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Should a novice own a turbo/sc ?

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Old 01-27-2008, 03:52 AM
  #51  
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Originally Posted by extra Phil
correct me if im wrong, but if you just get a mazdaspeed turbo, would'nt the dealership be able to install/maintain it..

Originally Posted by Jedi54
Wait...nevermind, we don't actually want a Mazdaspeed Turbo. Knowing MNAO, it'll be OVERPRICED, underpowered, and still void our warranty.
Old 01-27-2008, 07:15 AM
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Originally Posted by staticlag
It sure does disprove it. Lack of options is a pretty strong argument.

If lack of options doesn't dispove this, then by-all-means... bolt up your rx8 racing transmission to your all-wheel drive rx8 fed by a 5 rotor engine.
I see what you did there, but not quite Even if you cannot buy one from Pettit, for the same cost as a boost controller, I'm sure a higher horse power pulley can be made. It's not like pulleys are magical creatures and must be bought from the same manufacturer. If someone wants more boost, it doesn't matter if it's a button or a pulley, they can do it either way.


Yes, I am saying that it is safer because it is constant.

The safest one is obviously the supercharger, because it is making less power than the turbocharger. less power = safer, right?
Being less efficient doesn't make it safer. In fact, to make the same power, you're going to see more heat, and more heat is never safer.
Old 01-27-2008, 07:54 AM
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Originally Posted by mysql101
Drop in another $1600 for the turbo upgrade, and you'll make far more torque (195 vs 260), more hp, and is still cheaper than the SC.

Even if you add $1500 for the int-x, the total above comes to $6600, which is still less than the Pettit II CS $7144.
To be fair though, at that price you get a high-flow cat, and tune. Without the high-flow cat and tune you'd only be paying $5495.

If you'd like to try a real-world experiment. Just name the dragstrip and the day, and we'll see who walks away from who.
Old 01-27-2008, 08:02 AM
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Originally Posted by Bastage
To be fair though, at that price you get a high-flow cat, and tune. Without the high-flow cat and tune you'd only be paying $5495.
That wouldn't be fair. If you remove the high flow cat and go with the lower level kit, your torque and hp drops with it. According to the website, you're down to 170 tq at that point. I included the higher cost kit because I was using the highest power levels listed by Pettit. If I went with the lower numbers, you guys would complain I'm using the lower power level kit.


If you'd like to try a real-world experiment. Just name the dragstrip and the day, and we'll see who walks away from who.
You're kidding right? From 3,000 rpm to 8,000 rpm, I make substantially more torque than your SC. Unless I suck more at shifting than you do, or we're racing at 2,000 rpm the entire way, I would say it's safe to assume it's a physical impossibility for you to beat me in a drag race.

Also, I'd like to see your dyno charts so we know what your car makes, and not what Pettit claims the generic kit makes.
Old 01-27-2008, 08:09 AM
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Originally Posted by mysql101
That wouldn't be fair. If you remove the high flow cat and go with the lower level kit, your torque and hp drops with it. According to the website, you're down to 170 tq at that point. I included the higher costing kit because I was using the highest power levels listed by Pettit. If I went with the lower numbers, you guys would complain I'm using the lower power level kit.
I'm just making the same argument you did; there's no way you've only spent $6600 on your FI setup.

Originally Posted by mysql101
You're kidding right? At no point in the rpm range does your SC make anywhere near the torque I do. Unless I suck more at shifting than you do, I would say it's safe to assume it's a physical impossibility for you to beat me in a drag race.
If it's physically impossible, then there's nothing for you to worry about, so let's do it. Might be fun. I'll line up against you as much as you like in case you "suck at shifting," and I'll even bring you a box of tissues.
Old 01-27-2008, 08:10 AM
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Bastage, I don't want this to become too adversarial. If you really want to directly compare, make a video in 4th gear going from 1000 to 7000 rpm and then I can do one, and we'll split screen it or something.

