Does the HKS EARTH GROUND Sys. really work?

Discuss the RB20, RB25 and RB26 series engines.
sil820
Posts: 236
Joined: Sun Feb 15, 2004 5:50 pm

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does anyone know if it's worth the money 2 buy that kit.. it looks nice and all but i dont know if its worth it. i heard it helps a lot, and i heard it doesnt. any1 got dyno proof?


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PROJECTRB240SX
Posts: 3673
Joined: Fri Jun 13, 2003 5:33 pm
Car: 1972 DATSUN 240Z W/ SR20DET

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BUILD YOUR OWN ITS CHEAPER AND THE SAME EFFECTS.

BASICALLY ALL IT IS IS A LARGER TRAVEL PATH AND A COMMON GROUND FOR ALL THE HIGH ENERGY COMPONENTS SO THAT ELECTRICTY FLOWS FASTER AND IS FAR MORE EFFECTIVE.

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93RPS13
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Joined: Wed Jan 01, 2003 5:19 pm
Car: Cars, Girls, Cars, Food

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what are some of the things it connects to? like engine etc??

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PROJECTRB240SX
Posts: 3673
Joined: Fri Jun 13, 2003 5:33 pm
Car: 1972 DATSUN 240Z W/ SR20DET

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ALTERNATOR, ENGINE GROUND, STARTER, BATTERY, AND A FEW MORE.

TommyTheCat
Posts: 26
Joined: Sat Aug 24, 2002 1:28 pm

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If your car doesn't have any hesitations or quirky behavior when revving, I don't know if the kit is worth it.

The biggest thing I've seen grounding kits fix is the dreaded 4500rpm(or so) hesitation on the 2nd gen Rx7's which is usually due to the connections being kinda poor and maybe rusted due to the age of the car.

I dunno though, maybe you could pull an extra 2-3hp from using it; might as well get some stickers out...

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PROJECTRB240SX
Posts: 3673
Joined: Fri Jun 13, 2003 5:33 pm
Car: 1972 DATSUN 240Z W/ SR20DET

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I THINK IT'LL SMOOTH OUT ANY ELECTRICAL SIGNALS BUT I REALLY DON'T THINK YOU'LL SEE ANY SIGNIFICANT GAINS IN POWER.

ALTHOUGH IF YOU USE A COLLECTIVE GROUND FOR SOME ENGINE CONTROL REALTED PRODUCTS YOU WILL PROBABLY FEEL A MORE RESPONSIVE ENGINE.

raging panda
Posts: 328
Joined: Sun Jan 05, 2003 8:45 pm
Car: s13 coupe
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There was a dyno done on an FD rx7 in one of the tuner mags a few years back when the hot earth first came out, made 8hp or something like that. They say the more mods done, the higher the effectiveness. Even on a stock S2000 it made something like 2hp.

sil820
Posts: 236
Joined: Sun Feb 15, 2004 5:50 pm

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thanks for your help guys


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