how to convert 4g93 SOHC to 4g93 DOHC?
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  Dec 31 2009, 12:29 AM, updated 16y ago
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#1
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Junior Member
49 posts Joined: Jan 2006 From: Bangi  
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How to convert 4G93 SOHC to 4G93 DOHC??pliz help me...
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Dec 31 2009, 12:48 AM
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#2
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Senior Member
3,827 posts Joined: Jan 2003 From: Here On The Chair Status : Eating Donut 
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u need dohc head,belt tensioner...make sure u get the temostat cover...and need to get the water pipe for dohc since its diff from sohc...
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Dec 31 2009, 12:52 AM
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#3
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Junior Member
49 posts Joined: Jan 2006 From: Bangi
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can show me some pics?..sory..im still a beginner..huhu..how to know which 1 is SOHC and DOHC?
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Dec 31 2009, 01:14 AM
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#4
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Senior Member
932 posts Joined: Sep 2008
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Written on the head cover
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Dec 31 2009, 01:15 AM
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#5
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Senior Member
861 posts Joined: Dec 2007 From: Bangsar
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Big head n Small head
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Dec 31 2009, 01:21 AM
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#6
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Junior Member
49 posts Joined: Jan 2006 From: Bangi
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oo..other modification?or just change engine head?
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Dec 31 2009, 03:04 AM
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#7
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Senior Member
10,975 posts Joined: Jan 2003 From: disini disana
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sohc no good meh??
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Dec 31 2009, 08:48 AM
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#8
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Senior Member
1,160 posts Joined: Oct 2006 From: maddriversgarage, where else?
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lots of parts need to be changed......
1. cam angle sensor 2. ignitor and coil packs 3. plug cables 4. throttle body 5. wiring 6. ecu etc...... too many parts to change, and as far as performance gains go, not worth the money........... better to just mod the single cam engine with all that money....... more power gains....... |
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Dec 31 2009, 10:27 AM
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#9
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Senior Member
1,352 posts Joined: Mar 2008 From: Kuala Lumpur/Serdang/Sg. Buloh,sometimes Serian
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QUOTE(maddriver @ Dec 31 2009, 08:48 AM) lots of parts need to be changed...... Yup..and the best thing sohc has better top speed, rather than just pick-up for dohc.1. cam angle sensor 2. ignitor and coil packs 3. plug cables 4. throttle body 5. wiring 6. ecu etc...... too many parts to change, and as far as performance gains go, not worth the money........... better to just mod the single cam engine with all that money....... more power gains.......  |
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Dec 31 2009, 10:33 AM
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Senior Member
1,024 posts Joined: Jan 2007 From: Kajang
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QUOTE(b48753 @ Dec 31 2009, 10:27 AM) Yup..and the best thing sohc has better top speed, rather than just pick-up for dohc. i thot the other other way around. since sohc is lighter..can create more torque at low engine speed.  |
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Dec 31 2009, 11:59 AM
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Junior Member
49 posts Joined: Jan 2006 From: Bangi
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oo..dohc just for pick up ea?..
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Dec 31 2009, 12:21 PM
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Senior Member
1,189 posts Joined: Sep 2006
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like this la, you sell to me your 4g93 sohc, and you buy a 4g93 dohc. hehe
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Dec 31 2009, 12:28 PM
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All Stars
19,321 posts Joined: Jan 2003 From: Klang
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DOHC got low and high end so can easily tune
SOHC you need to compromise |
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Dec 31 2009, 12:31 PM
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Senior Member
6,724 posts Joined: Jan 2003 From: Seri Petaling 
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QUOTE(b48753 @ Dec 31 2009, 10:27 AM) Yup..and the best thing sohc has better top speed, rather than just pick-up for dohc. i think it is the other way round la.. single cam lighter and less 1 cam friction but kinda suffocate when going high speed..thats y u c underpowered car or city car mostly use sohc as in honda city and civic 1.8 as well as accord 2.0.. anyone care to correct me? |
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Dec 31 2009, 03:57 PM
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Senior Member
3,827 posts Joined: Jan 2003 From: Here On The Chair Status : Eating Donut
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QUOTE(maddriver @ Dec 31 2009, 08:48 AM) lots of parts need to be changed...... u sure or not?..no 1 just change 4g91 carbie distributor oni...no 2 no need change...no 4 no need...no 5 no need...no 6 no need...1. cam angle sensor 2. ignitor and coil packs 3. plug cables 4. throttle body 5. wiring 6. ecu etc...... too many parts to change, and as far as performance gains go, not worth the money........... better to just mod the single cam engine with all that money....... more power gains.......  |
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Jan 1 2010, 07:49 AM
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Senior Member
1,160 posts Joined: Oct 2006 From: maddriversgarage, where else?
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QUOTE(Oly @ Dec 31 2009, 06:57 PM) u sure or not?..no 1 just change 4g91 carbie distributor oni...no 2 no need change...no 4 no need...no 5 no need...no 6 no need... i was highlighting the difference between sohc and dohc heads............. go take a look at the putra head and u'll know what i mean......... |
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Jan 1 2010, 10:59 AM
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Senior Member
3,092 posts Joined: Nov 2007 From: |{µð£ð £µmPµ®
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QUOTE(b48753 @ Dec 31 2009, 10:27 AM) Yup..and the best thing sohc has better top speed, rather than just pick-up for dohc. was the other way round. auto waja with sohc engine change gear in relatively low rpm while dohc can be easily tune up for both. |
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Jan 1 2010, 05:31 PM
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Senior Member
3,827 posts Joined: Jan 2003 From: Here On The Chair Status : Eating Donut
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QUOTE(maddriver @ Jan 1 2010, 07:49 AM) i was highlighting the difference between sohc and dohc heads............. go take a look at the putra head and u'll know what i mean......... that was the part...not the head...and u dont have to change all the part that u listed to use dohc head... |
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Jan 2 2010, 12:45 AM
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Junior Member
49 posts Joined: Jan 2006 From: Bangi
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oo..cost for converting?
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Jan 2 2010, 05:30 AM
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Senior Member
3,827 posts Joined: Jan 2003 From: Here On The Chair Status : Eating Donut
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u need at least 2k for all the part...
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Jan 2 2010, 10:23 AM
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Senior Member
7,842 posts Joined: Sep 2004 From: Pandan Jaya,KL
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QUOTE(b48753 @ Dec 31 2009, 10:27 AM) Yup..and the best thing sohc has better top speed, rather than just pick-up for dohc. Err.. I think you get it midunderstanding. SOHC got better in pick up which DOHC is good in top speed. |
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