canzoomer and 1/4mile? also other mods and 1/4mile
 

has anybody ran their car in the 1/4mile w/canzoomers mod installed? and did they have any other parts on as well as the chip?



thanks!

andrew

I haven't run with the CZ1 yet but I will soon. The word is my CZ1 should ship this week.

I just raced Atco last night stock (see my other post) to get some baseline runs. I will be very curious to see how much the CZ1 improves my times. The only mod I have now is an exhaust.

i have raced at our 1/8 mile track down here best i could get was a 9.7 with just a exhaust

lol u can tell everyone u have a 9 second car man ;)

true. aslong as they dont ask for your 1/4 you can just tell them u have a 9second car.LOL.... i would

1/8mile 9.7 hehe
i think even my modded civic can do that. hoping the rx-8 has more potential in the near future. i dun need any rockets.... but a 13 1/4mile is what i'd like on the rx-8.

considering canzoomer1, lighter rims/wheels, and new exausts (maybe air filter upgrades, but not convinced). dun want any turbo/super chargers or nething that drastic. is it possible to go around the low 13s without modding the engine?

Low 13s are going to be almost impossible without major work and or forced induction.

i think you gotta drop alot in your civic to get it their

One answer, tubos! lol I own a 93 RX7 so I'm kinda partial to them.

With Exhaust, Intake, UD Pulleys, and a lightweight flywheel I think it is possible. But the cost would be close to 3000$ if you were not going to do the work yourself.

haha dam a 9.7..i ran a 10.1 in my stock 2004 miata mx-5...

i don't get it. how much hp does rx-8 pull to the rear wheel?
my '01 celica gt-s can run 14.7 stock in 1/4 mile.
i'm looking for a faster car, but i didn't know rx-8 was that slow

You keep saying "can run". Just curious, have you run it? Is it an auto or a manual?

To keep on track.. I ran 15.7ish 1/4 mile without CZ (my first time at the track) .. I was told.. becase we didnt get slips, it was one of those race wars type things at a track. I'd like to go back and see how the CZ 1.1 does.. I know it's faster than a stock 8 in 3rd and 4th because of some pulls from a roll I did with a stock 8.. Maybe I'll do the next test and tune and get slips with CZ on and off.

Also, the car could probably run better than 14.5 if we could keep the wheels from hopping like a kindergarden class at a potatoe sack competition. There's power there. I just don't think the suspension just isn't tuned to be a drag car.

1/8 Mile???

You've got to be kidding. It seems like the average RX8 runs low 15's. Do you really think that exhaust, intake, pulleys and flywheel will reduce your time by 2 seconds?

First off, the flywheel will add very little to the power at the wheels. I've also seen very little gain with exhaust and intake. With the mods you list you're looking at maybe 20-30 whp gain. Certainly not the 100 whp that will be needed to get you to low 13's.

The only way to low 13's is through some sort of power adder: NOS, Supercharger, or Turbocharger.

180-190 HP to the rear wheels is common.

This ends up sounding like a cop out everytime I hear it, but this is not a drag car. At least not in its current form. This is more of an auto-x type car. Take it out on a curvy road and you'll see it shine.

Now, so that that doesn't come out like a cop out: yes, it's lacking some power that I wish it had. The Mazda projected 250 bhp would be nice to have. But, at least we know we can get to 250 stock w/ the right ECU settings.

Now, we just need Mazda to settle on what the stock ECU should be like so Canzoomer doesn't have to upgrade his piggy-back unit so often.

I agree this is not a drag car. and if i wanted a drag car i wouldnt have bought the rx-8. however, even tho it is not a drag car, i'd still wanna be able to do some impressive 1/4 miles with it if possible. it don't have to be the best or anywhere near the best, but i really thought it was possible to do low 13's (13.1-13.5) without major work done. not looking at NOS, turbo/super chargers. flywheels, clutch, intake, exaust, ecu upgrades, racing wheels, better tires are basically my options.

i've seen quite alot of time slips of 1/4 mile in the high 14's for the 8 6speed. but i guess most average 8 do only run low 15's. i havent managed to go under 15 yet(but i respect my clutch and do not wish to damage it or ruin it)

Well, that is funny since I have seen numerous time slips in the mid to low 14's, so no i am not kidding.

