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Aug 27, 2008, 08:35 AM
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#1
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Evolved Member
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Join Date: Aug 2007
Location: CALIFORNIA
Posts: 1,773
Drives: 2006 EVO RS & 2003 F150 SCREW
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Ignition amplifier needed when using E85
Just wondering if people are finding the need to use a cop set-up or add'l amplifier regardless of turbo size/boost pressure w/ E85?
From my experience all Evo's react differently but just trying to get an idea.
I believe Lucas English runs the SparkTech COP.
Anyone else have something to share?
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Aug 27, 2008, 09:21 AM
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#2
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Location: Tucson, Arizona, USA
Posts: 1,251
Drives: '03 EVO VIII, '04 Prius
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Quote:
Originally Posted by PATRICK B.
Just wondering if people are finding the need to use a cop set-up or add'l amplifier regardless of turbo size/boost pressure w/ E85?
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Not needed. I'm running 28psi with copper plugs gapped at 0.020". Works like a charm!
That said, would it "work" even better with more spark? Perhaps. I'd love to see an E85 shop do some back-to-back tests on ignition options.
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IX Turbo | Walbro FP | HKS 264/264 | RC 1,000cc injectors
Helix DP | Helix TP | Greddy EVO2 (modified to 3") | JDM MR BOV
ETS 3" FMIC | Nisei LICP | PPI ported exhaust manifold | SS eBay O2
BR cone filter | BR MAF pipe | Hallman MBC @ 24psi | E85
E85 Hints and Tips
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Aug 27, 2008, 09:24 AM
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#3
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Location: Washougal, WA
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Drives: '04 EVO SSL
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The CDI is very nice but not needed like Jim said. I used run 33psi spikes on stock ignition at .019-.020 gap with no problems. The only things is I was putting plugs in the car ever 1000mi or so depending on how I drove it. With the the CDI I have yet to put new plugs in running a .022 gap.
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Aug 27, 2008, 09:40 PM
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#4
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Location: Tucson, Arizona, USA
Posts: 1,251
Drives: '03 EVO VIII, '04 Prius
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Quote:
Originally Posted by Lucas English
I used run 33psi spikes on stock ignition at .019-.020 gap with no problems.
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Is this on the IX turbo? I had always heard that 28psi was the magic number. Is there really any extra power to be had at higher psi? At what psi does the power actually begin to level off?
Thanks...
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IX Turbo | Walbro FP | HKS 264/264 | RC 1,000cc injectors
Helix DP | Helix TP | Greddy EVO2 (modified to 3") | JDM MR BOV
ETS 3" FMIC | Nisei LICP | PPI ported exhaust manifold | SS eBay O2
BR cone filter | BR MAF pipe | Hallman MBC @ 24psi | E85
E85 Hints and Tips
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Aug 27, 2008, 10:07 PM
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#5
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Silver Sponsor
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Location: Washougal, WA
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Drives: '04 EVO SSL
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Yes its a IX turbo. At the track it spikes 28psi and falls to 24psi. On the street the same setting will spike 33psi in the 3-5k range.
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Aug 27, 2008, 11:00 PM
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#6
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Drives: RX7 GSL-SE turbo, 05 MR Graphite Gray,02 GSXR-750, 88 supra turbo
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At the track I run 26-27psi spike.All original ignition and plugs from an 05, never had a misfire yet.
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Aug 28, 2008, 01:04 AM
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#7
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Drives: a laptop connected to your ECU.
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Quote:
Originally Posted by Jim in Tucson
Is this on the IX turbo? I had always heard that 28psi was the magic number. Is there really any extra power to be had at higher psi? At what psi does the power actually begin to level off?
Thanks...
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You will get more peak torque and a little more area under the curve 4k to 6k or so. Up top the peak hp will be about the same as it can only flow so much there.
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Bryan - 05 MR - E85 and FPgreen powered
E85 Army
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Aug 28, 2008, 02:46 PM
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#8
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Drives: 05 Evo GSR
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I'm not running an amplifier. BPR8ES' gapped to .020"
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EvoRed - Tuned by Kasey
457whp/393wtq - Buschur MD
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Aug 28, 2008, 02:58 PM
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#9
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IS 0.020 the gap? I have mine gapped at 0.024. My car does have an XS engineering ignition amplifier installed by the previous owner...
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Aug 28, 2008, 03:03 PM
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#10
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Location: BFE Clovis, NM
Posts: 579
Drives: 2003 TB EVO VIII
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the gap is very dependent on what turbo you're running, bigger turbo's like 35-37r move a lot of air and you tend to have more of a need for COP or an ignition amp.
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Aug 28, 2008, 03:39 PM
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#11
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Location: Newport Beach
Posts: 222
Drives: 05 EVO VIII
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Quote:
Originally Posted by dsmfan95
I'm not running an amplifier. BPR8ES' gapped to .020"
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.020.. interesting.. im gapped at .026 and running great.
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GSC S1//Warblo//5Zigen//Big Sticker//Tune By 20psiMR// 91 & E85 Tune RRE//Buschur FIMC//RC1000 injectors//high flow cat//Toot Toot Mod//dented body panels//Dirt//
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