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Lexus Owners Club > Lexus Models > Lexus IS200 / Lexus IS300 Club > Modifications & Tuning
Mr Morse
Fitted an Apiro voltage stabilizer (silver colour box on left side of battery) and grounding cables at the weekend. I cut off the connectors and secured the cables directly into some new goldplated battery terminals.

Today was the first opportunity to take her for a burn.... :driving:

I know there is some debate as to performance gains from these mods, but I'll swear that the throttle response was quicker, especially above 3,500 revs. :P

There is definately an improvement in audio quality, even with the standard headunit - a crisper sound with more definition and clearer bass. :zee:

[img]http://www.lexusownersclub.co.uk/forum/uploads/1115923336/gallery_8450_122_52250.jpg[/img]
Zee007
May I ask what make of stablizer you opted for?
Ahmet
Did you end up buying the stabiliser kit Mike ? .........
Mr Morse
Both items came from

[url="http://www.gbdriver.co.uk/"]GBdriver[/url]

Vstab £75

Grounding cable kit £26

Free delivery in UK

@SF They sell all the grounding kit stuff (8 gage cable, gold plated connectors) at Maplin, but the crimping tool costs a whack so it was cheaper to buy the ready made kit
dano
hello guy's,

I hope I dont step on any toes,
these really do work but dont go buying those kits as I will do you a good deal on some great kits much cheaper than those. The ground kit is a good price but the voltage kit is expensive. Please let me know if I can help.

Mr Morse I see that you have connect two wires to the slam panel they will work better if wired to the following:
the alernator
the head
intake plenum.
These are a must to make the whole system work to its full potential.

hope that helps

regards

Daniel
Jiberjaber
Hmmmm I am fairly sceptical about this.

Does the unit come with instructions showing what is actualy in it?

Large capacitor and maybe some basic regulator circuit (large zenner prehaps?)

I was only able to google one instance of these being mentioned with any sort of context applied:

[url="http://motoring.asia1.com.sg/cgi-bin/motorbb/ultimatebb.cgi?ubb=get_topic;f=7;t=001990"]http://motoring.asia1.com.sg/cgi-bin/motor...ic;f=7;t=001990[/url]

Using the American spelling I get quite a few more hits:

Home made ones [url="http://khguan.fotopic.net/c436430.html"]http://khguan.fotopic.net/c436430.html[/url]

Build your own here:

[url="http://www.zerotohundred.com/newforums/showthread.php?t=2638&highlight=Stabilizer"]http://www.zerotohundred.com/newforums/sho...ight=Stabilizer[/url]
Anees
Sorry for the newbie question :blush:

Would this be a good thing to get if you were experiencing electrical noise?

Just thinking it maybe something to consider for the Car PC! :D
Jiberjaber
Are you thinking of electrical noise when you connect the audio from the incar PC to the amp etc or something else? If the former, an isolating transformer should solve your problem I would have though. Maplin used to do one which I have kicking around back in the Boro. Cant seem to find it on their web site but I am sure there is one out there somewhere on teh web :)


So anyone going to build a DIY vstab then (I reckon one could easily be knocked up for less than 20 quid).

I have have the components (if not all) sat back in the Boro if I can be bothered but I am not back there untill end of June atm....

Mike - you done any exhaustive testing of this then ?
Anees
[quote name='Jiberjaber' date='May 17 2005, 10:40 PM']Are you thinking of electrical noise when you connect the audio from the incar PC to the amp etc or something else?  If the former, an isolating transformer should solve your problem I would have though.  Maplin used to do one which I have kicking around back in the Boro.  Cant seem to find it on their web site but I am sure there is one out there somewhere on teh web :)


So anyone going to build a DIY vstab then (I reckon one could easily be knocked up for less than 20 quid).

I have have the components (if not all) sat back in the Boro if I can be bothered but I am not back there untill end of June atm....

Mike - you done any exhaustive testing of this then ?
[right][snapback]244672[/snapback][/right][/quote]

Well....noise as in the screen picture was abit fuzzy when the alternator was running.

I have solved this now - just grounded better. I was thinking more as a preventative thing (and it looks quite nice in the engine bay!) :D
legendswraith
[quote name='Mr Morse' date='May 17 2005, 05:48 PM']Fitted an Apiro voltage stabilizer (silver colour box on left side of battery) and grounding cables at the weekend. I cut off the connectors and secured the cables directly into some new goldplated battery terminals.