Your are right the flywheel does not add much HP, but gets the engine into its power band much quicker, DUH!!!

The 1/8 mile track is too short with the low torque of the 8 to get to it's peak acceleration.
A violent drop of the clutch should get you a little faster though.

Ok, on this site the ONLY mid and low slips for a stock RX8 is Judge Ito's. All the other slips are 14.8+ with the majority around 15.3. Now granted, this is a very small pool of slips so if you have a better resource for 1/4 mile times I would love to see it.

In gear acceleration is determined by your horsepower. A lightened flywheel may add somewhere around 5-8hp. So you will get to the powerband just as fast as if you had added 5-8hp. 5-8hp will not get you there "much" quicker.

Having personal experience with lightened flywheels I can tell you that they do much more than just add a few ponies. Obviously a flywheel that weighs 10 and 1/2 punds lighter is going to spin up quicker. Revving faster is the key, and that is what a lightweight flywheel does.

I don't doubt that it can spin up quicker with the reduction of mass. It will also spin down faster with the reduction of momentum. But when in gear, your acceleration is determined by weight and horsepower. There are a few other factors like wind resistence but for the most part its weight and horsepower.

A lightened flywheel yields a small increase in horsepower. That means you get a small increase in acceleration. You can not get a large increase in acceleration with a small increase in horsepower unless you reduce overall weight by a significant %. 10-15lbs is not significant.

They don't add ponies...the don't lose the existing ones instead -drivetrain loss.

Yeah, I want to see this slips as well. Hell, Ito doesn't even have a slip for his 14.3 run and I'm starting to doubt that one.

so basically they recover a percentage of the HP lossed during drivetrain?

Something like that.

exhaust, what's that, 5hp?
intake...hahahaha
pulley? maybe another 5?

lightweight flywheel? so you can get more of the 238hp to the wheels?

so at best, 10rwhp.

and that's gonna get you low 13's?

hahahahahahahaha

look at it this way, rx8's weight/hp ratio's 12 3000/238.

a cobra's 9, 3660/390. A cobra will do high 12's , low 13's.

how exactly will 10rwhp get you into low 13's?

low 15's is pretty embarassing by any measure, but i think its a difficult car to launch. what are the 60' times?

light flywheels sure make a car feel faster! my guess is with the rx8 and that long-long climb through the tach is it will get you to the power band more quickly in 1st gear. a lower 1st gear would do the same thing- minimize the amount of time spent below 6K rpm.

james

Man your acting like a flywheel is going to magically make the rx8 a fast car.

IF you want to go fast without a turbo, nitrous or whatever.

Your only choice right now is canzoomer. And even with canzoomer/I/h/E/flywheel you wont see low 13s. Unless you are on radials and can drive like a madman. Maybe then a low 13 with an evo like trap.

The car hasnt been out too long and really has little aftermarket. Be patient adn things will get better.

FYI, it is not possible to assign a single HP number to the effect a lightened flywheel has. This is because it varies per gear - the lower the gear, the greater the effect. In my Miata, the Mazdaspeed flywheel I installed was very noticeable in first gear, less noticeable in second, and inconsequential in third and up.

You can, however, come up with an approximate number that characterizes the effect of the flywheel for every gear. Bascially, compute the reduction in the moment of inertia from the factory flywheel to the aftermarket unit, and then divide by the average acceleration for each gear to get the torque "liberated" by the flywheel. Since your acceleration reduces with each gear change, the effect of the flywheel reduces too.

In that regard, it's like any other "adding lightness" mod, except it is sensitive to the angular acceleration of the motor instead of (or, more accurately, in addition to) the linear acceleration of the car. But make no mistake - 10 lbs off a flywheel is much more important than 10 lbs off the body, or even 10 lbs out of the wheels, at least from a straight-line performance perspective.

I did the calculations for my Miata and came up with something like 10 ft-lbs in first gear. Now mind you, this affect will be felt (more or less) across the entire power band, not just at peak. So it's a very real way to increase the performance of the car, particularly "street start" 0-60 times, as well as in-gear times in second, and perhaps third, gear.

