Steve Bown - PSI Valve Springs

speedtalk · Posted: Thu May 13, 2004 9:13 pm Post subject: Steve Bown - PSI Valve Springs

Steve Bown has agreed to come on the show. Questions for Steve can be posted below.
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rmbuilder · Posted: Mon May 17, 2004 4:20 pm Post subject:

Don,
When is the interview?
I want to put together a list of questions.
Bob

speedtalk · Posted: Mon May 17, 2004 11:33 pm Post subject:

I'd say a week or so. Thanks for your input Bob.
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rmbuilder · Posted: Thu May 27, 2004 3:27 pm Post subject:

Steve Brown,
2) If you have a spring that is the correct rate but it has an OD that is smaller than the spring pocket are locators necessary? What do you suggest?
3) How do you determine the fuss points or surge frequency points?
4) How do we obtain the premium springs (which generally have very high pressures and rates) for profiles requiring less pressure? For example, in a marine application for a BBC I may have a hyd roller cam 236*/242*@.050 and .610/.620 lift. Not a radical cam. Only requires 140# seat and 340# open, but I will run it for say 45 min at 5000 RPM. I need a bulletproof endurance spring but the competition parts don’t usually come at those rates. What are the alternatives? Special orders? What is a minimun run for a special order diameter/rate
5) What can be done to increase fatigue resistance? Coating/polish?

speedtalk · Posted: Thu May 27, 2004 8:08 pm Post subject:

Thanks Steve
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speedtalk · Posted: Thu Jun 03, 2004 9:26 am Post subject:

Interview is scheduled for next Tue.
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tk · Posted: Mon Jun 07, 2004 9:44 pm Post subject:

Can anyone order dirrect from PSI and whats the minimum order for a custom spring ?

What are the best quality materials for springs that don't loose pressure?
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speedtalk · Posted: Mon Jun 07, 2004 10:55 pm Post subject:

Thanks Tom, I'll add them to the list.
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speedtalk · Posted: Tue Jun 08, 2004 3:49 pm Post subject:

Interview went well today. I think I got everyone's questions asked. It will broadcast on 6/25
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rmbuilder · Posted: Fri Jun 25, 2004 1:52 pm Post subject:

Don,
Has the Steve Brown/PSI interview been rescheduled?
Thanks,
Bob

speedtalk · Posted: Fri Jun 25, 2004 3:03 pm Post subject:

My screw up. I'll run it on 7/2. Sorry about that.
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tk · Posted: Fri Jun 25, 2004 7:38 pm Post subject: