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Series I Aftermarket Performance Modifications Discussion of power adding modifications

What is the single best 'mod' you have done to your 8?

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Old 06-07-2007, 09:51 AM
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educated the driver
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Old 06-08-2007, 12:37 PM
  #102  
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AFAIK, when you push the pedal and the fluid becomes pressurized, a standard (rubber) brake line will "swell/expand," which means less pressure actually going to the caliper/piston/brake pad. Thus, you have to push the pedal a little harder, and you get that "spongy" feel. When the fluid is pressurized in a stainless line (which is still rubber underneath, just wrapped in steel mesh, the hose has less "give" to it, and you lose less pressure pedal -> pad. So, when you hit the pedal, you don't have that extra "squish."

Same concept with a clutch line, though it may be a bit harder to really feel the difference, since the clutch just always gets pressed to the floor. Theoretically, I guess, your engagement point comes just a bit sooner, and you can shift faster?
Old 06-09-2007, 02:24 AM
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it was just what the doctor orered
Old 06-09-2007, 06:56 AM
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Feed 4.777 final drive!
Old 06-09-2007, 08:49 AM
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Seeing as I still have to get my RX8, I can't really add to the best mod list. But about two years ago I went to a racing school. I would suggest this over any mod.
Old 06-09-2007, 08:51 AM
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Sorry, Double post.

Last edited by MazdaJeff; 06-17-2007 at 09:39 PM.
Old 06-09-2007, 11:21 AM
  #107  
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+1 on driver education. The car is much faster than you are out of the box.
Old 06-14-2007, 08:58 AM
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Cusco Lsd for sure.

And the mazsport's 3 with the fd rotors and hurleys apex seals(If this can be one mod )
Old 06-14-2007, 02:12 PM
  #109  
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I've fitted a few things but the best IMO is the w/l sways with spherical endlinks. I can now feel the car moving underneth & am able to take a 50mph corner at 60mph. Most will be from inspiring confidence at the wheel rather than mechanical grip
Getting SO2's fitted tomorrow 245/40 hope this improves over the contactsport front & kumho rears
Old 06-17-2007, 03:26 PM
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Best mod so far would have to be my HKS exhaust, i just love the sound and my butt dyno says i can feel a pull.
Old 06-18-2007, 01:49 PM
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This post makes me want the Feed 4.777 final drive, flywheel and AFE shifter. I think I would be happy with those. Maybe an HKS single side, too.


I have no mods, besides a Canadian GP sticker I picked up in Montreal last weekend.
Old 06-18-2007, 03:53 PM
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a better driver. There is always room for improvent in the drivier.

But if you're talking physical performance........new tires.
Old 06-19-2007, 07:11 AM
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Originally Posted by TimzSI
This post makes me want the Feed 4.777 final drive, flywheel and AFE shifter. I think I would be happy with those. Maybe an HKS single side, too.

Do it, you will be please with the 4.777!!!
Old 06-19-2007, 08:17 AM
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I was under the impression that the Feed 4.777 final drive was for NA vehicles, yet your signature says that your car is force fed. Is my info of the 4.777 gear false?
Old 06-19-2007, 09:05 AM
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The final drive will give you a lower top speed but quicker acceleration, there is no concern with NA or FF.
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Old 06-19-2007, 10:24 AM
  #116  
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Racing Beat Flash
Old 06-19-2007, 10:51 PM
  #117  
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Originally Posted by zoom44
Racing Beat Flash
I am bone stock at this point ... (except some new tires I'll put on soon) But I think the RB flash will be my first "upgrade" ... If it really does help keep the oil temp down ... It sounds like a win/win.
Old 06-23-2007, 11:14 PM
  #118  
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Skip Barber Racing School. Hands down, case closed... but so far my car is completely stock.
Old 06-26-2007, 09:45 AM
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Originally Posted by SE3P_HKG
The final drive will give you a lower top speed but quicker acceleration, there is no concern with NA or FF.
well, the more power you have, the longer the gears, generally. Otherwise you'll just spin the tires and not accelerate.

Do you have any pictures of the Feed gears? Or of them being installed, and with what LSD?
Old 06-26-2007, 10:07 AM
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If you have forced induction with at least 300+++whp then the stock or a final drive ration under 4,4 like 4.1 are very good..For na the 4.7 is good but there is no need of a 4.7 when u r in fi...And remember the consumption goes for a walk when having a 4.7 or even a 5.1
Old 06-26-2007, 09:36 PM
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In theory, a powerful engine should consider using a lower ratio final drive. But for the rotary, even with FI, the engine simply does not have enough low end torque, also the turbo will not start winding until 4.5k - 5.0k rpm. Therefore, the 4.777 will suit FI engine perfectly to assist the car get off the mark or exit a corner!

As for fuel consumtion, if you want to be green, forget driving a rotary engine. It is a drinking monster at birth.
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Old 06-26-2007, 10:13 PM
  #122  
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Racing Beat Race flash is the easiest upgrade with the biggest bang for buck...

I saw it as a bigger increase than when I installed my flywheel, under drive pulley, and intake all at once
Old 07-03-2007, 02:30 AM
  #123  
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My Ferrita 2.5" complete 2.5 exhaust system with a sport cat. It dropped my 0-60 mph times 0.7-0.8s! And it also has a nice deeper tone also, but still comfortable when cruising.

/Lasse
Old 07-03-2007, 03:31 AM
  #124  
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My favorite so far is the Falken Azenis tires they knocked 25 seconds off my Nurburgring Lap times
Old 10-02-2009, 08:43 AM
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Talking

Originally Posted by MazdaJeff
Seeing as I still have to get my RX8, I can't really add to the best mod list. But about two years ago I went to a racing school. I would suggest this over any mod.
Originally Posted by chickenwafer
a better driver. There is always room for improvent in the drivier.

But if you're talking physical performance........new tires.
Originally Posted by RshnRoket
Skip Barber Racing School. Hands down, case closed... but so far my car is completely stock.
I have to agree with these three and any others who also advised driver education. The RX-8 is a momentum car on the track by its very nature. Additionally, driver education is applicable under all conditions.

As far as modification to the car or its specifications, my needs were somewhat different than others on the boards here. I needed maximal availability and after having a mishap that trashed two tires in the same incident and having the Mazda-supplied tire valve tool come apart in my hands, for me, my Pirelli P-Zero Nero M&S RFTs have proven indispensable. I don't have cause or opportunity to cruise at or above 120mph, I do need a really good rain tire (since I live in New England), and I can still run even if I have another mishap that kills pressure in multiple tires. They also have a more progressive break-away than the OEM Bridgestones, though I concede that their dry limits are not as high. For me, their wet weather behavior was more critical than their dry weather limits. As an added bonus, they are quieter than the OEM Bridgestones, so I hear fewer complaints from my wife.


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