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Old 03-03-2005, 01:13 AM   #1
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Jackson Racing SC ?

I have pretty much decided on a JRSC for my otherwise stock FSVT. I have chosen it because- of the price, - I can install it my self, - the stock FSVT can handle the moderate 10 -20 % power gain, - the tuning is a simple plug-in ,- it is carb qualified and finally it can be pretty much be removed without a trace, if necessary......However I need help with one final question ... How do these units sound on a FSVT? The stock car sounds great,- nice mechanical sound , -a throaty intake combined with a well tuned ,resonant exhaust give it a sweet street sound . I know what turbos sound like, and I have heard V-8 mustangs with super chargers but I have never heard a Focus or any 4 cylander car with an SC . Also, is there any vibration ? Any opinions would be helpful. Thanks.


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Old 03-03-2005, 07:28 AM   #2
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Dont let the tuning fool you , It is FAR from plug and play and safe

I would add to the list a set of injectors MAF and get it tuned from someone , a local Dyno is allways best if they can tune the SVT

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Old 03-03-2005, 08:04 AM   #3
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Yeah, fine tuning is always the way to go. My car for example is also going JRSC...we're going to do a nice 93 octane tune and a 100 octane tune.

The SC sounds awesome!!!! Thats one of my main reasons for getting the JRSC, the Eaton whail is my favorite sound. I'm trying to load a clip of my Miata so you can hear it, it sounds AWESOME!! From inside, your going to hear the eaton (JRSC) whailing coupled with the throaty exhaust.

Do a search, I think the name is 'tribalfocus' he has a JRSC. I have the clip saved, if you cant find it, lemme know and I'll send it to you...
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Old 03-04-2005, 12:11 AM   #4
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Thank you gentlemen for your response. I will price a pro install with dyno tune that also includes injectors, maf. I did suspect the plug-in card they supply with the kit probably does not do the correct job of allowing the additional air/fuel supply the SC requires. The sound must be awesome. My lap top belongs to the company I work for, no sound card yet, but thanks anyway.
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Old 03-05-2005, 02:40 AM   #5
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I have investigated further . I am going to hold off on the SC. Thanks to some very good posts ,I am slowly begining to understad the drawbacks of anbb SC. The SC gives power /torque boost a high rpm, and actually gives you less power /torque than stock at lower rpms. The trubos give power /torque boost at all rpms. If you go with an SC, be willing to blast around at 6-7 rpm to get the benefit. If you look at the dyno from Jackson Racing, see the power LOSS at normal street rpm for the SVT SC. This is a problem for me. Back to the drawing board. Maybe wait for the next gen SVT (rumored to be a WRX SI challanger??)If it ever comes.
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Old 03-05-2005, 02:59 AM   #6
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Actually SC's make power thru the powerband, while turbos have lag and don't make power 'till later... yeah some turbos don't have much lag, but they still do lag!

It's completely false about revving to 6-7k to reap the benefits of a supercharger... if that was the case, most cars that have forced induction would be turboed! The JRSC IIRC makes more low end torque than a turbo, but gets it's ass handed to it on top... it's kind of a trade off, power on top or power down low.

If you are worried about the power loss, superchargers require power to make power. A different tune should make more power than stock, and more than the "chip" Jackson Racing provides.

I myself am debating on getting the JRSC. Only thing that's keeping me away is my warranty, and I want to see how easy it is to install the Powerworks supercharger on the SVT.
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Old 03-05-2005, 08:05 AM   #7
I miss my Turbo SVTF
 
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@ a minimal 10psi (intercooled) I think my JRSC is going to scream all over the powerband...coupled with some fine tuning, should be a nice improvement!!
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