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Old August 9th, 2005, 10:19 PM   #1
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Turbo Rx8, have seen it yet???

The guys at local shop told me that there are turbo kits for rx8. But I havent seen or heard anything about them so I just wanna ask people who love Mazda in here for more info.
Hit me up with some news, guys !!!
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Old August 9th, 2005, 10:25 PM   #2
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yeah, greddy makes a kit for the rx8
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Old August 10th, 2005, 12:10 AM   #3
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yeah their still slow even w/ the greddy turbo kit

Last edited by j0bat6j023; August 10th, 2005 at 03:59 AM..
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Old August 10th, 2005, 12:35 AM   #4
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Quote:
Originally Posted by j0bat6j023
yeah there still slow even w/ the greddy turbo kit
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Old August 10th, 2005, 08:39 AM   #5
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Quote:
Originally Posted by j0bat6j023
yeah their still slow even w/ the greddy turbo kit
really?
slower than the 7G accord?
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Old August 10th, 2005, 09:49 AM   #6
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one guy with intake and exhaust dynoed at like 140whp or something rediculously low
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Old August 10th, 2005, 10:23 AM   #7
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Quote:
Originally Posted by PFizzle
one guy with intake and exhaust dynoed at like 140whp or something rediculously low
I find that hard to believe unless he had the sport automatic since they come with

Sport A/T 6-spd
Horsepower: 197 @ 7200 rpm 238 @ 8500 rpm
Torque: 164 @ 5000 rpm 159 @ 5500 rpm
Redline: 7500 9000

140whp for the A/T would mean a 70% drivetrain efficiency. (Probably had it in overdrive )

If this applied to the 6-spd, that would mean only ~58% of its power is getting to the ground.

I find that unlikely since they have lightweight components that would help in this area such as their carbon-fiber driveshaft.

Oooor... they're lying about their horsepower rating again.
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Old August 10th, 2005, 11:10 AM   #8
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Most NA RX8's Dyno anywhere from 170-200 WHP, there is a huge difference due how the ECU is mapped. So some are getting the rated 238 HP at the fly, but most are probably around 220. ECU piggybacks with tuning are adding another 20-50 WHP depending on how rich they were originally running. Greddy Turbo 8's are getting around 250-280 WHP. There are other turbo kits available from PTP and SR motorsports that can get it up to 350. And there are a couple of superchargers in development. Its still a new car and there is good aftermarket support. Intake, Exhaust, Super Cats etc.....are not really giving the 8 any gains. The ECU is very restrictive and there are huge gains to made if you get it tuned after installing any FI.
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Old August 10th, 2005, 12:45 PM   #9
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do any of you have a stock dyno sheet... he was a 6 speed btw...
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Old August 10th, 2005, 03:33 PM   #10
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i think its slow cuz its running 14.2 quarter mile w/ the turbo. thats pretty slow i think and i saw this at speed magazine and some other place i forgot.
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Old August 10th, 2005, 03:35 PM   #11
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theres a puerto rican guy on RX8club.com

and he put ALOT of work into his. Its turboed and all, and with the all that work its still slow.
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Old August 11th, 2005, 04:51 AM   #12
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u guys know the A/T RX-8 has about 40 Horsepower less than the 6-Speed RX-8 right.......
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Old August 11th, 2005, 04:03 PM   #13
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IMO, the Renesis engine shouldn't have a single large aftermarket turbo, it should have a twin turbo setup. Two turbo's (one small and one large) would give the engine much more low end power (torque), something the stock engine is severely lacking.

Quote:
Originally Posted by jcricket
u guys know the A/T RX-8 has about 40 Horsepower less than the 6-Speed RX-8 right.......
Yeah I know. And strangely, I don't know why Mazda did that to the A/T model.



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Old August 11th, 2005, 10:13 PM   #14
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hopefully mazda will realize they are slacking in the power department and the next gen rotory or a revised version of the renesis motor making better power
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Old August 11th, 2005, 10:42 PM   #15
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Quote:
Originally Posted by Plumaccordcoupe
IMO, the Renesis engine shouldn't have a single large aftermarket turbo, it should have a twin turbo setup. Two turbo's (one small and one large) would give the engine much more low end power (torque), something the stock engine is severely lacking.



Yeah I know. And strangely, I don't know why Mazda did that to the A/T model.
Yes what you are refering to is a sequential turbo set-up.
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Old August 12th, 2005, 11:28 PM   #16
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Quote:
Originally Posted by streetxdreamer
hopefully mazda will realize they are slacking in the power department and the next gen rotory or a revised version of the renesis motor making better power
I doubt that can be done unless they add another rotor or two to the current engine. Forced induction (namely a sequential turbo setup, described in my above post) would be easier and give better low end gains.

Quote:
Originally Posted by Accord_V6_400m
Yes what you are refering to is a sequential turbo set-up.
Yes, that is what it's called. I usually don't use the term since very few people know about it.



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Old August 12th, 2005, 11:50 PM   #17
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Quote:
Originally Posted by Plumaccordcoupe
I doubt that can be done unless they add another rotor or two to the current engine. Forced induction (namely a sequential turbo setup, described in my above post) would be easier and give better low end gains.



Yes, that is what it's called. I usually don't use the term since very few people know about it.
Yeah I know, I was just giving you a hard time
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