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How Many Valves does a Stock Straight 6 Head Have 

 

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 Post subject: How Many Valves does a Stock Straight 6 Head Have
Posted: Mon Mar 05, 2007 12:31 am 
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Yeah What the Subject Says

How Many Valves does a Stock Straight 6 Head Have

 

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Posted: Mon Mar 05, 2007 12:32 am 
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i believe ford 6's have 12 valves

 

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Posted: Mon Mar 05, 2007 12:37 am 
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wow thanks for the fast reply

 

 

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Last edited by Falcon96kickass on Mon Mar 05, 2007 12:38 am, edited 1 time in total.

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Posted: Mon Mar 05, 2007 12:38 am 
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yeop 2 valves per cylinder, single overhead camshaft config
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Posted: Mon Mar 05, 2007 12:38 am 
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no worries,

 

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Posted: Mon Mar 05, 2007 12:45 am 
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So what are the valves for exactly, what they do?

Lol, c'mon I want to learnnnn.

 

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Posted: Mon Mar 05, 2007 12:55 am 
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Got google?
http://auto.howstuffworks.com/engine1.htm

 

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Posted: Mon Mar 05, 2007 1:11 am 
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Lol, ta.

 

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Posted: Mon Mar 05, 2007 2:38 am 
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Last edited by blackjack_original on Fri Jun 06, 2014 10:19 pm, edited 1 time in total.

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Posted: Mon Mar 05, 2007 8:48 am 
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So a stock head has 12 valves, so theres more on a mod head...right? :roll:

 

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Posted: Mon Mar 05, 2007 9:02 am 
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Slick wrote:
So a stock head has 12 valves, so theres more on a mod head...right? :roll:


yea it can double or sometimes even triple!

the best config i have seen is all valves on the inlet side and none on the exhaust side

 

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Posted: Mon Mar 05, 2007 9:21 am 
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I don't know if you are being sarcastic or are seriously mis informed but....

If you are talking the Ford I6 before the B series then your head has 12 valves, 2 per cylinder. One for intake one for exhaust. There was an outrageously expensive upgrade head that was double overhead cam and that was probably 24 valves (but I am not sure).

If your car came with 12 valves it would be nigh on impossible to add more valves as you would need to weld up not only valve guides but also the ports, etc, then try and get the new smaller valves to align with the cam....It would be impossible.

Some cars come stock with 3, 4 or 5 valves per cylinder. This means you would have say 2 intake valve to one exhaust valve, etc. You ALWAYS need at least one intake and one exhaust valve. The theory behind multiple smaller valves is a higher velocity, you can stagger the opening/closing times to get better swirl, etc and you can get a larger overall intake/exhaust flow as the smaller valve can 'fit' better in the head so you can cram more in there.

Hope this clears it up a little bit.

cheers
Scott

 

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Posted: Mon Mar 05, 2007 9:30 am 
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who are u refering to bein sarcastic or mis informed...me or the little boy?

 

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Posted: Mon Mar 05, 2007 9:32 am 
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Pulco wrote:
who are u refering to bein sarcastic or mis informed...me or the little boy?


You lol!

My cars got at least 17 valves that I am aware of, 12 in the head, 5 in the tyres...

Last edited by twr7cx on Mon Mar 05, 2007 9:37 am, edited 1 time in total.

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Posted: Mon Mar 05, 2007 9:35 am 
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well i guess im mis-informed then :D

 

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