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05-30-2010, 05:28 AM | #1 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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Uprated Ignition Coils for 1NZFE
I am currently running my turbo 1NZFE with phased sequential injectors with a wastespark coilpack. Since this setup do not match full sequential operation I wish to know what direct ignition coils are available out there.
The only three I found are: Okada Coils - http://greddyvios.blogspot.com/2009/...or-1nz-fe.html Splitfire coils - http://www.rhdjapan.com/splitfire-di...-2nz-2az-54649 AEM coils - Garm setup Is there any other out there? Another option is to add another coilpack and using 2 leads of each coil while the rest conclude to a wasted spark |
05-30-2010, 08:07 AM | #2 |
Drives: 1NZ-FE Join Date: Oct 2008
Location: asia
Posts: 55
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OBX
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06-01-2010, 08:57 AM | #3 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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Do you know the price range of these OBXR? ^^
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06-01-2010, 11:05 AM | #4 |
Drives: 1NZ-FE Join Date: Oct 2008
Location: asia
Posts: 55
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$199 at ebay
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06-01-2010, 11:09 AM | #5 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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do you have a link of them for specs?
Don't bother ..... after I read this .... http://www.thegalantcenter.net/showt...&highlight=obx Last edited by Parmas; 06-01-2010 at 11:28 AM. |
06-01-2010, 11:41 AM | #6 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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Why not use the OE Yaris coilpacks? Proper fit, reliable, available... what am I missing?
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06-01-2010, 11:49 AM | #7 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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06-01-2010, 01:02 PM | #8 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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I'm assuming you have full control over ignition events with your engine management. With that, I'd try the OE coils and see if they are sufficient. Coil-on-plug gives a pretty strong spark as it is, might be all you need.
(just hate to see the wheel reinvented until it's been proven to be an unusable wheel) If that doesn't suffice, I'd look into whether there are any direct swappable Toyota coil units from a boosted Toyota. (assuming they aren't exactly the same parts) When it comes to stuff like this, you simply can't beat OE reliability. (not to mention availability and price) |
06-01-2010, 04:33 PM | #9 |
Right beside you, wave
Drives: 08 PBM Yaris Sedan Join Date: Oct 2008
Location: Louisville, KY
Posts: 742
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It may be a long shot, but the 4b11 uses a similar setu as the Yaris. They have quite a few upgrades for the EVO so they may have one that will work for you.
__________________
2008 Toyota Yaris Sedan. Pacific Blue Mica. Custom vinyl eyebrows, color matched interior trim pieces, Vios lip spoiler, 17" Maas rims 2010 Scion xB 7.0 Release Series. 1535 of 2000. Murasaki. Stock with TRD springs. |
06-01-2010, 05:33 PM | #10 | |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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Quote:
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06-05-2010, 12:43 AM | #11 |
Drives: 1NZ-FE Join Date: Oct 2008
Location: asia
Posts: 55
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okada are good.
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06-05-2010, 03:06 AM | #12 |
www.yarisclub.gr
Drives: yaris 1.3 2sz - 1.33 1nr Join Date: Jan 2009
Location: greece
Posts: 199
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i think so. okada
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06-05-2010, 07:35 AM | #13 |
Drives: 2006 yaris Join Date: Oct 2008
Location: Puerto Rico
Posts: 536
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06-05-2010, 09:37 AM | #14 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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If they can't spark at higher boost levels, the engine will misfire. If it doesn't misfire at maximum boost, you don't need uprated coils and will see no benefit from them. Spend your money on something else.
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06-05-2010, 11:48 AM | #15 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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So I ask since now many are boosted..... can anyone post maximum boost achieved with stock coils ?
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06-06-2010, 01:01 AM | #16 |
not needed.. unless your going for big power. even then your going to need a CDI unit with the coils. put your money else were like tuning on the dyno.
__________________
05 Scion tC allmotor 350+ hp 9.34@144mph 05 Scion tC sfwd 880hp 9.96@147mph 05 Scion xB 280hp 12.97@104mph 07 Toyota Yaris 357hp 12.80@107mph |
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06-06-2010, 03:57 PM | #17 |
Drives: Vitz RS Turbo Join Date: Nov 2008
Location: ML
Posts: 576
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06-06-2010, 05:54 PM | #18 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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Another option to consider is reducing the plug gap if you did experience misfiring under heavy boost. I doubt you can use enough boost with 10.5:1 compression to encounter firing problems. I think you might just find it won't go quite as far wider than normal as the plug wears before it begins to misfire as it will unboosted. But I don't run boost and don't plan to.
I have seen neglected plugs in unboosted engines grow some impressively wide gaps before starting to misfire. (Including my daughter's old Echo that came with standard plugs, no platinum or iridium, and went 107,000 miles.) The stock coils have a lot of extra voltage capacity with the plugs at stock specs. |
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