NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Performance Mods (https://www.nopistons.com/performance-mods-20/)
-   -   15.3 Hp Gain @6500rpm (https://www.nopistons.com/performance-mods-20/15-3-hp-gain-%406500rpm-12782/)

R1TT 02-23-2003 08:37 PM

Was read reading Aprils Turbo Mag and there was and article on sun auto Hyper ground systems,



anyone using these?



It show's an FD with fmic, cat back, pfc, 550's, 1300's, and stock twins

Dyno and it claimed a gain of 15.3 Horse at 6500 rpm and an avergage of 7.09hp

Holy **** just from ground wire's, it also show's results from an S2000 and Suzuki Aerio, although they did not gain 15+ hp, they still showed gains



So is it for real? apparently XS Engineering is intalling them and finding gains



Should that be the next thing I should put on, I mean it really is not much for them, probbably around 100 bucks, but for the gains if true, seem like it would be worth it

What you guys think?

JimmyJimboJet 02-23-2003 08:49 PM

i think it's also supposed to cure the '3,000 rpm hesitation under light throttle'.



i've thought about it, but there some other stuff to take care of first.

it wouldn't hurt to try though, it's not like it's expensive.

i've also heard of people just doing the same thing themselves. you just gotta know what ground points to use/move to.

teknics 02-23-2003 08:50 PM

it's like $108 IIRC. It all depends on the locations of your grounds, I'm considering asking turbo just where and how they mounted the ground wires, because if you dont put it in the same spots you'd have varied results.



Personally a) if i had an fd and b) if i had an extra $100 i'd go for the grounding kit. And you could use speaker 4 gauge wir, but the hyperground system is like pure 100% copper and flow much better then other normal old wire.



kevin.

JimmyJimboJet 02-23-2003 08:52 PM


Originally Posted by teknics' date='Feb 23 2003, 07:50 PM
it's like $108 IIRC. It all depends on the locations of your grounds, I'm considering asking turbo just where and how they mounted the ground wires, because if you dont put it in the same spots you'd have varied results.



Personally a) if i had an fd and b) if i had an extra $100 i'd go for the grounding kit. And you could use speaker 4 gauge wir, but the hyperground system is like pure 100% copper and flow much better then other normal old wire.



kevin.

wtf does iirc mean?



good point about using the same ground points they used, same wire etc...

teknics 02-23-2003 08:58 PM

IIRC = If I Recall Correctly



yup if you dont use the same points the results will definitely be different. THats the second time they wrote that article and that rx7 chart by the way, i found that part funny. hehe. If you read the article it says they had to move around the wires and test it on the dyno each time to see if the results were better or worse. SO if you have a free dyno or a lot of dyno time you could use it to find the best spots, otherwise id consider mailing turbo for the spots they used.



kevin.

Joe Flo 02-23-2003 09:13 PM

I stumbled over the same kit while looking for parts on an Fd. It looked like it was worth the money. But I dont think it would be the same with speaker wire. Unless you get the pure copper kind...but with the cost of that you might as well by the kit!

R1TT 02-23-2003 09:18 PM

supposed to have some kinda copper wire's which have 1477 strands, anywhere you can get that stuff? also if you use other wire's would you not see those types of gains?



out of the 3 cars that they tested 2 which were 2002 model's, very close to brand new and the rx7 which is 1995, the newer cars only gained a little , where the 7 year old car gained a whole lot , you guys think its cause of the older wires , perhaps more resistance build in the wire due to corrosion or heat in the FD's engine bay , or perhaps the design of the electrical system in the fd? causing the FD to gain so much, I wonder how a newer rz fd would do in the test?

isamu 02-24-2003 10:19 AM

I saw that article as well, very interesting. Here is a link:

http://sunautomobile.com/

CrazyAssRX7 02-26-2003 01:25 PM

damn

im thinking what kind of a differnce would it make on an fc???

ground wire isnt even as good as the one from fd's



i would like to see if it would make that great of a difference

Fd3BOOST 02-26-2003 02:57 PM

Upgrading your grounds and adding a few extras is no secret boys.

15 HP? Hmmmm I dont know about that.

You can get 4 guage ground straps from any automotive supply.

Hell if you call Pettit reacing they send you some that are free.

They arent 4 guage but they help.

R1TT 02-26-2003 05:51 PM

Fd3BOOST for sure its no secret that on an efi vehicle the electrical system must perform at peak in order for you to make some gains, there are so many electrical components that need a good supply of electricity, but is normal 4 guage ground straps or free ones from Petitt going to perform as well the the sun ones? because the sun wires are suppose to be 1477 strands and all copper, and supposed to be put in some type of daisy chain config to get better power , hmmm just wondering

Joe Flo 02-26-2003 05:58 PM


, you guys think its cause of the older wires , perhaps more resistance build in the wire due to corrosion or heat in the FD's engine bay


I have had a little experiance with electronics and when I took apart my grandfathers tv to rewire the thing the wires were so old that they disolved in my hands. Depending on the loads the wires can easily be worn from the current or age and weathering. And since it is a japanese car I doubt they werent too concerned about the quality of wires they used. I can see how an older model got a gain that big. When it comes to car I have also noticed that age can bring down the Hp. I am guessing this is where some of it goes!

JT-Imports 02-27-2003 06:45 AM

Just for info. I think around 30 companies here make them. Most are the same

kit, but usually just thick wires and clips. granted I sell them.



IF you want to know what all the big companies say. It doesnt do shite unless

your car body has around or over 100,000 then it might be a good idea, since your

grounds get a little weak.



I have one wire for my egine and one for my alternator, and that helps a little, just

makes the idle a little smoother. HP i dont think so IMHO



I have heard of like DRAGON having great feedback on it.....



I do know of a company that will soo be releasing a ground, just like an aircraft usings

it will actually connect in the wheel hub. They wanted me to try one out, but I didnt have

time to let them have the car. Well see...............

qwester007 02-27-2003 07:14 AM

Replacing my ground wires helped my car a little. 15HP- I don't know about that. https://www.nopistons.com/forums/pub..._DIR#>/dry.png

needa86NAat 02-28-2003 09:16 PM

anyone with a link or info on the best/ common spots to add grounds?


All times are GMT -5. The time now is 01:59 PM.


© 2024 MH Sub I, LLC dba Internet Brands