Vortech Root style supercharged 13B 6port
Vortech Root style supercharger expected complcations? ni know that all the mounting brackest and the piping from and too the supercharger will have to be custom made and that a fuel managment of some sort will be needed but what else do you think i should do? as a note im not making this car for HP i wanta nice car with kick ass pickup. my motor will be rebiult but not right now mostlikely after the supercharger is setup. im keeping the motor a 6port should i run the turbo 2 rotors? how about porting what do you guys tihnk. also im making true cold air/ram air intake using a turbo 2 hood
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search..... there are plenty of threads about S/C's and guys who have them on their rotaries.
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The basic summary of all those threads is this: It's a very expensive and complicated way to make 180 HP.
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You will run into a severe issue of existance.
Roots blower = Roots type blower Vortech blower = Centrifugal type charger It can't be both. |
I prefer the vortech system. I would always stay turbo on these cars unless you have a very fresh and well setup NA motor already and you just want to add a SC on it for some pop. If you are into serious power and over 350 turbo only.
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Originally Posted by kontakt
(Post 7242822)
You will run into a severe issue of existance.
Roots blower = Roots type blower Vortech blower = Centrifugal type charger It can't be both. If it makes the original poster feel better, I should point out that a turbo (such as the stock RX-7 TII turbo) is in fact a type of supercharger, which very closely resembles a Vortech supercharger.
Originally Posted by SouthSideSlider
(Post 7239195)
also im making true cold air/ram air intake using a turbo 2 hood
2. A true cold air intake chills the air below ambient temperature. A true ram air scoop increases the air temperature as it pressurizes the air. So unless you install some type of chilling device (dry ice, nitrous oxide, CO2, etc.) it will not be a true cold air intake, especially if it is a true ram air intake.
Originally Posted by SouthSideSlider
(Post 7239195)
as a note im not making this car for HP i wanta nice car with kick ass pickup.
2. I have been on this forum for over 7 years. The number of people who I know of accomplishing this conversion on their own 2Gen RX-7 = 0. I know of one very wealthy retired engineer who accomplished this conversion on his Miata, and a few individuals who were able to convert their 2Gen RX-7 with a good kit and/or help from a professional race shop. 3. Even if you could pull it off, it would cost about $4,000-5,000 to have the same acceleration as a $2,000-3,000 TII engine swap. Additionally, the TII engine swap would take 1/2 to 1/4 the effort. 4. OK, now is where you reply with a really nasty post saying how I am a "hater", how you really do know what you are doing, how people like me discourage "original" ideas, and how this forum is so negative. Or, you can learn from these posts and use them to put your time and money toward more worthwhile performance modifications. It's your choice, and it's your car. |
Evil Aviator - despite anything said I have not seen you in some time thanks for showing up. You are always a welth of knowledge and enjoy your posts, poke your head in around here more ;-)
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yes i relise a T2 swap would be easyer cheap more powerful. and i may sound like a moron but i dont want that. sorry i didn't know what i was talking with cold air intake i got that from reading magizines trying to figure this stuff out.
its a roots just came off a Chevy vortech engine. now i really want to stay away from turbo. i know rotorys arn't happy N/A motors(at least mine isn't happy)so the only other thing was supercharging. i was figureing the supercharger would be better for autocross which i like to do. my only turbo experiance is from a European direct 1989 Volvo 740 turbo wagon with the italian B204GT motor running the Garrett T3-series turbo instead of the Mitsubishi TD04 series turbo. |
Originally Posted by SouthSideSlider
(Post 7244509)
yes i relise a T2 swap would be easyer cheap more powerful. and i may sound like a moron but i dont want that. sorry i didn't know what i was talking with cold air intake i got that from reading magizines trying to figure this stuff out.
its a roots just came off a Chevy vortech engine. now i really want to stay away from turbo. i know rotorys arn't happy N/A motors(at least mine isn't happy)so the only other thing was supercharging. i was figureing the supercharger would be better for autocross which i like to do. my only turbo experiance is from a European direct 1989 Volvo 740 turbo wagon with the italian B204GT motor running the Garrett T3-series turbo instead of the Mitsubishi TD04 series turbo. If you've got a snail with a geared side where the exhaust side would be on a turbo, you have a Centrifugal Supercharger. If you are looking for the "low end power" that a supercharger will give, then you want a roots or twin screw blower. The roots blower is horribly inefficient, and the only kit is very very expensive for power gains. I've also seen people set it up and get no power gains whatsoever. A twin screw, or whipple blower would make for a great setup, but are extremely expensive. There is also no kit for these. The closest you could do is look to see if 88IntegraLS has sold his setup yet. Last I checked (a good while ago) it was for sale at like $950, but that woudl be far from your out of pocket cost. |
I have a stock turbo setup on my car with a large fmic. I dyno'd at 201 hp while running 5 lbs of boost. I autocross my car constantly, and I do very well for myself. I'd consider searching for past attempts with custom supercharger setups, or look into buying an old camden supercharger kit. Also keep in mind that you will need some sort of engine management as well. Things like this really cost alot more than most people think.
-All the more power to you if you make it work! |
Originally Posted by SouthSideSlider
(Post 7244509)
sorry i didn't know what i was talking with cold air intake i got that from reading magizines trying to figure this stuff out.
Also, you can use the TII scoop for the engine intake, but it will have no ram air compression, and it will not magically chill the air below ambient temperatures.
Originally Posted by SouthSideSlider
(Post 7244509)
its a roots just came off a Chevy vortech engine.
The Syclone Vortec 4300 was turbocharged. Which Vortec engine came with a Roots blower?
Originally Posted by SouthSideSlider
(Post 7244509)
i know rotorys arn't happy N/A motors(at least mine isn't happy)so the only other thing was supercharging.
Originally Posted by SouthSideSlider
(Post 7244509)
i was figureing the supercharger would be better for autocross which i like to do.
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