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Generation IV External Engine
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PAC-1211X vs PAC-1518

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Old 03-29-2012, 06:06 PM   #1
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Default PAC-1211X vs PAC-1518

http://www.racingsprings.com/Store/P...?ProductID=812
http://www.racingsprings.com/Multime...210X_1211X.pdf

This is the spring my installer and builder are recommending I get. I had a sponsor do a custom cam spec and they recommended at 231/238 .598/.585 with HUC/XE lobes. 6600 shift and 6800 limiter in my LS3 build.

I know the defacto standard on beehive seems to be 1518, but how do you think the 1211x compres to the 1518?
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Old 03-29-2012, 06:06 PM
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1211, 1211x, 1518, beehive, ls1, ls1tech, ls7, pac, pac1211x, pac1518, pac5167, review, spring, springs, tech


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