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Upgrading valve spring question

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Old Jun 7, 2015 | 07:31 AM
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Default Upgrading valve spring question

I have Texas speed heads that came with prc1518 valve springs and I run a 228r cam, after reading about an unfortunate failure with prc 1518 springs with a 228r cam, I'm going to upgrade.
What is the best choice? Some people jump to a double spring becuase of the added security of the second spring. my understanding is that the downside of double springs are increased weight of the valvetrain and increased seat pressure.
the second option is upgrading to a very high quality single beehive spring such as the Psi1511ml.
What are your thoughts?
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Old Jun 7, 2015 | 07:34 AM
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My thought I would use BTR platinum springs. Great parts and good customer service.
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Old Jun 7, 2015 | 07:43 AM
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I'm trying out Comp's new conical springs on a set of 799 heads. They're a super light single spring but with pressure like a dual spring.
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Old Jun 7, 2015 | 09:48 AM
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Every vendor can have a bad batch of springs. You still see people avoiding comp 918 for stuff they went through years ago with a bad heat (batch) of wire from the mill that rolled it. Just don't assume yours are bad simply based on someone else breaking a spring.

If you're not getting valve float or beating the motor too hard, you'll be ok. If you're that worried about it BTR duals are good, lunati is good
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Old Jun 7, 2015 | 11:29 AM
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I bought PSI 1511 for my build but I plan on a Cam Motion cam that is easy on springs. PSI 1511 has never had a documented failure; they may go soft but they don't break.
For the TSP 228r with it's XE-R lobes, I would run the BTR platinum duals . Ti retainer if you can afford them. They also have never had a documented failure.
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Old Jun 7, 2015 | 11:31 AM
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single springs SUCK
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Old Jun 7, 2015 | 12:56 PM
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Originally Posted by squalor
I bought PSI 1511 for my build but I plan on a Cam Motion cam that is easy on springs. PSI 1511 has never had a documented failure; they may go soft but they don't break.
For the TSP 228r with it's XE-R lobes, I would run the BTR platinum duals . Ti retainer if you can afford them. They also have never had a documented failure.
why do you recommend the btr dual springs for my cam vs the Psi single springs?
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Old Jun 7, 2015 | 03:53 PM
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Originally Posted by mikesimpalass
why do you recommend the btr dual springs for my cam vs the Psi single springs?
Because I don't want you to be the next unfortunate failure. XE-R lobes can be tough on springs. They do make power, they do raise your dynamic compression. You could do PSI 1511ml (they don't suck) but with any spring, you'll have to check spring pressures often with those lobes.

Last edited by squalor; Jun 7, 2015 at 03:59 PM.
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Old Jun 7, 2015 | 04:27 PM
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Dual springs save motors. Enough said!!
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Old Jun 7, 2015 | 05:20 PM
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after my spring broke, Texas Speed offered to send me a set of their dual springs. I am running those and will report back once I have some miles on the setup.
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Old Jun 7, 2015 | 08:04 PM
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Originally Posted by squalor
Because I don't want you to be the next unfortunate failure. XE-R lobes can be tough on springs. They do make power, they do raise your dynamic compression. You could do PSI 1511ml (they don't suck) but with any spring, you'll have to check spring pressures often with those lobes.
Thanks for the advive, after much consideration I am leaning towards the btr platinum dual springs. Valve springs are a relatively inexpensive part, but when they fail, there are some severe consequences. While I'm in there I think I'm gonna do the trunion upgrade on my rockers too.
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Old Jun 7, 2015 | 08:33 PM
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I did the btr platinum springs and the rocker bearing kit from btr as well with my SNS stage 2 cam. I have just about no valve train noise. Highly recommend BTR.
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