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Old 12-19-2011, 02:03 PM   #586
reid-o
Scooby Specialist
 
Member#: 103631
Join Date: Dec 2005
Location: Mililani, Hawaii
Vehicle:
2004 STI
Black

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Quote:
Originally Posted by Maxwell Power View Post
he was on a tighter budget before and used POS BC Valves and springs. By POS, I mean COMPLETE PIECE OF ****. Those parts are so substandard that it blows my mind that anyone even uses them. I didn't know how bad they were when we first started using them, but after more experience with them... yuck. Plus, regular stainless exhaust vales is a bad idea anyway on a car making this much power. I'll only run Ferrea Stainless exhaust valves and even then I won't run them on anything more than 30R.
Thanks
I've been making trips down to the machine shop and was told that the spring pressure (BCs) also doesn't always match advertised spec. Good to know.
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