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351W VALVE QUESTION

  • Thread starter Thread starter danny clemens
  • Start date Start date Nov 28, 2006
D

danny clemens

Member
May 4, 2005
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Nov 28, 2006
#1
  • Nov 28, 2006
  • #1
I have a pair of 69 W heads that need reworked. Instead of putting in new valve guides are there any valves that have a wider stem that would work after machining the guides out? I'd like a valves a little bigger than stock.
 
G

gsxrken

Member
Sep 12, 2005
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Weschester County, NY
Nov 28, 2006
#2
  • Nov 28, 2006
  • #2
Can't say I've seen them. But a set of valves has to be more than new guides, right? And you'd want to clean up the valve seat for new valves anyway so you still are machining. I'd save money somewhere else.
 

Max Power

Active Member
Jul 31, 2003
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St Paul
Nov 29, 2006
#3
  • Nov 29, 2006
  • #3
You want bigger valves for the valve faces, not fatter stems. Fatter stems will actually reduce flow.
 
B

brin0357

New Member
Jan 26, 2006
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Nov 29, 2006
#4
  • Nov 29, 2006
  • #4
Thats why some valves are machined towards the bottom of the stem (at the valve) for increased flow. 1.94 in 1.6 ex are the biggest you can run on windsors.
 
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bnickel

Founding Member
Aug 21, 2002
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lubbock, texas
Nov 29, 2006
#5
  • Nov 29, 2006
  • #5
brin0357 said:
Thats why some valves are machined towards the bottom of the stem (at the valve) for increased flow. 1.94 in 1.6 ex are the biggest you can run on windsors.
Click to expand...


you can run a 2.02/1.60 but you'd have to notch the pistons, unless you use the TFS twisted wedge heads.
 
B

brin0357

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Jan 26, 2006
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#6
  • Nov 29, 2006
  • #6
Would there be enough seperation between the valves to run a 2.02 inch intake?
 
D

danny clemens

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May 4, 2005
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Nov 29, 2006
#7
  • Nov 29, 2006
  • #7
The 1.94 and 1.6 is what I had in mind. I guess bigger valve stems are not the way to go to keep from putting in new guides. Thanks for the answers.
 
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