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Subject: Dohc vs TwinCam
Replies: 52 Views: 4372
yugo145 20.12.08 - 06:02am
Whats the difference between these two setups? In my opinion its the same, only differance between dohc and twincam is the 2nd cams haft degree angles! Whats your views??? 
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nadeemz 20.12.08 - 06:29am
same * +
rsi.xav 20.12.08 - 06:38am
Dohc is wat is says.. An engine wit double overhead cams haft configuration. In concept twincam is d same setup wit jst 1 lil diffrence.. D cams r identical twins! That means ud b able to swop them between intake nd exhaust witout makin a diffrence. * +
yugo145 20.12.08 - 07:02am
**So what gives the TwinCam an odd 15kW or so more power? With the DOHC the main cam has a s haft extending out the Head with a pulley and has interlocking gear to drive the 2nd/slave cam internally, both cams on the dohc then turns simultaneously. And with the TwinCam both cams hafts extend with 2 seperate pulleys externally but once again they turn simultaneously.. Both cases they are simultaneous * +
mikeymk 20.12.08 - 05:12pm
Rubbish. Its just two terms for the same thing. DOHC is just pointing out that they're mounted above the head. * +
yugo145 20.12.08 - 07:31pm
If its Rubbish then whats the 4AGE? It has 2x cams hafts bt it aint a TwinCam hey! Would it then be a SOHC or DOHC? I know an 8valve would be a SOHC but we're talking 16valve motor here... DOHC and TwinCam is similar but this topic is for the forum users to post the difference between them... * +
schizzo 20.12.08 - 08:10pm
Isnt twin cam motors always dohc,where would they put the second cam? To me its the same thing, double or twin, tomato , tamato ,just a diff term to tell you it has 2 cams and the 1.6 dohc ballade makes the same amount of power as a 4age in the rsi conquest * +
yugo145 20.12.08 - 09:49pm
**LoL why does the old TwinCam 160i (94/95 model or Baby Camry as they are also known) have more kW output than the 1998-2000 model Corrolla 160i which has a single cam pulley? Old corrolla 96kW and the 98/2000 model 79kW... Correct me if im wrong but why the odd 15kW difference? * +
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