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  1. 23-01-2008 05:55 PM #1
    dsp26
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    REVIEW: Aftermarket Coils, Plug gapping, Leads

    Disclaimer: The following are provided as a GUIDE ONLY, and neither myself. nor the original writer, nor Ozhonda take any responsibility for the outcomes of someone else doing the following. You follow these steps at your own risk!

    Posted this a few times in completely irrelevant threads so i thought i'd put it here along with parts sources:

    ***********************
    SOURCES
    ***********************
    LX91 Crane Cams Coil - AU$105
    http://www.gccorp.com.au/automotive/...roducts_id=167
    Picture - http://img.photobucket.com/albums/v2...ngsBracket.jpg


    External Coil Dizzy Setup (Clear) - US$29+shipping
    http://cgi.ebay.com/ebaymotors/99-00...mZ250208986635
    Picture - http://img.photobucket.com/albums/v2...zyandLeads.jpg



    NGK Iridium Plugs x4 (BKR6EIX-11: 6 Heat, 1.1mm factory gap)
    +
    VISION MOTORWORKS 10.2mm Low Impedance Triple core leads
    http://cgi.ebay.com/92-95-HONDA-CIVI...QQcmdZViewItem
    Picture - http://img.photobucket.com/albums/v2...zyandLeads.jpg


    Adjustable Fuel Pressure Regulator - US$34.95
    http://cgi.ebay.com/ebaymotors/92-95...mZ250207954746
    Picture - http://img.photobucket.com/albums/v2...nance/AFPR.jpg


    Fuel Pressure Gauge (Fuel Filter Mount) - US$17.95
    http://cgi.ebay.com/ebaymotors/92-95...mZ250208921319
    Picture - http://img.photobucket.com/albums/v2...e/FPRGauge.jpg


    Bracket from Bunnings - $3
    Picture - http://img.photobucket.com/albums/v2...ngsBracket.jpg




    ***********************
    SETUP
    ***********************
    Engine: B16a2
    CR: 10.4:1 (Stock)
    Cams: Stock
    Plugs: NGK Iridium BKR6EIX
    Fuel pressure: 32psi (stock is 38psi) Vacuum on
    Timing: 17* adv
    Coil: Crane Cams LX91

    ***********************
    TESTS
    ***********************
    Leads: VISION 10mm Triple Core
    Plug Gap: 2mm
    Fuel: 98oct BP
    Result: VERY crisp response, deeper engine/exhaust noise. Slight misfires on load on steep inclines in high cam lobe.. and i mean SLIGHT.... Happens 1 in roughly 5 times going WOT to redline from around 3000rpm

    Leads: VISION 10.2mm Triple Core
    Plug Gap: 2mm
    Fuel: 95oct Caltex
    Result: As above but no misfires

    Leads: VISION 10.2mm Triple Core
    Plug Gap: 1.8mm
    Fuel 98oct Caltex
    Result: All sweet. As above and what i will be staying on...

    Leads: NGK 9mm
    Plug Gap: 1.7mm
    Fuel 98oct BP
    Result: slight misfires on heavy incline load at high cam lobe

    Leads: NGK 9mm
    Plug Gap: 1.5mm
    Fuel 98oct BP
    Result: noticable response increase an smoothness

    ***********************
    OTHERS
    ***********************
    COIL: OEM
    Leads: NGK 9mm
    Plug Gap: 1.5mm
    Fuel 98oct BP
    Result: runs fine

    COIL: MSD Blaster SS (Red Box and Cylinder Design)
    Leads: NGK 9mm
    Plug Gap: 1.3mm
    Fuel 98oct BP
    Result: Misfires on slight load on high cam
    Last edited by dsp26; 23-01-2008 at 06:31 PM.
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
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  2. 23-01-2008 07:00 PM #2
    dsp26
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    Just in addition as i've been asked a few questions regarding the gapping of the plugs... you can only do this if you have aftermarket coils.

    1.3mm max on oem if you wanna try it...
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
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  3. 23-01-2008 08:07 PM #3
    dsp26
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    also reason i did this to my B16a is because the following setup yielded 4wkw on the same dyno for my SR20 totalling 98wkw (Intake,Header,Exhaust, 10.8:1 CR, 19* timing).

