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Old 05-30-2007, 09:29 AM   #1
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I need more torque Please!!

I love my 8 but I feels it needs more torque in the lower RPMs but I really don't want to turbo it or supercharge it . My RX8 is a stock manual 2004 and I am just starting auto cross . And i am just getting into cars . So I = noob .

Please help

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Old 05-30-2007, 09:34 AM   #2
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The aftermarket performance section is your friend...

http://www.rx8club.com/forumdisplay.php?f=23
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Old 05-30-2007, 09:37 AM   #3
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next time test drive a car before you drop 28K on it. Or at least do your research on what kind of freaking engine is in the car.
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Old 05-30-2007, 09:41 AM   #4
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You have a small engine. That's the nature of the beast. There are 2 ways to get more torque. 1 way is with forced induction. The other is with a larger engine.
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Old 05-30-2007, 09:43 AM   #5
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Quote:
Originally Posted by toxin440 View Post
next time test drive a car before you drop 28K on it. Or at least do your research on what kind of freaking engine is in the car.
That always kills me. They had to have test driven it before buying, but they suddenly come to the realization that it doesn't have enough torque/hp etc... I don't get it.
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Old 05-30-2007, 09:44 AM   #6
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Had you done some reasearch , you would had known that this is one of the biggest complaint with the RX8.
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Old 05-30-2007, 09:44 AM   #7
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Rotary Engine != Low End Torque

Let's disect your post:
Quote:
I love my 8
As do I.
Quote:
but I feels it needs more torque in the lower RPMs
This is not an uncommon feeling. I would also like to spend my paycheck and keep it too, but them's the breaks.
Quote:
but I really don't want to turbo it or supercharge it.
"I want more power but I don't want to do anything that will add more power. Which way to the magic beans please."
Quote:
My RX8 is a stock manual 2004 and I am just starting auto cross.
Very cool. A lot of people do fairly well in auto-x using Rx-8s. If you drive well, you should be able to keep your RPMs up and not need much below 4/5k rpms. At least you're not trying to drag race.
Quote:
And i am just getting into cars . So I = noob .
You won't get much argument here.
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Old 05-30-2007, 09:45 AM   #8
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lol I love the car i think its one of the best cars out there and i got it b/c its next to ungodly stock it just want to hear about cheaper mods then turbo kits they just kill it . i was looking into a 20b but .. they are autos rights? the 20b cosmo was just auto
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Old 05-30-2007, 09:49 AM   #9
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The 20B swap is more expensive than any turbo kit. People do run MTs with the 20b but I'm not sure which trans they are bolting up. I think Rgonza runs the Rx-8 6spd.

You can run nitrous or you can spend a couple grand for ~20 whp. When you look at the long run, other than nitrous, turbo/s/c is more hp/dollar than just about anything. The Rx-8 has fairly decent intake/exhaust tuning. Most other mods will not yield significant power returns though small gains will accumulate with time. I put in my supercat and I *think* I got more power but not enough to say "kick in the pants".
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Old 05-30-2007, 09:51 AM   #10
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If you are looking at a cheaper mod than a turbo, a 20B shouldn't be included anywhere in there. Plan on spending far more to do a conversion. What transmission an engine was mated to originally is irrelevant. The cheapest way to get more power is with a Greddy turbo system. As it comes it isn't a very nicely setup kit but fortunately there is enough information here to make it nice for the money spent.

Are you in the USMC at Quantico?
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Old 05-30-2007, 09:54 AM   #11
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A 20b swap would cost about $20k+ unless you do everything yourself, and even then it would be extremely costly.
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Old 05-30-2007, 09:55 AM   #12
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At least you're not trying to drag race.

I know the rx8 is never going to be a 0 to 60 i mean the 8 is a great handle car .

