I'm running 2x Big Crank ETX16 Batteries for the dump pack. Is there a newer/better battery to run? If so, are the connectors the same?

Thanks.

You can use the Odyssey batteries instead of the etx16s if they are bad. And honestly you may like them more.

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yamsta · 03-23-2017, 03:15 PM

Quote:

Originally Posted by Sojhinn

You can use the Odyssey batteries instead of the etx16s if they are bad. And honestly you may like them more.

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You have links to the odyssey batteries? Are the connections the same?

Sojhinn · 03-23-2017, 03:25 PM

Quote:

Originally Posted by yamsta

You have links to the odyssey batteries? Are the connections the same?

Yup. PC 680 for the batteries. You may need a new copper bar for the dumps in series.

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yamsta · 03-23-2017, 03:34 PM

Quote:

Originally Posted by Sojhinn

Yup. PC 680 for the batteries. You may need a new copper bar for the dumps in series.

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Oh interesting, thats the battery I'm using as the starter battery. So are people using three of these batteries now? 1 for starter and 2 for dump pack?

Sojhinn · 03-23-2017, 03:34 PM

Quote:

Originally Posted by yamsta

Oh interesting, thats the battery I'm using as the starter battery. So are people using three of these batteries now? 1 for starter and 2 for dump pack?

Yup

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stevo585 · 03-24-2017, 09:03 PM

I have 1 PC680 and 2 big cranks only 1 year old 10k miles if anyone interested.

Sojhinn · 04-29-2017, 06:22 PM

Anyone want these? Pay for shipping and they are yours.

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godzuki · 05-01-2017, 12:49 AM

Quote:

Originally Posted by Sojhinn

The voltage will still read 28 volts with a single bad battery. If you are anywhere near San Diego I csn give you one of my extra batteries.

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btw, this is exactly the cause of the problem i was having. checked the charge of the dump batteries and one could not keep a charge over 11v. swapped them out for my original power sonic pack until i get my new odysseys in. also invested in a de-sulphering charger. obviously the copper plate between the two batteries was too short, used 10gauge copper electrical wire (single strand) bent to exact fit. works like a charm.

yamsta · 05-01-2017, 10:11 AM

Hey guys, I'm selling my car so I'm parting out my ESC and OFT if anyone interested:

http://www.ft86club.com/forums/showthread.php?t=118140

godzuki · 05-02-2017, 01:20 AM

watching sojhhin's latest install video (big thx btw) i noticed the dump pack was now grounded (sharing the main battery ground path). can anyone explain the benefit of doing that?

Sojhinn · 05-02-2017, 01:53 AM

Quote:

Originally Posted by godzuki

watching sojhhin's latest install video (big thx btw) i noticed the dump pack was now grounded (sharing the main battery ground path). can anyone explain the benefit of doing that?

Yup. Simpler wiring and Basically the whole car shares the same ground (0 voltage). Less chance for ground loops too.

And no problem!

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03-24-2017, 09:03 PM	#1129
stevo585 Senior Member Join Date: Feb 2014 Drives: White 2014 BRZ Location: Orlando, FL. Posts: 519 Thanks: 131 Thanked 155 Times in 109 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I have 1 PC680 and 2 big cranks only 1 year old 10k miles if anyone interested. __________________ JDL Turbo kit - Ecutek, HRI tuned.

04-29-2017, 06:22 PM	#1130
Sojhinn Lightning McQueen Driver Join Date: May 2012 Drives: Limited Red 6MT BRZ Location: San Diego Posts: 2,242 Thanks: 753 Thanked 1,167 Times in 644 Posts Mentioned: 77 Post(s) Tagged: 2 Thread(s)	Anyone want these? Pay for shipping and they are yours. Sent from my iPhone using Tapatalk __________________ Nicknamed Lightning by my Kids. Installed Mods: Phantom Electric Super Charger \| Open Flash Tune \| Perrin OP/ HFC Front pipe \| Invidia Q300 catback \| ST Suspension \| JDL Header \| Flex Fuel

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