Now, if you are into serious wheel-spinning drag racing, the effects won't be as noticeable, and may even hurt launch times, since you are counting on that flywheel to keep the tires spinning. I suspect in an RX-8, a lighter flywheel would be a good thing even in these circumstances, but some cars really need that rotating mass (say, a car with a super-light drivetrain but with very sticky drag slicks).

But for improving around-town throttle repsonse, and for autocrossing, a light flywheel is a very real performance enhancement, particularly in a rev-happy car.

European Car magazine independently dynoed a Vw golf 1.8 t a few years ago and found the following increases in rwhp

1. First gear 18 extra rwhp
2. Second gear 11 extra rwhp
3. Third gear 4 extra rwhp.

Therefore acceleration in 1st and 2nd gear is MUCH faster.
The rx8 having limited torque and with a 9500 rpm would offer even more hp improvements, making this modification a must have.

Standing quarters could improve by up to .4 to .5 seconds in my opinion


Regards
Rexi

I love it when people pull #s out thier @$$


but who know you may be right

This is excellent confirmation, but I do wonder about the magnitude of the gains reported. Given that the car is accelerating rollers (I'm assuming a chassis dyno), as opposed to the car itself, the gains in each gear wouldn't directly correspond to the gains you'd experience on the road, since that the rollers would (likely) not be the same effective mass as the car. In otherwords, the engine would not accelerate at the same rate on the rollers as it does on the road.

Of course, they may have accounted for that - I'm sure the MOI of the rollers is known, and therefore you could scale the results. Do you remember if something along these lines was mentioned in the article?

George

Catalytic converters on rotaries are very restrictive to meet emmision tests. So, an aftermarket exhaust system wouldn't be that bad of an idea. Sure results won't be phenominal, but you would gain more power than you would on a piston engine similar to the Renesis (say, an S2000 engine).

Of course, the best deal would be Canzoomer. Then you could just download Stage 2 if you ever got around to adding an aftermarket exhaust.

Anyone up for streetporting their Renesis? :D

Gimmie a die-grinder and a case of newcastle. :)

I'm very curious to see what kind of port jobs we can do to the renesis... that's probably where the NA power is going to show up.

yea its an 8th mile time..i wish it was a quarter..haha

My CZ1 is installed finally. I will be taking the 8 back to Atco for some 1/4 runs next week. Then we will see the real difference the CZ1 makes.

You better not be lying - too many people have said that, but then never actually do it. I look forward to the results.

for some reason, I believe him.

He seems to be honest enough and wants do do good and show the community what a difference it makes.

I'm going Tuesday. Open racing early then jet cars and top fuel after dark. I've already posted my base time slips so why would I lie?

Thanks... here's my stock run from Atco...

Car #202

It looks like there will not be open racing tomorrow because of the Thrill show. I'll probably go this Thurs or next Tuesday.

Any new runs Velocity?

All racing got rained out last week. I plan to go tomorrow (Tues) for open racing. I should be able to get about 5-7 runs in. I'll post the timeslips.

I was at Atco last Friday, Street Night. Let me tell ya I did NOT represent for the rotaries.I was my first time with my 8 at the track and the best time I got was 15.7. I kept missing some gearsand wheel hopping. It was embarrasing. I was the only rotary there. Not a good night. Wed I should be getting my tanabe springs. It lowers the car 1.5 inches. Maybe that should help and also I've been practicing my high rev shifting.I might go this next Friday before Hot Import Nights in Philly.

I'll be there tomorrow if you can make it. I hope it does rain, again.

Not the best day for time trials. 104 degrees at the track with 100% humidity. Here are my best runs. I'll post the actual timeslips tomorrow (sanner is at work).

CZ1.1 Off

2.26 60'
15.47 1/4 mile @ 91.6


CZ1.1 On

2.28 60'
15.20 1/4 mile @ 93.6

Ouch, that's some hot weather.
Nice 60ft times. I couldn't break 2.3's but I won't go above a 5k rpm launch.

So, with the CZ in you gained 0.27 seconds. That's well short of the expected 1 second 1/4mile gain.