I got it b/c its good auto cross car and i got it for 16k and only 30,000 miles and certed Mazda damn good deal on it

I was just seeing if there was something I was missing

like i said I think the car is perfect but the torque and just seeing if you guys had any ideas.
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Old 05-30-2007, 09:57 AM   #13
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i like 20b over turbo b/c the turbo stress the heck out the 1.3 and will cuts the life in half
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Old 05-30-2007, 09:59 AM   #14
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i think the turbo will cost more in the long run .. if i do all my own work
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Old 05-30-2007, 10:13 AM   #15
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i will need new Exhaust header, cataylic convertor, cat-back exhaust, intake header, throttle body, cold-air intake, bigger fuel injectors, better fuel rail, better spark plugs and wires,Lighter pullies. before 20b
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Old 05-30-2007, 10:22 AM   #16
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All of that added up will give you somewhere between 10-15 additional horsepower over stock so don't expect bolt-ons to do much.

A moderate turbo does not really add any stress. Detonation adds stress. A bar of boost is not twice the wear. It doesn't work like that. Yes a bigger engine will not work as hard but trust me, you are not going to do a 20B for cheaper than a turbo. I think you are underestimating the cost of one of those.
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Old 05-30-2007, 10:22 AM   #17
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Are you in the USMC at Quantico? no but i work for them
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Old 05-30-2007, 10:28 AM   #18
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i scared to turbo b/c i still want to have my car in ten years do you think if i turboed it will last that long
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Old 05-30-2007, 10:36 AM   #19
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Quote:
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i will need new Exhaust header, cataylic convertor, cat-back exhaust, intake header, throttle body, cold-air intake, bigger fuel injectors, better fuel rail, better spark plugs and wires,Lighter pullies. before 20b
All that BEFORE a 20B? If you were to swap in a 20B about 1/2 that stuff would not swap over to the 20B. Save your money, buy the GReddy turbo and do the fixes for it found on this forum.
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Old 05-30-2007, 10:38 AM   #20
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For the cost of a 20B swap/setup, you could probably run a Greddy kit and have cash to spare for 3 more engines. Ultimately, the Greddy setup with bonus engines would last longer. The 20B is going to come in used, sit in a fabricated cradle and use a lot of custom parts. It'll run strong and, for an aftermarket swap of that magnitude, it'll be fairly reliable I guess. I don't see how it would be more reliable than a well tuned Greddy kit.
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Old 05-30-2007, 10:41 AM   #21
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Like the others said, the only way to get tons of TQ outa this car, either Turbo/SC or engine swap.

engine swap(20b) will cost you at LEAST 3 times the amount of a turbo kit. not including labor.

Even the cheapest Turbo kit out there (greddy) will cost you MORe than 5 K because some of the stuff that came with the kit are junk, so you have to get *better* parts.

You should've did your homework before you got this car. and as always, SEARCH is your friend, the same ? has been answered like a zillion times.
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Old 05-30-2007, 11:09 AM   #22
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The best way to insure that your car lasts 10 years is to treat it properly. You can make any engine combination fail or last a long time depending on how you drive it and take care of it.
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Old 05-30-2007, 05:19 PM   #23
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Take your car back and buy a Mustang GT. That will take care of your torque problem. Sounds like the 8 definitely isn't for you.
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Old 05-30-2007, 05:36 PM   #24
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You are starting to autocross. Look how well the 8 does against competition with much more torque (read 350Z) and you will see that this is not a problem in competition whatsoever. In buying this car you have traded some power in return for great agility. If you are just desparate for more torque on the street, the answers have already been posted above.
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Old 05-30-2007, 06:29 PM   #25
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Quote:
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The best way to insure that your car lasts 10 years is to treat it properly. You can make any engine combination fail or last a long time depending on how you drive it and take care of it.
So how would you drive the 8 to make sure it lasts 10 years?
1) Agresive
2) Like grandma
3) both 1 and 2
4) Other ; explain....

thanks for the feedback
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Old 05-30-2007, 06:29 PM
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