Today was the first opportunity to take her for a burn.... :driving:

I know there is some debate as to performance gains from these mods, but I'll swear that the throttle response was quicker, especially above 3,500 revs.  :P

There is definately an improvement in audio quality, even with the standard headunit - a crisper sound with more definition and clearer bass.  :zee:

[img]http://www.lexusownersclub.co.uk/forum/uploads/1115923336/gallery_8450_122_52250.jpg[/img]
[right][snapback]244534[/snapback][/right][/quote]

I didn't get the stabiliser but i did do the ground leads i looked out the actual grounding points the car uses onto the different points and ran onto those though i have noticed a more stabilised and lower idle but not much more my wires don't look as nicely routed as those though :crybaby: may have to have a reshuffle
Mr Morse
[quote name='Jiberjaber' date='May 17 2005, 10:40 PM']Mike - you done any exhaustive testing of this then ?
[right][snapback]244672[/snapback][/right][/quote]

No testing other than a "subjective" burn down the M42 yesterday. As Daniel suggests I think I'll pick up some additional cables from Maplin and connect up the head, induction and alternator and take it from there. Maybe it's time to get her on the dyno - was planning on waiting until I got the unrestiricted manifold & cat sorted out but this may take a few more months.
Mr Morse
Right then, three more grounding cables (in contrasting red!) attached to the head, alternator and the Typhoon. Followed by ECU reset.

Idling revs are immediately smoother! :hehe: Not that is was rough before, just now it is sooooo smooth

Haven't had chance to whack her open yet and see what it's like at the top end, but I anticipate improvements

Good tip Daniel!

[img]http://www.lexusownersclub.co.uk/forum/uploads/1115923336/gallery_8450_122_13834.jpg[/img]
jasestu
[quote name='Mr Morse' date='May 19 2005, 07:38 AM']Right then, three more grounding cables (in contrasting red!) attached to the head, alternator and the Typhoon. Followed by ECU reset.

Idling revs are immediately smoother!  :hehe:  Not that is was rough before, just now it is sooooo smooth

Haven't had chance to whack her open yet and see what it's like at the top end, but I anticipate improvements

[right][snapback]244998[/snapback][/right][/quote]

Wow, that much of an improvement? Really? I've been hearing that grounding kits are largely gimmicks, especially for newer cars. Older cars may be able to benefit, but only because the factory grounding points may be corroded.

Good that you've seen such dramatic results! Don't suppose there's a way you can confirm that your idle wouldn't have smoothed out solely as a result of the ECU reset? You wanna do a trial for us and remove the kit again to see if performance degrades? ;)
Mr Morse
It's purely my subjective opinion and at the moment I can't back it up with qualitative data - this will come when I have her dyno'd. But before I'd grounded the last three points there was more of a "rumble", now she just purrs.

I'll give her a good spanking on the way to JF on Saturday and give feedback as what it does to the top end :driving:

No - It'll be a pain in the arse to disconnect it all right now, may do this for the dyno though.

BTW my neighbour told me today he'd done the same with an Audi S3 and gotten the same positive results
dano
It is surprising the results you can get with these kits. The idea of the grounding os to ensure the alternator, injectors and spark plugs are working to there full potential.

Here are mine:
[url="http://img72.echo.cx/my.php?image=voltkit16hu.jpg"][img]http://img72.echo.cx/img72/1060/voltkit16hu.th.jpg[/img][/url]
Mr Singh
[quote name='dano' date='May 18 2005, 09:23 PM']It is surprising the results you can get with these kits. The idea of the grounding os to ensure the alternator, injectors and spark plugs are working to there full potential.

Here are mine:
[url="http://img72.echo.cx/my.php?image=voltkit16hu.jpg"][img]http://img72.echo.cx/img72/1060/voltkit16hu.th.jpg[/img][/url]
[right][snapback]245051[/snapback][/right][/quote]

Who makes that one?

I with Jasestu on this, however if i did a blind test and felt the difference i sure would be a believer.... till then physco acoustics?
dano
I import them,same technology just unbranded so loads cheaper. People are skeptical about these but then it new so thats understandable.

I dont know of anybody who has fitted these kits not notice a difference.

My idle used to fluctuate especially when cold but now sits rock steady, buddy club tested theirs on a new impreza and got 8bhp, my kits were tested on a civic type r by the manufacturer and showed 5bhp.
Mr Singh
Send me one and i will give you an honest review :)

Deal?
jasestu
[quote name='dano' date='May 19 2005, 11:21 AM']I import them,same technology just unbranded so loads cheaper. People are skeptical about these but then it new so thats understandable.

