Jackson Racing Supercharger Owners Thread

[CounterSpace Garage]

Originally Posted by 86Tony

just saw jackson releasing a rs upgrade for c38 any info in that??

Separates the boys from the real men. LOL

[CSG Mike]

Originally Posted by 86Tony

just saw jackson releasing a rs upgrade for c38 any info in that??

Don't unless you have a built engine or plan on dropping your redline significantly.

[Reamer]

Originally Posted by CounterSpace Garage

Separates the boys from the real men. LOL

How much PSI does that bring the c38 up to? I'm guessing you'd have to run 100 octane or e85 all the time too?

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[CSG Mike]

Originally Posted by Reamer

How much PSI does that bring the c38 up to? I'm guessing you'd have to run 100 octane or e85 all the time too?

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It would depend on how your engine is built, but... 20-24psi wouldn't be out of the ordinary, depending on conditions.

[dp1]

Originally Posted by CSG Mike

It would depend on how your engine is built, but... 20-24psi wouldn't be out of the ordinary, depending on conditions.

This looks very interesting and very usable for my build on 93 Oct, what do you think @CSG Mike?

[CSG Mike]

Originally Posted by dp1

This looks very interesting and very useable for my build on 93 Oct, what do you think @CSG Mike?

You'd be pretty deep into diminishing returns territory with 93 octane. I don't think the power gains (if any) would be worth it for you. It will, however, get you a meatier powerband if you drop your redline.

[DaiTT500]

Received mines and installed already. Waiting for the tune.


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[dp1]

Originally Posted by CSG Mike

You'd be pretty deep into diminishing returns territory with 93 octane. I don't think the power gains (if any) would be worth it for you. It will, however, get you a meatier powerband if you drop your redline.

I wonder how someone else with apparently very similar build to mine runs 710whp - I must have missed an important difference. Anyway, I will take meatier power band - please ask @CSG David to ship it to me and hereby asking @DeliciousTuning to put the redline in the right place. Looking forward to it, and prepared to change SC fluid 2-3 times every season with all that spinning.

And this works with stock injectors?

[CSG Mike]

Originally Posted by dp1

I wonder how someone else with apparently very similar build to mine runs 710whp - I must have missed an important difference. Anyway, I will take meatier power band - please ask @CSG David to ship it to me and hereby asking @DeliciousTuning to put the redline in the right place. Looking forward to it, and prepared to change SC fluid 2-3 times every season with all that spinning.

And this works with stock injectors?

They're running E85 and a turbo, not 93 octane and a C38!

[dp1]

Originally Posted by CSG Mike

They're running E85 and a turbo, not 93 octane and a C38!

e85+turbo makes sense...no e85 for me, too much hassle with the tracks I frequent.
Assuming I'm ok on stock injectors, given 20-23psi on C38, how far down do we take the redline? Thx

[CounterSpace Garage]

Originally Posted by dp1

I wonder how someone else with apparently very similar build to mine runs 710whp - I must have missed an important difference. Anyway, I will take meatier power band - please ask @CSG David to ship it to me and hereby asking @DeliciousTuning to put the redline in the right place. Looking forward to it, and prepared to change SC fluid 2-3 times every season with all that spinning.

And this works with stock injectors?

Just because you can doesn't mean you should.

[dp1]

Originally Posted by CounterSpace Garage

Just because you can doesn't mean you should.

Hehe, you know very well where we stand - plenty conservative on all fronts...investing in a beefier power band on track sounds very much like something I should pursue, keep me honest

[DaiTT500]

Originally Posted by dp1

e85+turbo makes sense...no e85 for me, too much hassle with the tracks I frequent.
Assuming I'm ok on stock injectors, given 20-23psi on C38, how far down do we take the redline? Thx

The tracks you frequent doesn't carry higher octane fuel. Anything above 93 octane? like 101, 109, 116? I know you have forged pistons with it's more knock resistant but with the closed deck sleeved block you have I think the extra step to safety is running fuel that would make your engine run less hot.

[CSG Mike]

Originally Posted by dp1

e85+turbo makes sense...no e85 for me, too much hassle with the tracks I frequent.
Assuming I'm ok on stock injectors, given 20-23psi on C38, how far down do we take the redline? Thx

Well, dropping the redline would also drop the boost. Effectively, we'd have to drop the redline to about 6700, at which point you'd be seeing about the same boost you are seeing now.

The only difference is that your torque is building earlier in the powerband.

If you're willing to run 100 octane or 110 leaded, then the RSP is viable. It is not viable on 93, unfortunately. You're already at the limits of 93 octane with the standard HBP.

With torque coming in earlier in the powerband, we'd be increasing the load on your drivetrain, without increasing the output of the car (lower redline). It doesn't make any sense to do it, IMO.