67-330 rockers

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Old

Mar 18, 2017 | 06:24 AM

#1

brianbeez67

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Posts: 269

67-330 rockers

I'm trying to match camshaft specs (that ref valve lift with 1.7 rockers) to Olds 330 factory rockers. Does anyone know the factory rocker spec ? Any help is great?

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Old

Mar 18, 2017 | 06:52 AM

#2

joe_padavano

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Joined: Mar 2007

Posts: 50,815

From: Northern VA

Quote:

Originally Posted by brianbeez67

I'm trying to match camshaft specs (that ref valve lift with 1.7 rockers) to Olds 330 factory rockers. Does anyone know the factory rocker spec ? Any help is great?

Factory Olds rockers are 1.6:1

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Old

Mar 18, 2017 | 07:40 AM

#3

brianbeez67

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Posts: 269

Thanks Joe I will run with that for now with trying to gat the correct camshaft, Looked at comp cams 268h but they gave the 1.7 rocker value and was up in the air on it ? do you guys have any opinions ?

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Old

Mar 18, 2017 | 07:44 AM

#4

joe_padavano

Old(s) Fart

Joined: Mar 2007

Posts: 50,815

From: Northern VA

Quote:

Originally Posted by brianbeez67

Thanks Joe I will run with that for now with trying to gat the correct camshaft, Looked at comp cams 268h but they gave the 1.7 rocker value and was up in the air on it ? do you guys have any opinions ?

So 1.6/1.7 x published valve lift = your actual valve lift

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