I dont know of anybody who has fitted these kits not notice a difference.

My idle used to fluctuate especially when cold but now sits rock steady, buddy club tested theirs on a new impreza and got 8bhp, my kits were tested on a civic type r by the manufacturer and showed 5bhp.
[right][snapback]245096[/snapback][/right][/quote]

"Technology"? Since the grounding kit is just wires I'm assuming the technology you refer to is the Voltage Stabilizer. What exactly is a voltage stabilizer? A resistor? A capacitor?

An empty box? ;)
Jiberjaber
[quote name='jasestu' date='May 19 2005, 05:08 AM'][quote name='dano' date='May 19 2005, 11:21 AM']I import them,same technology just unbranded so loads cheaper. People are skeptical about these but then it new so thats understandable.

I dont know of anybody who has fitted these kits not notice a difference.

My idle used to fluctuate especially when cold but now sits rock steady, buddy club tested theirs on a new impreza and got 8bhp, my kits were tested on a civic type r by the manufacturer and showed 5bhp.
[right][snapback]245096[/snapback][/right][/quote]

"Technology"? Since the grounding kit is just wires I'm assuming the technology you refer to is the Voltage Stabilizer. What exactly is a voltage stabilizer? A resistor? A capacitor?

An empty box? ;)
[right][snapback]245151[/snapback][/right]
[/quote]

Capacitors (see link above).
Jiberjaber
[quote name='dano' date='May 18 2005, 10:21 PM']I import them,same technology just unbranded so loads cheaper. People are skeptical about these but then it new so thats understandable.

I dont know of anybody who has fitted these kits not notice a difference.

My idle used to fluctuate especially when cold but now sits rock steady, buddy club tested theirs on a new impreza and got 8bhp, my kits were tested on a civic type r by the manufacturer and showed 5bhp.
[right][snapback]245096[/snapback][/right][/quote]

Dano,

Do you have a website we can look at ?
Mr Singh
[quote name='Jiberjaber' date='May 19 2005, 09:29 AM']Dano,

Do you have a website we can look at ?
[right][snapback]245178[/snapback][/right][/quote]



************** not an authorised trader
PhoneDrome
Testfile: [url="http://www.tprmag.com/issue/8/8_elec_stab.shtml"]LINK[/url]
Mr Morse
[quote name='PhoneDrome' date='May 19 2005, 09:52 AM']Testfile: [url="http://www.tprmag.com/issue/8/8_elec_stab.shtml"]LINK[/url]
[right][snapback]245186[/snapback][/right][/quote]

But they have not published the quantatative data :question:
PhoneDrome
Yes. now I see that too. You have to pay for the complete report. :(

But the description of how such a system works is not bad too.

But do I really need this. I drive a Lex.. it starts every morning and drives very nice.

What I know is that the automatics achieve a good improvement (noticable). But not the manuals.

You get lots of this boxes on ebay.com. Do a search for "voltage stabilizer". There you find this box "w/meter".
dano
post deleted
Ahmet
[quote name='dano' date='May 19 2005, 06:03 PM']My website is not up to date, all new info is with my web designer but getting him to do it can be a pain as he does it in his spare time.

if anyone wants details, pm me and i can email a leaflet to you.
[right][snapback]245424[/snapback][/right][/quote]
[quote][b]All unauthorised advertising or soliciting will be removed without explanation and without notice. This includes, but is not limited to;

* directing members to external websites.
* advertising in signatures.
* using a thread to indirectly advertise or praise a product (unless the post is a personal recommendation based on personal use).
* placing commercial hyperlinks over pictures.
* posting of referral, affiliate or any commission generating links.

Persistent unauthorised advertising or soliciting may result in a removal of your membership of LOC, on either a permanent or temporary basis[/b][/quote]

Dano, please do not advertise items for same via LOC, unless you are an authorised trader.

Regards,
dano
sorry, i have deleted the post
Pip
I have fitted one today and the car feels smoother throughout the rev range. It was a charging stabilizer from the states. Says TRD etched in the metal and not cheaply done either but its highly dubious that it is a genuine TRD product.
Anees
[quote name='Pip' post='355782' date='May 27 2006, 12:04 AM']I have fitted one today and the car feels smoother throughout the rev range. It was a charging stabilizer from the states. Says TRD etched in the metal and not cheaply done either but its highly dubious that it is a genuine TRD product.[/quote]

Any Pics? :D
legendswraith
[quote name='Anees' post='355802' date='May 27 2006, 10:45 AM'][quote name='Pip' post='355782' date='May 27 2006, 12:04 AM']
I have fitted one today and the car feels smoother throughout the rev range. It was a charging stabilizer from the states. Says TRD etched in the metal and not cheaply done either but its highly dubious that it is a genuine TRD product.[/quote]

Any Pics? :D
[/quote]


this is an old post but.......

