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SI valves...any good?

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Old

Apr 16, 2014 | 01:18 PM

#1

pogo69

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

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Old

Apr 16, 2014 | 02:08 PM

#2

don71

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.

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Old

Apr 17, 2014 | 04:53 PM

#3

pogo69

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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