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Bent Pushrods in an Automatic?

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Old Oct 1, 2004 | 10:17 PM
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Default Bent Pushrods in an Automatic?

Do you think that it is possible to bend your pushrods in an automatic?
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Old Oct 1, 2004 | 10:35 PM
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It's possible to bend pushrods in any hi revving, high compression car.
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Old Oct 2, 2004 | 12:34 AM
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I would think yes.
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Old Oct 2, 2004 | 01:04 AM
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How could you bend 'em with any transmission? What about the rev limiter?
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Old Oct 2, 2004 | 02:45 AM
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Originally Posted by JACKAL0PE
How could you bend 'em with any transmission? What about the rev limiter?
Downshifting at too high a speed for the lower gear.
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Old Oct 2, 2004 | 03:35 AM
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ls1's bend push roads pretty easy i believe.

revving with out a load. (neutral) can do it


check out ls1.com
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Old Oct 2, 2004 | 04:03 AM
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Originally Posted by jbowpsp
Do you think that it is possible to bend your pushrods in an automatic?
I generally try to keep my pushrods in my engine. Putting your pushrods in your transmission is probably a bad idea.
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Old Oct 2, 2004 | 04:10 AM
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Originally Posted by George8211
I generally try to keep my pushrods in my engine. Putting your pushrods in your transmission is probably a bad idea.

Particularly since the engine is in front and the tranny is in back. That's a long way to go just to bend a pushrod.
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Old Oct 2, 2004 | 09:19 AM
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Originally Posted by hightest
It's possible to bend pushrods in any hi revving, high compression car.

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Old Oct 2, 2004 | 10:08 AM
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Originally Posted by George8211
I generally try to keep my pushrods in my engine. Putting your pushrods in your transmission is probably a bad idea.
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Old Oct 2, 2004 | 10:11 AM
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Originally Posted by Richin Chicago
Downshifting at too high a speed for the lower gear.
Okay, let me re-phrase, how do you bend your pushrods without doing something REALLY stupid?
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Old Oct 2, 2004 | 10:36 AM
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Originally Posted by JACKAL0PE
Okay, let me re-phrase, how do you bend your pushrods without doing something REALLY stupid?
Stated like that, you most likely won't. It's the "stupid" things that will cause damage in any vehicle.

Why are you wondering specifically about the pushrods?

zo6vettepilot
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Old Oct 2, 2004 | 11:36 AM
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I up and down shift my automatic and drive at red line many times per day... with the occasional bump of the rev limiter. I just drive it hard because it's fun... I bought my Vette for fun. My push rods are fine.. so far.

However, I have seen a number of posts by people that have bent push rods. It is recommended to replace them if you do a head cam upgrade (stronger valve springs cause more pressure on the push rods). So the pushrod (and valve springs) are just items that were engineered to match the performance of stock setting with allowance for some aggressive driving.

Push the limits for too long and something is bound to happen... I'm probably lucky at 53,000 miles.
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Old Oct 2, 2004 | 12:04 PM
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You can bend pushrods in any engine if the valvetrain geometry is off
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Old Oct 2, 2004 | 12:42 PM
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Originally Posted by CHRIS NJ C5
You can bend pushrods in any engine if the valvetrain geometry is off
Our local, very smart, Vette technician told me that any downshift into the 7,000+ rev range will start bending some rods.
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