My ground wires have fallen appart after much abuse so i am manufacturing new ones, if all goes well and there is the interest there may be a manufacturing chain set up. I'll post pics when i am finished :)

Will be using 8AWG wire and RS Components M6 hole Ring Tongue connectors and the soldered ones too not crimped.

Austin
Ahmet
I'm interested, price dependent.
BernardTamHK
(i dont understand wave theory or much about electronics), but will something like this .. reduce or remove the distortion/noise I get on my TV/DVD HU setup? sometimes I see slight lines on the tv screen (when playing dvd) and while im stepping on the gas.
Ahmet
[quote name='BernardTamHK' post='383329' date='Sep 19 2006, 03:05 PM'](i dont understand wave theory or much about electronics), but will something like this .. reduce or remove the distortion/noise I get on my TV/DVD HU setup? sometimes I see slight lines on the tv screen (when playing dvd) and while im stepping on the gas.[/quote]It should do, yes.
Mr Singh
If you need 8AWG, 4AWG or 0AWG wire, i can help with supply.. i have over 5000ft ;)
chips229
Hi,

A friend of mine put one of these earthing kits on his 400Bhp Supra,did he notice any difference?

Not really apart from wasting 30 to 40 minutes of his time :D
Sonu
A friend of mine suggested I should get Sun's Hyper voltage System GT, and there grounding wires apparently they are the best according to him.

[url="http://www.sun-auto.co.jp"]sun jap site[/url]

[url="http://www.sunautomobile.com/"]sun US site[/url]
legendswraith
[quote name='Mr Singh' post='383418' date='Sep 19 2006, 08:14 PM']If you need 8AWG, 4AWG or 0AWG wire, i can help with supply.. i have over 5000ft ;)[/quote]

I will need some 8AWG wire what colours do you have? 5000 feet might be a bit excessive though :D
Mr Singh
[quote name='legendswraith' post='383472' date='Sep 19 2006, 10:23 PM'][quote name='Mr Singh' post='383418' date='Sep 19 2006, 08:14 PM']
If you need 8AWG, 4AWG or 0AWG wire, i can help with supply.. i have over 5000ft ;)[/quote]

I will need some 8AWG wire what colours do you have? 5000 feet might be a bit excessive though :D
[/quote]

At the mo i have silver and blue.
www.knukonceptz.co.uk
:shifty:
(yes thats me)
legendswraith
[quote name='Mr Singh' post='383496' date='Sep 19 2006, 11:54 PM'][quote name='legendswraith' post='383472' date='Sep 19 2006, 10:23 PM']
[quote name='Mr Singh' post='383418' date='Sep 19 2006, 08:14 PM']
If you need 8AWG, 4AWG or 0AWG wire, i can help with supply.. i have over 5000ft ;)[/quote]

I will need some 8AWG wire what colours do you have? 5000 feet might be a bit excessive though :D
[/quote]

At the mo i have silver and blue.
www.knukonceptz.co.uk
:shifty:
(yes thats me)
[/quote]


is that price per metre, per foot ?
Mr Singh
per meter.

All our cable has more strands compared to the competitors. In essence, 8AWG is 6AWG, 4AWG is 3AWG, 0AWG is 1/0AWG. We do std. sizes and Kollosus range :)

Unlike some of the really thin stuff some people sell on ebay or around the net..
legendswraith
[quote name='Mr Singh' post='383643' date='Sep 20 2006, 06:02 PM']per meter.

All our cable has more strands compared to the competitors. In essence, 8AWG is 6AWG, 4AWG is 3AWG, 0AWG is 1/0AWG. We do std. sizes and Kollosus range :)

Unlike some of the really thin stuff some people sell on ebay or around the net..[/quote]

ok expect an order for some 4AWg soon then :)

any good promotional codes ;)
legendswraith
[quote name='legendswraith' post='383651' date='Sep 20 2006, 06:29 PM'][quote name='Mr Singh' post='383643' date='Sep 20 2006, 06:02 PM']
per meter.

