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#21
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Hi Ross,
Im hoping you can help me. Ive got a similar setup to you where ive got a GC8 in which ive dropped a new engine, upgraded to a PowerFC and going through the tuning process. Our setup differs where ive got a EJ20TT from a Liberty B4 and ive converted it to the stock WRX single turbo setup. Heres the details - as you can imagine it looks a lot different now but the stoopid coil pack is the same : http://www.scoobymods.com/dropping-2...win-t9802.html Anyways im about to upgrade my coil packs to FK0140's from the EJ20TT (ive made the loom and everything is soldered and ready to go) but ive got no idea about setting the dwell times. I know my new coil packs have a dwell of 3ms but i have no idea how that relates to voltage, and also how it translates to crank angles??? Ive attached my current dwell settings which are the default EJ20K ones so they should be fine for the current single coil pack setup, but im wondering if could you please let me know what you changed yours to and how you worked it out? Thanks heaps Rich |
#22
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^^ Replied to via PM
Please if you find/found this thread helpful click the scales above any of my posts here & leave me some feedback.....Thanks!
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#23
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Classy job there Ross. I gotta say, changing to coil ons is definitely better than comtinuing to use leads. Although when I did mine it was the entire loom but the ignition side looks same same.
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Air is for pussies. |
#24
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will this work well with Okada Projects plugs?
I'm keen but I need harness plugs. mmmm |
#25
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Hi Guys,
Thanks for your help Rossco on this previously. Ive now completed the conversion - installed my loom and it was spluttering like crazy but zeroed it down to 2 dead coils - got replacements from US (same model numbers) and it runs great now - ive just got 1 kinda major problem.... When im driving normally its usually fine but when i turn on the aircon, it basically bunnyhops - at first i thought it was a problem coil but it seems like its complete ignition cut for a split second at a time, not just a single coil - i think its way too intense to be just a single coil. When ive got the aircon on and its idling its fine, it just happens when i accelerate (even in neutral) once i pass about 1600rpm it starts doing it. I thought it maybe the extra load the aircon is putting on the engine but it doesnt happen normally when im going up hills so i guess it cancels that theory out. Ive tried to also cancel out the following : - voltage drop - replaced battery but also tested the load voltage across the battery and its only about .08v difference between aircon on and aircon off at 1700rpm - both sit about 13.8v - tried adjusting the IGN vs Bat and Dwell vs RPM settings temporarily but no difference - Reset the PowerFC to defaults and went through the initial setup process but still did it after that which cancels out any tuning issues It sometimes happens when the aircon is off but very rarely - whatever is causing it, the aircon being turned on is increasing it - Right now im pretty much out of ideas - as far as im aware the only things that change when the aircon is on is the extra load on the engine and a little bit of extra voltage drain - is there anything else? Hope someone out there can help cus summer in oz sucks without aircon as you probably know Thanks Rich |
#26
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Dwell settings in the dwell v rpm need to be set for 5ms dwell at all rpms.
Try these values & let me know how you go: RPM Dwell Adjustment 10000 300 8000 240 4000 120 2000 60 1000 30 480 14
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] Last edited by Rossco; 05-03-2012 at 02:21 PM. |
#27
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Hi Rossco,
Thanks for getting back to me again - I will make the changes this afternoon and let you know how i go - should i set to the above figures even though my COPs are 3ms? Thanks Richard |
#28
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If you have the black COP's then use these dwell angles:
RPM Dwell Adjustment 10000 180 8000 144 4000 72 2000 36 1000 18 480 9
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[CENTER][SIGPIC][/SIGPIC][/CENTER] [CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER] |
#29
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thanks heaps mate - ill let you know how i go
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#30
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Hi Mate,
I tried the 3ms settings and unfortunately no go - the car starts quicker and feels a little better but still got the same issues. For the hell of it i tried the 5ms settings but same still so reverted to the 3ms ones as they should be perfect for my COPs. The issue only seems to appear between 1600 and 2500 rpm but considering thats standard driving rpms its a bit of a killer. Is there anything else you could think of? Thanks again Rich |
Tags |
9900, coil, conversion, cop, gc8, gd, on plug, pack, plug |
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LinkBacks (?)
LinkBack to this Thread: http://www.perth-wrx.com/vb/mechanicals/42930-99-00-gc8-coil-pack-gd-coil-plug-conversion.html
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Posted By | For | Type | Date | |
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