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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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10-23-2015, 09:03 AM | #29 |
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I really don't wanna be that guy but I'm just comparing and trying to wrap my head around this. Basically I been trying to compare JRSC and the Edelbrock SC. What better way to compare these two bad asses than from the same guys who tested them and the same dyno.
Source: http://www.ft86club.com/forums/showthread.php?p=1624913 For the JRSC I don't really know what mods this particular car has All I can see is the HKS EL header And for fuel I'm assuming 92. In this corner we have the E Force. Test Vehicle - 2013 6MT FRS Fuel : Chevron 92 Octane Pump Mods : Rev Works UEL Header, Perrin 2.5 Inch Catback Exhaust I understand that the JRSC was tuned about a year ago compared to the E Force which was ran and tuned pretty recently. I love both of these kits and I'm seriously stuck between the two(Thanks @CSG Mike), and I can't help but to notice that the power levels are very close. They both have close to the same peak HP and TQ. I been trying to trace the TQ curves with my mouse and idk if it's just me or it's too early in the morning but there TQ curve doesn't seem to be that much different either between the two. From what I'm seeing they both are very similar in power, now from a buying standpoint. http://counterspacegarage.com/produc...y-brz-frs.html The JRSC is 4000 http://counterspacegarage.com/produc...0-brz-frs.html E Force is 4650 I'm only comparing the TIY kits because I already have the ECUTEK hardware and I'll more than likely just buy a tune from Delicious Tuning. To be fair though if I was to compare the CARB/Factory Tuned kits the difference would be $400. JRSC still being the less expensive one. Now back to the subject if the power band is basically very similar why would someone like me buy the E Force? Am I missing something here? Was the JRSC power achieved through a catless setup while the E force reached that power with only 1 cat (Stock OP and FP) |
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10-23-2015, 09:39 AM | #30 | |
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10-23-2015, 09:52 AM | #31 | |
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10-23-2015, 09:52 AM | #32 |
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Ok 4.88 final drive to help my auto and toss this on. That should be a fun little weekend lake cruiser
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10-23-2015, 10:03 AM | #33 | |
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at 3K RPM it looks like they're both sitting at 160 TQ 3.5 - JRSC looks to be at ~173wTQ and E-Force is at 180wTQ 4.0 - JRSC - 180 wTQ with E Force at 195 wTQ I can go on but at 4.5 E force is still ahead by ~10-15 more TQ. Yeah the E Force has more TQ down low but not by much, or does that small amount of TQ make a huge difference? They're still pretty close together, from looking at both graphs. |
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10-23-2015, 10:04 AM | #34 |
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Drift-Office : Edelbrock E-Force Supercharged!
Bob is it possible to do a JRSC overlay with the Edlebrock dyno? Just to help potential buyers out
Assuming you have 2 dynos that have similar mods and fuel Last edited by Freeman; 10-23-2015 at 10:42 AM. |
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10-23-2015, 10:16 AM | #35 | |
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I personally would prefer the Edelbrock because on the track, reliable power delivery near redline can make a huge difference when coming out of a corner after a downshift. It would be great to see the Edelbrock numbers added to the SC comparison thread AUC graphs so we can get a more accurate comparison. |
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10-23-2015, 11:11 AM | #36 | |
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10-23-2015, 01:07 PM | #37 | |
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How fast can the JRSC spin? |
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10-23-2015, 01:26 PM | #38 | |||
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JRSC standard pulley 91 vs E85 Quote:
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10-23-2015, 01:49 PM | #40 | |
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EDIT: Also just realized these two cars were dyno'd at the same shop on the same dyno in California so there should be less variables between the two.
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Last edited by ATL BRZ; 10-23-2015 at 02:13 PM. |
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10-23-2015, 02:21 PM | #41 | |
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The flatter curve is the Edelbrock, and the steeper curve is the Rotrex kits. Ultimately, both kits, are limited by the 92 octane fuel. The Edelbrock's strength is manifested down at the lower RPMs, where it can build boost earlier, but the Rotrex's efficiency is manifested up top, where it makes more torque (and power) at the same level of boost. The peak differences are that the Rotrex kits have about 20 lb/ft (~15hp) less at 3500 RPM, but have about 25 lb/ft (~30hp) more up top at 6500RPM. I would confidently say that @Drift-Office can probably tune the Rotrex kits to not drop off up top at this point, given their experience. |
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10-23-2015, 02:49 PM | #42 |
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Bob @Drift-Office might be a stupid question, but just to be sure, the dyno you have shown on the 2nd post is your custom tune and not the CARB tune, correct? If so, how much more gains did you get over the CARB tune?
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