My new transmission only has 500 miles on it now, and it's basically been broken in on about 30 dyno runs this last week

I wouldn't have bothered doing drag strip racing before I got a new tranny, and I sure as hell wouldn't do it now. If I had an upgraded RX-7 transmission bolted on, that would be another story.
Old 01-27-2008, 08:12 AM
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Originally Posted by Bastage
I'm just making the same argument you did; there's no way you've only spent $6600 on your FI setup
That's true, I'm about 15k in on my setup, but much of that has nothing to do with performance, or aids little if any in power (ms kit, oil pan, gauges, etc).

I'm talking about bolting up a bone stock RX-8 with the greddy upgraded kit vs the high end pettit kit.
Old 01-27-2008, 08:15 AM
  #58  
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if you have that much money to spend... just go 20b n/a...
thats what i would do..... or... port your renesis, not much more power, but youll be safe staying n/a.. WAY LESS HEADACHE!!!!!!!!!
Old 01-27-2008, 08:26 AM
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Originally Posted by mysql101
Bastage, I don't want this to become too adversarial. If you really want to directly compare, make a video in 4th gear going from 1000 to 7000 rpm and then I can do one, and we'll split screen it or something.

My new transmission only has 500 miles on it now, and it's basically been broken in on about 30 dyno runs this last week

I wouldn't have bothered doing drag strip racing before I got a new tranny, and I sure as hell wouldn't do it now. If I had an upgraded RX-7 transmission bolted on, that would be another story.
What happened to your old transmission, and why so against drag racing? It's a good way to set benchmarks for your car.

No adversity, but the offer still stands. I'm sure any of us (marsred, munche,myself) would jump at the opportunity.

Originally Posted by mysql101
That's true, I'm about 15k in on my setup, but much of that has nothing to do with performance, or aids little if any in power (ms kit, oil pan, gauges, etc).

I'm talking about bolting up a bone stock RX-8 with the greddy upgraded kit vs the high end pettit kit.
If that's what your talking about, then add the cost of retuning. Last I checked an upgraded turbo requires a retune.
Old 01-27-2008, 08:30 AM
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Originally Posted by Bastage
What happened to your old transmission, and why so against drag racing? It's a good way to set benchmarks for your car.

No adversity, but the offer still stands. I'm sure any of us (marsred, munche,myself) would jump at the opportunity.
Old tranny was replaced because the 4th gear syncro was not functional. Above 4k I couldn't shift it into gear without it locking me out or grinding.

Drag racing is fine if your car can stand up to it. The RX-8 transmission is it's weak point and I have no desire to speed up it's death by beating the car up on that spot. Look at how many NA cars have tranny issues. Look at TeamRX8 who just autocrosses NA and how many tranny's he has been through.


The video idea would be a useful way to directly compare. If we drop it down to 3rd gear we can do 1,000 to 9,000. Reset the trip so that we can compare by time, but also speed and distance traveled.

Also since you guys are in FL, we can meet up and you can take me for a ride, and I take you for a ride I know before the turbo upgrade my peak torque was 215, and what I have now is a huge gain in power through the entire rev range. So it should be apparent just by sitting in the passenger seat.



If that's what your talking about, then add the cost of retuning. Last I checked an upgraded turbo requires a retune.
It only requires a retune if you change the fuel injectors. If you guys are running the SC @ 300 hp on the bleeding edge allowed by the injectors, then we can assume the same on the greddy side. But of course, it's generally not a good idea to do that.

Last edited by mysql101; 01-27-2008 at 08:33 AM.
Old 01-27-2008, 03:30 PM
  #61  
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missed all the fun in this thread - some good arguments .

To the OP : I also think it is a bad idea for your first mod to be a turbo or SC .
If you are interested in learning more about your car you are better to start with simple mods (like an intake or something ) and work your way up to it .
But to get an aftermarket kit fitted - even if done professionally , without any knowledge at all is asking for a big headache .
Old 01-27-2008, 06:08 PM
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Originally Posted by Brettus
But to get an aftermarket kit fitted - even if done professionally , without any knowledge at all is asking for a big headache .
Unfortunate, but true.
Old 01-27-2008, 06:55 PM
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Dont even think about it.
oscd
Old 01-28-2008, 12:01 PM
  #64  
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i love you guys, these arguments suck in general. Just like the link I posted, since there isn't definitive comparisons anywhere its just going to be trudging through the trenches of debate. We might as well argue about religion or politics.
Old 01-28-2008, 02:26 PM
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I really want to see the drag races.....
Old 01-28-2008, 02:30 PM
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Originally Posted by OnRails
I really want to see the drag races.....
Me too. So you go ahead and drop the cash on a turbo and race them.

