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SI valves...any good?

Old Apr 16, 2014 | 01:18 PM
  #1  
pogo69's Avatar
Thread Starter
morgan
 
Joined: Mar 2011
Posts: 1,925
From: CT
SI valves...any good?

i'm looking at these SI portflow valves and they have a decent write up about them, has anyone used them? good or bad? I would be using them in a 455 stock application
Old Apr 16, 2014 | 02:08 PM
  #2  
don71's Avatar
same but different
 
Joined: Jun 2007
Posts: 2,968
From: Central Missouri
I have a full set installed on some heads for a future build. Not run yet. I don't anticipate any problems with them.
Old Apr 17, 2014 | 04:53 PM
  #3  
pogo69's Avatar
Thread Starter
morgan
 
Joined: Mar 2011
Posts: 1,925
From: CT
Thanks for the replies i think i will give them a try
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