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12-22-2012
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#1 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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4 cam , but always called DOHC ( dual cam ) ... please explain ---
This is definitely a newb question, but I am curious why the engine says "4 cam" , but I always see people refer to this engine as DOHC ( dual overhead cam ). Dual = 2 ... see my confusion? HAHAH
I am sure there is an easy answer, thanks for the time and help ... I will be researching a lot when the holidays pass , right now work is SLAMMED!!!  ---
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12-22-2012
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#2 |
 
Join Date: Feb 2006
Location: San Antonio area
Posts: 1,179
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
tell us what code390 is first ... Oh what the h3ll, two cams per head, two heads per engine.
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“Buy the best example of what you want, and pay whatever it takes. That way, you cry only once.” ~ Bruce Meyer |
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12-22-2012
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#3 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
Is that typical of the DOHC engines to have 2 per head, not just 2 per engine?
Thanks  ---
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12-22-2012
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#4 |
 Join Date: Jul 2004
Location: Sudbury, Ontario. Canada
Posts: 1,538
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
That's what DOHC means - Dual Over-head Cam - 2 cams "over" the head. If it were an inline engine it could still be DOHC and only have 2 cams, on a V - 2 heads, 2 cams per head i.e. 4
If an engine only had one came per head it would be a SOHC - Single overhead cam engine. This was the set up on the Jaguar V12 for example which the LT5 designers "borrowed" quite a bit from. Dave
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1991 #1516 Black/Black davidmkelly.com "Speed is often confused with insight." - Johan Cruijff |
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12-22-2012
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#5 |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
OK, that makes sense ... I think its the "over" the head that got me ---
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12-22-2012
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#6 |
  
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
Ok, what's code390 mean??????
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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12-22-2012
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#7 |
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Join Date: Jan 2011
Location: Dubai, United Arab Emirates
Posts: 449
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
If memory serves when I was in the Cop business it was radio code for Drunk or under the influence but not violent. Perhaps he is making a play on words that he likes the sauce a bit?
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12-22-2012
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#8 |
Join Date: Sep 2012
Location: Rockwall, Tx
Posts: 1,510
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
It's also the diagnostic code for Rheumatic fever...
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12-22-2012
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#9 | |
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Join Date: Dec 2012
Location: STL
Posts: 492
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
Quote:
Thanks for the knowledge guys ... I appreciate it --- |
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12-22-2012
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#10 | |
 
Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,207
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Re: 4 cam , but always called DOHC ( dual cam ) ... please explain ---
Quote:
It's all over my head  Conventions are like that. They may be obtuse but many are. I'd like to meet and talk to the guy that decided Feb gets 28 or 29 days but other months have 31. You'd think they'd be split differently. Ah, conventions. I would have made it DOCC - double over cylinder cam or QTCC - quad total cam count or THFC - two heads four cams or or or
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Scott  Vett owner since 1979._It's about the car and the people |
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