For new rockers do I need to change my push rods?
Thread Starter
Joined: Jul 2002
Posts: 230
Likes: 1
From: Smithfield, VA
Car: 85 Tojan
Engine: ZZ4
Transmission: T56
Axle/Gears: 9", 3.50
For new rockers do I need to change my push rods?
I'm swapping the stock 1.5 rockers on my ZZ4 for some GMPP full roller 1.6 ratio rockers. Do I need to worry about push rod length changing? Thanks
Joined: Aug 2002
Posts: 368
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From: Calvert Co. Maryland
Car: 91z28
Engine: 5.7 l98
Transmission: AT :(
Re: For new rockers do I need to change my push rods?
im going to a 1.6 proform full roller from stock 1.5. is this the same issue as above?
just use the stock 7.2's?
-Tony
just use the stock 7.2's?
-Tony
Supreme Member
Joined: Sep 1999
Posts: 7,072
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From: Philly, PA
Re: For new rockers do I need to change my push rods?
Most rockers the pushrod cup is in the same position as stock, regardless of what the outward appearance of the rocker might be.
In most cases, the answer is no, you don't need different length sticks if rocker arms are the only change you are making.
In most cases, the answer is no, you don't need different length sticks if rocker arms are the only change you are making.
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: For new rockers do I need to change my push rods?
Yes, same case. No, no need for different pushrods.
If you're going to a bigger cam as well, maybe measure your pushrod length, but you should be VERY close to what you need with the stock length.
If you're going to a bigger cam as well, maybe measure your pushrod length, but you should be VERY close to what you need with the stock length.
Last edited by Sonix; Jun 3, 2007 at 08:54 PM. Reason: clarity
Joined: Aug 2002
Posts: 368
Likes: 0
From: Calvert Co. Maryland
Car: 91z28
Engine: 5.7 l98
Transmission: AT :(
Re: For new rockers do I need to change my push rods?
Thanks fella's, I thought that they would use the same length, but had a little bit of uncertanty. Thanks for clearing that up.
-Tony
-Tony
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