ProCharger
#27
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I think you should pick out a power goal, what kind of power delivery/driving you'll be doing...and go from there.
#28
Are the first words out of his mouth going to be 'apex seals'? lol.
And yeah most of the kits produce roughly the same power once you're inside the powerband, but before that is a different story. Not just considering which is making the most power at any given rpm but if you got the stage 1 C-2 you actually lose power in the low revs compared to stock, costing you mpg. The biggest turn off for me about the C-2 is the price. Would I take a procharged RX8 over a naturally aspirated RX8? Absolutely. But when you can have a more powerful kit for less money...
If you like the C-2, more power to you. If I was to spend $8000 on a forced induction kit it'd go to either the GReddy and MM upgrade, or the Esmeril T70 kit and keep the change. Thats just my 2 cents though.
And yeah most of the kits produce roughly the same power once you're inside the powerband, but before that is a different story. Not just considering which is making the most power at any given rpm but if you got the stage 1 C-2 you actually lose power in the low revs compared to stock, costing you mpg. The biggest turn off for me about the C-2 is the price. Would I take a procharged RX8 over a naturally aspirated RX8? Absolutely. But when you can have a more powerful kit for less money...
If you like the C-2, more power to you. If I was to spend $8000 on a forced induction kit it'd go to either the GReddy and MM upgrade, or the Esmeril T70 kit and keep the change. Thats just my 2 cents though.
#29
are you saying the greddy + mm is 8k? cause it seems like you can get a greddy for 4k or so, and the upgrade for under 2k. Not anywhere close to 8k.
#31
Banned
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Why do people feel the need to avoid the science?
Read https://www.rx8club.com/showthread.php?t=132628 and look at the torque curve.
Your vehicle's performance is directly proportional to the torque curve.
No fudging, guestimating or seat-of-the-pants measurements required.
Read https://www.rx8club.com/showthread.php?t=132628 and look at the torque curve.
Your vehicle's performance is directly proportional to the torque curve.
No fudging, guestimating or seat-of-the-pants measurements required.
#33
Lmao. And while we're on the discussion of turbos I just got smoked by an 05-06 STI. As soon as I knew what was beside me I just put my forhead on the steering wheel lol. Guy have me half a car head start and neither of us launched.
At first nothing really happened but then I heard this odd hiss...next thing I know the Subie blasts past me back-firing every couple seconds lol. I knew I was going down but against a turbocharged, performance built, track machine I think my basically stock RX8 did pretty good. Those cars go through the gears quick too! The new STI's won't be able to reach 60 till 3rd =(
Not to worry though some punk idiot wanted to race on the same trip in some Maxima R-tune. Out-revved and out powered =)
BTW, when anyones 'clearing the pipes' in an RX8, how smoothly do you guys shift?
At first nothing really happened but then I heard this odd hiss...next thing I know the Subie blasts past me back-firing every couple seconds lol. I knew I was going down but against a turbocharged, performance built, track machine I think my basically stock RX8 did pretty good. Those cars go through the gears quick too! The new STI's won't be able to reach 60 till 3rd =(
Not to worry though some punk idiot wanted to race on the same trip in some Maxima R-tune. Out-revved and out powered =)
BTW, when anyones 'clearing the pipes' in an RX8, how smoothly do you guys shift?
#34
Registered User
Here's a nice vid of one: ;-)
http://www.youtube.com/watch?v=foI3T8dJs6Y
http://www.youtube.com/watch?v=foI3T8dJs6Y
#36
Careful with that kill/been killed story Red. Mods may contact you about it. Why don't those Evo/STi guys race me anymore? They used to mess with me but since the porting....and even moreso with MM's Cobb re-flash........
I gotta bring my shot back on-line soon, too.
I gotta bring my shot back on-line soon, too.
#37
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#38
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I read nothing about him being on a public road. Sounds to me like that STI happened to pull up next to him at the local dragstip right RED?
#39
lol absolutely. figured it was something like that. thanks for the heads up.
so the AP works well with naturally aspirated RX8's? Someone from RX7.net suggested the Hi-power cat back over it. His reason was 'Going with the Cobb AP without doing an exhaust really wont give you much of a gain.'
...Well neither does a cat-back...
so the AP works well with naturally aspirated RX8's? Someone from RX7.net suggested the Hi-power cat back over it. His reason was 'Going with the Cobb AP without doing an exhaust really wont give you much of a gain.'
