TwinTurbo.NET: Nissan 300ZX forum - less reciprocating mass per valve
Subject
less reciprocating mass per valve
Posted by
PhishZ
on December 19, 2004 at 9:47 PM
This message has been viewed
32
times.
In Reply To
how is it more efficient? (n/m)
posted by SactoTodd
on December 19, 2004 at 09:43 PM
Message
albeit more total mass. Also offers greater flexibility in terms of valve timing. 'efficient' is not the best term to describe dohc advantage, but not completely incorrect.
Follow Ups
dual overhead cam?
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300zer
21:24:05 12/19/04
you have 4 = quad (n/m)
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Zluster(DFW)
21:25:17 12/19/04
so..
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300zer
21:30:28 12/19/04
You have a dual DOHC, v6 (n/m)
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KaZ (VaBch)
21:42:08 12/19/04
lol (n/m)
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BradZ (FL)
21:28:30 12/19/04
DOHC=2 cams above the cylinder
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BOOZTD 3
21:29:25 12/19/04
so the prelude is 2 cam and my z is 4 cam? (n/m)
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300zer
21:32:51 12/19/04
you have 2 cams for each side of the V(head)
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Zluster(DFW)
21:36:14 12/19/04
yes 2 for each side of the block.. (n/m)
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mxsprocket1
21:36:54 12/19/04
lol (n/m)
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90BlkZ18
21:42:55 12/19/04
the preludes 4 cylinders are lined up in one row
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BoostLesZ
11:29:53 12/20/04
how is it more efficient? (n/m)
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SactoTodd
21:43:12 12/19/04
less reciprocating mass per valve -
PhishZ
21:47:53 12/19/04
How does mass per valve come into play?
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SactoTodd
21:56:12 12/19/04
Not talking about friction
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PhishZ
22:11:41 12/19/04
you even have your own "vtec" (n/m)
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Z_animal
22:02:55 12/19/04
what? (n/m)
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300zer
22:17:56 12/19/04
You're both idiots. (n/m)
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Tissan©
22:19:20 12/19/04
who? (n/m)
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Kurt(Miami)
22:29:09 12/19/04
Z has variable valve timing
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PhishZ
22:30:14 12/19/04
He wont understand any of that, but +2 for effort (n/m)
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Tissan©
22:34:54 12/19/04
lol (n/m)
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PhishZ
22:37:40 12/19/04
Honda's vtec couldn't move the cams until only recently
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jkperformance
23:01:07 12/19/04
gotta love it! nice post dude (n/m)
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90BlkZ18
23:04:14 12/19/04
nice info
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PhishZ
23:06:54 12/19/04
they really do...i just need to get around to building up
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jkperformance
23:14:10 12/19/04
Good post, one thing to note...
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BOOZTD 3
23:24:18 12/19/04
or if the engine isn't warm... (n/m)
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xZeler8
02:38:29 12/20/04
i knew i'd forget to mention one... oops, thanks though! (n/m)
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jkperformance
09:19:30 12/20/04
no problem man! (n/m)
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BOOZTD 3
05:47:23 12/21/04
sounds like two ricer boys at it as usual
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College Boy
22:24:26 12/19/04
Had a japenese kid tell me that one turbo owns all
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Tissan©
22:28:57 12/19/04
nice! haha (n/m)
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College Boy
22:43:46 12/19/04
he's a complete ricer i can't stand ricers (n/m)
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300zer
22:41:22 12/19/04
Re: he's a complete ricer i can't stand ricers
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300zer
22:43:26 12/19/04
lol (n/m)
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College Boy
22:44:06 12/19/04
find new friends
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PhishZ
22:50:27 12/19/04
same here (n/m)
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College Boy
23:00:00 12/19/04
not much rice here
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90BlkZ18
23:08:49 12/19/04
domestic guys can be annoying too
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PhishZ
23:33:00 12/19/04
Yes. Move along. (n/m)
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YugoBernie (NoVA)
23:03:32 12/19/04
yes. + RWD>FWD. (n/m)
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BoostLesZ
11:08:21 12/20/04
Re: dual overhead cam?
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Z32_
14:57:26 12/20/04
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