All our cable has more strands compared to the competitors. In essence, 8AWG is 6AWG, 4AWG is 3AWG, 0AWG is 1/0AWG. We do std. sizes and Kollosus range :)

Unlike some of the really thin stuff some people sell on ebay or around the net..[/quote]

ok expect an order for some 4AWg soon then :)

any good promotional codes ;)
[/quote]


Right made the first set up to try on my car, 8AWG bright red with soldered M6 ring tongue terminals rather than the crimped stuff that you can buy off ebay. Just sorting lengths out for various models now and i reckon i will be able to do bespoke colours too. Just need to design the battery connection method now and its complete.
Will be looking into interest and to see if its worth my while to start producing them, so how much would you pay for ground leads?
Keith Bowler
Austin

I may be interested, I suppose my limit would be around the £35-£50 mark. I have a voltage stabiliser already which I have yet to fit.
I'll need an idiots guide as to where to connect the wires up to etc!

Need to fit my oooh so soft replacement front seats first, once I have restored a few cracks in the drivers seat.

Cheers
Keith
Rob's Lexx
[quote name='Keith Bowler' post='383931' date='Sep 21 2006, 09:02 PM']Austin

I may be interested, I suppose my limit would be around the £35-£50 mark. I have a voltage stabiliser already which I have yet to fit.
I'll need an idiots guide as to where to connect the wires up to etc!

Need to fit my oooh so soft replacement front seats first, once I have restored a few cracks in the drivers seat.

Cheers
Keith[/quote]

ditto....stoopid persons guide required :lol: :D
Mr Morse
Easy....

Connect 1 cable each to:

- the block
- the alternator
- the TB
- and a few to various points on the chassis
Rob's Lexx
[quote name='Mr Morse' post='383936' date='Sep 21 2006, 09:08 PM']Easy....

Connect 1 cable each to:

- the block
- the alternator
- the TB
- and a few to various points on the chassis[/quote]

mike...you forget this is me we're talking about fella :lol: :lol: :lol:
legendswraith
[quote name='Keith Bowler' post='383931' date='Sep 21 2006, 09:02 PM']Austin

I may be interested, I suppose my limit would be around the £35-£50 mark. I have a voltage stabiliser already which I have yet to fit.
I'll need an idiots guide as to where to connect the wires up to etc!

Need to fit my oooh so soft replacement front seats first, once I have restored a few cracks in the drivers seat.

Cheers
Keith[/quote]

35-50 :blink: no where near that at all. The GS will be the first to be sorted as well :D

I'm doing it to :

Headlights - Block - Throttle Body - Manifold - Alternator - Transmission (possibly)
Rob's Lexx
[quote name='legendswraith' post='383955' date='Sep 21 2006, 10:10 PM'][quote name='Keith Bowler' post='383931' date='Sep 21 2006, 09:02 PM']
Austin

I may be interested, I suppose my limit would be around the £35-£50 mark. I have a voltage stabiliser already which I have yet to fit.
I'll need an idiots guide as to where to connect the wires up to etc!

Need to fit my oooh so soft replacement front seats first, once I have restored a few cracks in the drivers seat.

Cheers
Keith[/quote]

35-50 :blink: no where near that at all. The GS will be the first to be sorted as well :D

I'm doing it to :

Headlights - Block - Throttle Body - Manifold - Alternator - Transmission (possibly)
[/quote]

but surely this will be applicable for the IS mate?? what kinda price are you looking at mate? :)
legendswraith
[quote name='i_love_my_IS200' post='383960' date='Sep 21 2006, 10:20 PM'][quote name='legendswraith' post='383955' date='Sep 21 2006, 10:10 PM']
[quote name='Keith Bowler' post='383931' date='Sep 21 2006, 09:02 PM']
Austin

I may be interested, I suppose my limit would be around the £35-£50 mark. I have a voltage stabiliser already which I have yet to fit.
I'll need an idiots guide as to where to connect the wires up to etc!

Need to fit my oooh so soft replacement front seats first, once I have restored a few cracks in the drivers seat.

Cheers
Keith[/quote]

35-50 :blink: no where near that at all. The GS will be the first to be sorted as well :D

I'm doing it to :

Headlights - Block - Throttle Body - Manifold - Alternator - Transmission (possibly)
[/quote]

but surely this will be applicable for the IS mate?? what kinda price are you looking at mate? :)
[/quote]

It will when i get around to guinea pigging an IS for measurements and seeing how to connect to the battery terminal without replacing the original one. If i have to source a seperate negative battery connection it will drive the price up which is not the idea, i am hoping to connect straight onto the tightening bolt for the negative terminal


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