Having waited 30 days for the dealer to take my car in for the new tranny (due to xmas and new year), plus an additional 11 days for the install, I'm just happy to be able to drive around now.
Old 01-29-2008, 01:30 PM
  #67  
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Originally Posted by staticlag
i love you guys, these arguments suck in general. Just like the link I posted, since there isn't definitive comparisons anywhere its just going to be trudging through the trenches of debate. We might as well argue about religion or politics.
Or dino vs synthetic
Old 01-29-2008, 01:32 PM
  #68  
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Eh. Another way to ask the question, in my un FI'd mind, is "Is it easier for a noob to build a 747 or a space shuttle?" Uh...neither?
Old 01-29-2008, 01:34 PM
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Originally Posted by shaunv74
Eh. Another way to ask the question, in my un FI'd mind, is "Is it easier for a noob to build a 747 or a space shuttle?" Uh...neither?
That is the long and short of it. In a nutshell. So to speak. If I may.

(Anyone here ever see the "NASSA" video?)
Old 01-30-2008, 01:15 AM
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Originally Posted by MazdaManiac

(Anyone here ever see the "NASSA" video?)
no,

i dont know what it is, but that you mention it scares me...

beers
Old 01-30-2008, 01:21 AM
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No, man! Its the Old Negro Space Program!
http://www.negrospaceprogram.com/
Old 01-30-2008, 08:27 AM
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Originally Posted by UNDFTD1
SUPERCHARGED!


going turbo is hard when you dont know what your doing.

bad things about it:

1. needs to be tuned by an expert to get max performance
2. needs to be maintained
3. causes extra wear on your engine! ( highly reduces life)
4. can ruin your engine if installed wrong
5. cost will be high!
you have to buy so many things other than turbo
install, guages, tuning all costs ALOT

but in return you get alot

BRAKE BOOSTING! ftw
more speed, acceleration and who doesnt love that BOW sound =)
Did you even read the previous posts? Im sorry if I missed the sarcasm of your post because none of your arguments are valid. At all. I will take it seriously and try to answer so once again, sorry if you were just joking.

1. SC also needs tuning.
2. Yes you have to change oil. Yep, you need to do that on an N/A car too.
3. SC causes wear too. The belt does pull and over time it can cause damage.
4. Boost can ruin the engine, SC or Turbo. Pressing in more oxygen can blow it. Period.
5. We were comparing a low cost Turbo kit with a high cost SC kit, so i dont know where you got that the cost will be high.
Old 01-30-2008, 09:26 AM
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Originally Posted by PerSmitt
Did you even read the previous posts? Im sorry if I missed the sarcasm of your post because none of your arguments are valid. At all. I will take it seriously and try to answer so once again, sorry if you were just joking.

1. SC also needs tuning. (But the Pettit tuning consists of an ECU reflash)
2. Yes you have to change oil. Yep, you need to do that on an N/A car too.
3. SC causes wear too. The belt does pull and over time it can cause damage.
4. Boost can ruin the engine, SC or Turbo. Pressing in more oxygen can blow it. Period.
5. We were comparing a low cost Turbo kit with a high cost SC kit, so i dont know where you got that the cost will be high.
Fixed
Old 01-30-2008, 09:44 AM
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hehe. When Hymee is done with his reflasher, we will have it available for the turbo kits too.

Like many others, I think we're giving up on Cobb because their release date for a RX-8 flasher keeps getting pushed further and further back.
Old 01-30-2008, 11:15 PM
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Wow. Are you this dumb in person, too?


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