...Well neither does a cat-back...
#40
#42
Registered User
lol....now I don't know about you, but when i go to the dragstrip I always tell people I took a "trip" to the track. So therefore on the same "trip" to the track he pounded on a maxima. Okay I'll call my own
#43
Generally not true. A supercharger has more moving parts, and is always working even at idle. Superchargers also have more parasitic drag on engines than turbochargers. And even if a turbocharger does break, you can replace it with the same sized turbo for $500-$1000 (depends what turbo you're running). If something in your supercharger breaks you're going to have to replace the whole kit.
#44
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Generally not true. A supercharger has more moving parts, and is always working even at idle. Superchargers also have more parasitic drag on engines than turbochargers. And even if a turbocharger does break, you can replace it with the same sized turbo for $500-$1000 (depends what turbo you're running). If something in your supercharger breaks you're going to have to replace the whole kit.
And as for a portion of this above...better check your information and sources...
Last edited by Red Devil; 07-01-2008 at 07:44 PM.
#45
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Generally not true. A supercharger has more moving parts, and is always working even at idle. Superchargers also have more parasitic drag on engines than turbochargers. And even if a turbocharger does break, you can replace it with the same sized turbo for $500-$1000 (depends what turbo you're running). If something in your supercharger breaks you're going to have to replace the whole kit.
#46
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Just been trolling in the aussie forum and came across this interesting post .
I've been running a supercharger from DNA/RotorMaster for 30,000km (last 20,000 at 9 1/2 psi),
and would like to clarify some mis-information about the product.
(hopefully avoiding any turbo v's Supercharger arguements)
- It's a complete kit, you don't need to spend any extra money.
- There is no lag, power delivery is simply more linier than that of a turbo.
- Most daily driving is done in the 2-6k rpm range, where the SC is only producing moderate boost.
This means they don't have the same mid range power of a turbo.
But also means reasonable fuel economy; have got over 500km to a tank highway driving.
- Still, its no slouch mid-range; at about 5500rpm my motor is producing more power than a NA car's best.
- When you want even more power, drop a gear and its there instantly.
- Thare is an induction/turbine noise. Sometimes its annoying, other times it sounds hot.
- The only problem i've ever had is a stuffed catalitic converter, which seems to happen eventually to most FI 8's.
Buy a good metal cat.. problem solved.
My tips for reliable FI...
Find a good tuning shop. Fueling, timing, etc, needs to be right, otherwise something will break.
If you notice even the most minor irregularity; drive like Mr Magoo until its sorted.
Treat your car with respect. Anything will break with abuse.
For anyone interested, my car was dyno'd in Brisbane by an independant workshop;
results are on this web page (last dyno map).
http://www.dnamotorsport.com/ProChar...8_Kit/RX-8.htm
Please no arguements about subjective dyno readings, only posting here as a guide.
and would like to clarify some mis-information about the product.
(hopefully avoiding any turbo v's Supercharger arguements)
- It's a complete kit, you don't need to spend any extra money.
- There is no lag, power delivery is simply more linier than that of a turbo.
- Most daily driving is done in the 2-6k rpm range, where the SC is only producing moderate boost.
This means they don't have the same mid range power of a turbo.
But also means reasonable fuel economy; have got over 500km to a tank highway driving.
- Still, its no slouch mid-range; at about 5500rpm my motor is producing more power than a NA car's best.
- When you want even more power, drop a gear and its there instantly.
- Thare is an induction/turbine noise. Sometimes its annoying, other times it sounds hot.
- The only problem i've ever had is a stuffed catalitic converter, which seems to happen eventually to most FI 8's.
Buy a good metal cat.. problem solved.
My tips for reliable FI...
Find a good tuning shop. Fueling, timing, etc, needs to be right, otherwise something will break.
If you notice even the most minor irregularity; drive like Mr Magoo until its sorted.
Treat your car with respect. Anything will break with abuse.
For anyone interested, my car was dyno'd in Brisbane by an independant workshop;
results are on this web page (last dyno map).
http://www.dnamotorsport.com/ProChar...8_Kit/RX-8.htm
Please no arguements about subjective dyno readings, only posting here as a guide.
Last edited by Brettus; 07-06-2008 at 09:26 PM.
#50
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Looks good. For a track car, I think you made a fantastic choice. Curious to hear how the blow through setup goes for you over time.