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Old Feb 4, 2012 | 04:23 PM
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stock heads I'm installing a lingenfelter gt 1 cam 229/242/114 w .631/.631 whats the best kit I can get for about $500. I was looking at comps and prc. cant decide. thanks for the help
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Old Feb 4, 2012 | 04:25 PM
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I would recommend our PRC .650 dual spring kit, which will be able to handle that camshaft with ease.

Here is a link to the kit on our website.

http://www.texas-speed.com/p-474-pre...pring-kit.aspx
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Old Feb 4, 2012 | 04:28 PM
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Originally Posted by dw2000ta
stock heads I'm installing a lingenfelter gt 1 cam 229/242/114 w .631/.631 whats the best kit I can get for about $500. I was looking at comps and prc. cant decide. thanks for the help
Originally Posted by Aaron@Texas-Speed
I would recommend our PRC .650 dual spring kit, which will be able to handle that camshaft with ease.

Here is a link to the kit on our website.

http://www.texas-speed.com/p-474-pre...pring-kit.aspx
phone number for Texas speed?
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Old Feb 4, 2012 | 04:30 PM
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I went with the Lunati duals. Been great so far, and for $220 shipped you can't beat the price.
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Old Feb 4, 2012 | 04:32 PM
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Our phone number is 806-698-0365. Feel free to give me a call on Monday!
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Old Feb 4, 2012 | 05:05 PM
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yes the PRC .650 kit for $289 or PRC .675 kit for $350

both are good and come with titanium retainers instead of the steel retainers that the lunatis and some others..

keep your valvetrain light...
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Old Feb 4, 2012 | 05:20 PM
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the prc's are for 1.8 but stock is 1.7. what else is needed to fit those on stock ls1 heads
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Old Feb 4, 2012 | 05:24 PM
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and would it be smart to purchase new valve locks?
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Old Feb 4, 2012 | 06:31 PM
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bump ttt
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Old Feb 4, 2012 | 07:26 PM
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Texas speed PRC valve springs fit stock 1.7 rockers.. It's a whole kit, you don't need anything else
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Old Feb 4, 2012 | 09:24 PM
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This spring kit can be used with just about any rocker arm setup you decide to go with. This kit also installs with no modifications to your stock cylinder heads. Your stock locks will be fine, but if you lose some or feel like replacing the factory ones its a rather inexpensive purchase.
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Old Feb 4, 2012 | 10:28 PM
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Originally Posted by Burken01
yes the PRC .650 kit for $289 or PRC .675 kit for $350

both are good and come with titanium retainers instead of the steel retainers that the lunatis and some others..

keep your valvetrain light...
Right, the Lunati kit comes with tool steel retainers. They are extremely strong and fairly lightweight. Do you have actual weights for the two in question or are you just rattling off useless info? You are aware that titanium, while light, is an extremely soft metal. Some would choose a stronger valvetrain at the expense of a tiny increase in weight.
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Old Feb 4, 2012 | 10:46 PM
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well maybe i should have added "in my opinion" to it, but yes theres a few companies making tool steel retainers that are a few grams heavier than there titanium retainers.

I should have added that i also have the ZO6 valves which are lighter than regular valves, so titanium retainers will be the lightweight theme Im going with..

Tool steel retainers will last longer, they are more Daily Driver friendly, The titaniums usually get replaced once a year if your like me and do alot of spirited driving like i do..
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Old Feb 4, 2012 | 10:53 PM
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I'd like to see weight comparos between the most popular brands of retainers, and hear some of the engine builder's opinions on the effect on upper rpm engine operation and valvetrain stability.
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Old Feb 5, 2012 | 08:02 AM
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The PAC tool steel and TI retainers are only 2 grams different

The Lunati kit has proved to be a good performer. I have 2 of them

Tim
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Old Feb 5, 2012 | 08:12 AM
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that seems like a whole lot of lift for stock heads.
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