    There are definite noticable gains but I'm not going to bother dyno-ing my setup as i don't have a stock baseline, i will just goto a dyno day and compare with others of similar setup....

    Coil: LX91
    Fuel pressure increased to ~40-42psi from 38psi

    Only reason i actually decreased fuel pressure on my B16a setup instead of increasing it is because the dodgy eBay spoon chip I installe made me rich all round... getting it fined tuned though through weekly observation and i'm pretty set between 34-36psi.

    30-32psi was running me lean according to what my spark plugs looked like after some hard driving.. but 38-40psi was too rich also obvious from my plugs looks.
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
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  4. 30-01-2008 07:16 AM #4
    kayot1k
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    .... i will just goto a dyno day and compare with others of similar setup....

    bad move my friend
    to you

    OzHONDA FTL
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  5. 30-01-2008 08:28 AM #5
    dsp26
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    Quote Originally Posted by kayot1k View Post
    .... i will just goto a dyno day and compare with others of similar setup....

    bad move my friend
    how come?

    i have no other way of getting my true increases coz i didn't do a baseline run.. this is what i deemed to be the best idea.

    what i meant by similar setup is everything else minus the ignition stuff...

    is there any other way apart from me pulling it all apart and putting back on and costing me $100 on dyno time for 2 seperate days?... thats just too much for me and it's summer
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
    Reply With Quote Reply With Quote
  6. 29-08-2009 07:34 PM #6
    beeza
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    Anymore updates on this dsp?

    Have you been trying a few things?

    Even though there's not a lot to gain from this in terms of power,it's certainly good to know what your car likes and therefore keep her running smooth.

    I really enjoyed your input on this before.
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  7. 29-08-2009 07:36 PM #7
    bennjamin
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    perhaps even indexing plugs would be more relevant to unhitching detonation. But all in all , all the above is extremely minor in the scheme of tuning things
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  8. 29-08-2009 07:47 PM #8
    beeza
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    Quote Originally Posted by bennjamin View Post
    perhaps even indexing plugs would be more relevant to unhitching detonation. But all in all , all the above is extremely minor in the scheme of tuning things
    True true,

    I just re-installed the MSD ignition system and was wanting to give it every chance to have it performing at it's best.
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  9. 31-08-2009 12:26 AM #9
    dsp26
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    Quote Originally Posted by beeza View Post
    True true,

    I just re-installed the MSD ignition system and was wanting to give it every chance to have it performing at it's best.
    sorry mate the cars log gone. Limbo has since installed my old setup into his boosted B16.. he maybe able to provide more input.

    my hOOnda days are over sorry to say.. had to get a family car and just got a house :/ after spending over $20k on this honda project i ended up selling it for $5k
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
    Reply With Quote Reply With Quote
  10. 31-08-2009 12:31 AM #10
    dsp26
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    Quote Originally Posted by bennjamin View Post
    perhaps even indexing plugs would be more relevant to unhitching detonation. But all in all , all the above is extremely minor in the scheme of tuning things
    i know of someone who had a shop do this to a 2ZZGE motor using those kits you can buy.. there were very minor power differences which the shop was puting down to dyno variation. apparently won't do much for modern high comp motors... but also apparently worked better with proven gains on the older v8's with the shitty combustion chambers.

    pretty expensive kit for nothing more than very thin looking washers for spark plugs :/
    Quote Originally Posted by Slow96GSR
    If 1 person has had bad luck with a product don’t condemn it until you yourself have tested it. Now if 10 pros have tried it and it sucked then I would trust their opinion.
    Reply With Quote Reply With Quote
  11. 31-08-2009 04:07 PM #11
    beeza
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    Quote Originally Posted by dsp26 View Post
    sorry mate the cars log gone. Limbo has since installed my old setup into his boosted B16.. he maybe able to provide more input.

    my hOOnda days are over sorry to say.. had to get a family car and just got a house :/ after spending over $20k on this honda project i ended up selling it for $5k
    Sounds about right,it's a labour of love

    Cheers dsp
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