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Old 06-17-2007, 03:45 PM   #1
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Supercharger pushing Zetec 4wd questions....

Hey guys,

Still a little new here, so here's my plan. I own a 2002 5speed 4WD Ford Escape XLS Sport and I'm planning to do one of the following...

JRSC w/BBK
or
Powerworks SC

I'm looking for reliability first. My truck already has 90K+ miles. Which is more reliable?

I know that the PowerWorks blows the doors off the JRSC w/BBK, but I'm worried about my clutch, will my clutch handle either of these 2 options?

Is it possible to tune any of the above kits with 87 Octane fuel? I'm in Canada so gas is helluva lot more expensive than it is in the US :(

I'm thinking of installing a taller 5th gear to save on gas (I know, I know going F/I and being feul economic is a bit of a conundrum) Has anyone thought about doing this?

Thanks in advance!

E


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Old 06-17-2007, 04:08 PM   #2
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actually if you can keep your foot out of the go-pedal you can get BETTER fuel mileage out of Forced induction engines than Naturally asparated engines. Turbos are the best for this as they actually use what would be waste energy (exhaust gas) to spin the compressor. Superchargers have to sap energy from the engine to generate their compressed air but it is instainous compared to the turbo which has to spool up.

If you ran your boost low enough you might be able to get away with 87 but I'm not 100% on that issue.

5th gear- What ever you do keep you engine somewhere where it makes power. If you lower your cruise RPMs to much you can actually consume more fuel and also cause other problems. I think it was GM that was running way tall diff gears and tranny gears. They had a butt load of cam failures because the engine RPM was so low that oil wasn't getting to where it needed to be.

Clutch-get an upgraded one. Or just run the stocker untill it takes a dump THEN upgrade.
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Old 06-17-2007, 04:13 PM   #3
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The only problem you might have is I think the escape's trans are not as strong as the focus's, You probally sould look into beefing it up a little.
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Old 06-17-2007, 04:56 PM   #4
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You're willing to spend a few grand on a supercharger but don't want to pay a couple dollars more every fill up?
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Old 06-17-2007, 04:58 PM   #5
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The non-SVT JRSC makes so little gains as to not be worth it...get your head milled to raise compression and get some cams, gears and a tune, you'll make about the same level of HP and more torque.

I would think that the PWSC would be easier on your engine since it cools the air before it reaches the engine, not to mention you'll have higher overall potential with the M62 blower over the M45 that comes with the Zetec JRSC. And with the intercooler you can overdrive the blower, resulting in more power.

I think 91 octane is the minimum for FI applications...its harder to limit boost with a supercharger, unless you get a larger underdrive pulley custom-made for the application.
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Old 06-17-2007, 05:11 PM   #6
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The escape trans is especially weak, small gears, etc. That will probably be the biggest problem with reliability. A supercharger may not bolt up and clear all the driveline components. A turbo may be your only option.
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Old 06-17-2007, 07:15 PM   #7
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Hmmmmm,

So the Escape tranny is a little weak eh? So if anything the JRSC would be my best bet then? The PW Charger a little too potent?

And neither of the S/C's may not bolt up? Hmmmm....isn't the Escape engine bay a little larger than the focus? I swear the first time I popped the hood, I had to take a second look to see if there was an engine lol.....it looks so minute (as in size, not time)

My goal is to simply have my truck handle more like the V6 option XLT. I hate having to downshift on meagre uphill climbs
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Old 06-17-2007, 09:40 PM   #8
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I get 28-32 city/highway with my stage 2 turbo.
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Old 06-17-2007, 11:06 PM   #9
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Hey, whatever you do, post pictures after the installation! I've never seen a modified Escape and would love to see yours when its done.
By the way, I'd go with a blower because since your driving an SUV, you need the low end power more than the high end. Supercharger FTW.
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Old 06-17-2007, 11:20 PM   #10
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While there may be a LOT of room in your engine bay, its probably not set up the same way it is in a Focus, and that's what all the supercharger kits have been designed for. So you might have hoses or supports running across a key space for the supercharger equipment.

Again, I would avoid the Zetec JRSC...the gains aren't worth the $2600 you'll spend on it. For that money you could go aggressive N/A with a Ford Racing head milled to 10.5:1 CR, stage II/III cams and a tune and get better numbers. Go with the Powerworks, Procharger or a turbo kit if you want to do FI.
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