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08-30-2018, 09:03 PM | #1 |
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can i get any more power out of a 625 kit ?
pretty simple if any one has any advice .i have and e92 with the ess 625 kit and afe mid pipe and borla cat back.i was curious if i can pull anymore power out of this set up.i emailed ess about upgrading to the 650 and they told me 3000 to do so not really worth 3k for 25 hp in my eyes when i didnt think the extra 1500 from the start was lol.any advice greatly appreciated thank you ..
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08-31-2018, 08:18 AM | #4 |
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08-31-2018, 10:43 AM | #5 |
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Get the 650 pulley and belt.
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08-31-2018, 12:55 PM | #7 |
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08-31-2018, 05:25 PM | #8 |
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1) Upgrade the pathetic 1 gal air to water intercooler system
2) New plugs 3) 92mm pulley and belt Smoke fools.
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09-04-2018, 02:25 PM | #9 | |
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ESS has a 94mm pulley which should get you roughly the same boost as the 650 kit for a fraction of the cost. They're very secretive about how the full 650 upgrade is justified over just swapping the pulley, but I don't think the new beltdrive system is worth $3k. Not sure if they still make the 92mm pulley as Longboarder mentioned so 94mm might be your best bet for an easy 20-30hp.
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09-05-2018, 01:25 AM | #10 | |
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i started at around 490whp when I first installed the 625 kit and then got it up to 570+whp without doing anything too crazy. i'm too lazy to explain what i did lol.
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09-05-2018, 11:38 AM | #11 | |
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09-06-2018, 10:14 AM | #12 |
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09-06-2018, 11:17 AM | #13 |
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AFAIK, Vortech doesn't make a 94mm pulley. ESS does, but it is not listed on their website so you'd have to talk to them about ordering one. Vortech does make a 3.6" pulley which is about 92mm. The 625 kit comes with a 96.5mm, which is the same as Vortech's 3.8".
https://vortechsuperchargers.com/pro...ant=7811183809
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09-06-2018, 11:25 AM | #14 |
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Some machine shops will make custom pulleys for superchargers if nothing off the shelf is the right size and can be machined to fit. I had this done years ago — crank pulley, tensioner pulley, blower pulley.
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09-06-2018, 02:41 PM | #16 |
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I would skip a 94mm and go straight 92mm. No reason not to the 92 is actually closer to the 650kit.94m will not get you to 8psi.
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09-11-2018, 10:40 AM | #17 |
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put on a 3.33 inch pulley and the needed belt size for it.... roughly 10psi
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09-11-2018, 01:07 PM | #18 | |
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How does O2 sensors affect performance? What "gains" in HP would OP get from new sensors? Besides a pulley doesn't ESS also give you larger injectors with the 650 upgrade? |
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09-11-2018, 01:22 PM | #19 | |
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The 650 kit does supposedly use different injectors. I say "supposedly" because I don't know what model injector they currently use and ESS is very secretive about this. With that said, AJ told me the 625 tune and injectors are fine up to about 550whp.
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09-11-2018, 01:29 PM | #20 | |
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Quote:
Larger injectors (depends on build, as injector options have changed over time), replacement Crank and S/C pulley, belts and software.
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09-11-2018, 02:11 PM | #21 | |
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Thanks |
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09-11-2018, 02:18 PM | #22 |
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Cats do not affect how an O2 operates, but the tune is required in order to keep everything in check and operating at maximum potential safely. Primary O2s are before the converter anyway, Secondary O2s work as monitors and have a small effect on long term fuel trims.
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