New Push Rods
Thread Starter
Burning Brakes
Joined: Aug 2005
Posts: 751
Likes: 0
From: Lufkin Texas
New Push Rods
Is it common to get new push rods when a rebuild is taking place? Can I go with the stock ones? Do I need some extra hardened ones?
Specs
4 bolt main block bored 60 over
Vortec heads ported, polished new stainless 202 valves
should make 10:1 comp
edelbrock performer intake,holly 750
Comp cam & lifters xe 268h
Specs
4 bolt main block bored 60 over
Vortec heads ported, polished new stainless 202 valves
should make 10:1 comp
edelbrock performer intake,holly 750
Comp cam & lifters xe 268h
Race Director
Joined: Sep 2004
Posts: 11,874
Likes: 263
From: Arlington Va Current ride 04 vert, previous vettes: 69 vert, 77 resto mod
i didn't and wish i had......i will be putting new ones in this winter...you are using new rocker arms correct? i will be using the pushrods from CC that are the ones they spec for my cam (xe268) i think they are the entry level replacement stock ones....i don't believe they are anything fancy
http://www.compperformancegroupstore...y_Code=PSHRDHE
and while you are at it
http://www.compperformancegroupstore...ry_Code=mgRCKR
http://www.compperformancegroupstore...y_Code=PSHRDHE
and while you are at it
http://www.compperformancegroupstore...ry_Code=mgRCKR
Last edited by bobs77vet; Nov 7, 2006 at 11:02 PM.
Thread Starter
Burning Brakes
Joined: Aug 2005
Posts: 751
Likes: 0
From: Lufkin Texas
Originally Posted by Kalway
What valve springs are you using? If you're going to use anything stiffer than standard Z28 springs I'd say go with some slightly tougher pushrods.
Race Director
Joined: May 2005
Posts: 10,674
Likes: 122
From: Millington Illinois
St. Jude Donor '08-'09
Originally Posted by toupstrio
Thanks for the responses I will be using comp roller rockers along with their cam and stronger springs so I better go with some better push rods.
Safety Car
Joined: Dec 2004
Posts: 4,071
Likes: 0
From: San Diego CA
For reference, here are the specs for standard Z28 valve springs.
Outside Diameter (O.D.) : 1.250
Installed Height : 110 @ 1.700
Open Pressure : 285 @ 1.210
Coil Bind : 1.160
Suggested Maximum Lift : 0.490"
Chevrolet used standard push rods in combination with these springs and they worked fine. If your springs are tougher than that, though, obviously you'll need some good ones. Do as 63mako said, though, check the length and such and make sure to get em right. The right size and strength pushrods will last you forever, as long as nothing goes boom!
Outside Diameter (O.D.) : 1.250
Installed Height : 110 @ 1.700
Open Pressure : 285 @ 1.210
Coil Bind : 1.160
Suggested Maximum Lift : 0.490"
Chevrolet used standard push rods in combination with these springs and they worked fine. If your springs are tougher than that, though, obviously you'll need some good ones. Do as 63mako said, though, check the length and such and make sure to get em right. The right size and strength pushrods will last you forever, as long as nothing goes boom!
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Thread Starter
Burning Brakes
Joined: Aug 2005
Posts: 751
Likes: 0
From: Lufkin Texas
Thanks for all your help my heads have been reworked with larger valves and springs good to 520 lift so I ordered the comp pushrods that will match the lifters and cam.
Originally Posted by Kalway
For reference, here are the specs for standard Z28 valve springs.
Outside Diameter (O.D.) : 1.250
Installed Height : 110 @ 1.700
Open Pressure : 285 @ 1.210
Coil Bind : 1.160
Suggested Maximum Lift : 0.490"
Chevrolet used standard push rods in combination with these springs and they worked fine. If your springs are tougher than that, though, obviously you'll need some good ones. Do as 63mako said, though, check the length and such and make sure to get em right. The right size and strength pushrods will last you forever, as long as nothing goes boom!
Outside Diameter (O.D.) : 1.250
Installed Height : 110 @ 1.700
Open Pressure : 285 @ 1.210
Coil Bind : 1.160
Suggested Maximum Lift : 0.490"
Chevrolet used standard push rods in combination with these springs and they worked fine. If your springs are tougher than that, though, obviously you'll need some good ones. Do as 63mako said, though, check the length and such and make sure to get em right. The right size and strength pushrods will last you forever, as long as nothing goes boom!
Safety Car
Joined: Dec 2004
Posts: 4,071
Likes: 0
From: San Diego CA
Good choice! Out of curiousity, what was the damage to your wallet on em? I personally hate seeing pushrods go for more than $6 a piece, insane how a little piece of steel can possibly be worth that much, in my opinion.