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Generation III Internal Engine
Rocker Arm Clearance

Generation III Internal Engine 1997-2006 LS1 | LS6

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Rocker Arm Clearance

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Old

Jun 24, 2018 | 08:18 PM

#1

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Rocker Arm Clearance

Do I need to clearance my stock (trunion upgraded) rockers if I am running the large double valve springs?

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Jun 24, 2018 | 10:50 PM

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The outer spring should have same OD as a single spring as they fit the same pocket. So no, you should not have to clearance the rocker. Thousands of dual spring kits are in use with stock rockers.

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Jun 25, 2018 | 08:04 AM

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okay, I just came across this while looking around LS1HowTo and i was wondering

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Jun 25, 2018 | 10:12 AM

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Are the springs you're using larger OD than stock?

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Jun 25, 2018 | 10:33 AM

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Quote:

Originally Posted by L33

okay, I just came across this while looking around LS1HowTo and i was wondering

Most dual spring kits on the market are 1.3xx” diameter. The 1.43” diameter spring the picture said it was clearanced for will not usually fit a stock spring pocket.

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Jun 25, 2018 | 10:37 AM

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In the pic it says for a 1.43" spring, are you running a 1.43" spring???

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Originally Posted by L33

okay, I just came across this while looking around LS1HowTo and i was wondering

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