Rocker Arms

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Oct 28, 2006 | 10:16 AM

toupstrio

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Burning Brakes

Joined: Aug 2005

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From: Lufkin Texas

Rocker Arms

What is the differance between 1.5 and 1.6 rocker arms? How would I know whats better for me?

Oct 28, 2006 | 10:34 AM

Little Mouse

Le Mans Master

Joined: Apr 2006

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you will have to change pushrods to go with 1.6.
if you have say a lobe lift on your cam of 310 X 1.5=
4.65 lift same lobe lift 310 X 1.6 = 4.96 lift. if you
have an older factory cam with low lift the 1.6 rocker
would be more help then if you have a more modern high
lift cam.

Oct 28, 2006 | 10:36 AM

toupstrio

Thread Starter

Burning Brakes

Joined: Aug 2005

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From: Lufkin Texas

Quote:

Originally Posted by Little Mouse

Ok maybe you can help I am putting the comp cam xe268h in with vortec heads that have been reworked with larger valves and springs should I go with the 1.5 or 1.6 and buy new pushrods?

Oct 28, 2006 | 10:40 AM

Little Mouse

Le Mans Master

Joined: Apr 2006

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I believe the vortec heads are limited to 480 lift I think you
will be over your lift limit with a 1.6 rocker. did they modify
the heads fo more lift ?? I think that cam has around a 465
lift with a 1.5 rocker.

Last edited by Little Mouse; Oct 28, 2006 at 10:43 AM.

Oct 28, 2006 | 10:46 AM

toupstrio

Thread Starter

Burning Brakes

Joined: Aug 2005

Posts: 751

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From: Lufkin Texas

Quote:

Originally Posted by Little Mouse

Yes new springs good up to 510 lift I would like to stay with the stock rocker arms are maybe some roller rockers if i can go with the 1.5 i will i was just curious if 1.5 would be ok.