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Typically that's because the camshaft is improperly timed. If a piston kisses a valve you'll usually cause serious damage to piston, valve, head, pushrods... all because a valve tried to open at the wrong time.
Another possibility would be a seized valve, but that's far more common in engines that have not been used for a long time. I would say ,possibly a bent valve stem. if the engine has run ok in the past. although the above answer may very well be correct.
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What makes triangles stronger than any other shape?
Make a triangle out of straws or something. See if you can push it sideways like a square. I you try to, you either bend it, break it or push the entire thing sideways... You can't bend it like a square. this is why triangles is the strongest shape. And also tall skyscrapers are made from triangles if looked from a birds eye-view... :D:D:D
What is one fourth of 320 rods?
80 rods
How many rods in a chain?
1 chain = 4 rods.
How many miles are in 80 rods?
There are 320 rods in a mile. Therefore, 80 rods is equal to 80/320 = 0.25 miles.
What is an appropriate length of shower rod?
The average shower rod will vary from 44" (112 cm) to 72" (182 cm). There are various styles of shower rods, however, that curve or bend and are adjustable. Ones that curve will have other dimensions than a standard "straight" shower rod.
What happens if you switch intake and exhaust push rods on a 1999 Pontaic Grand Am with a 3.4L?
You will bend the rods and the valves and you will 'break' the engine
What If a garage over tightened rocker arms?
it counld bend your push rods or posibly not lit your valves to seal.
What causes a rod to get bent?
It could be some sort of liquid in the cylinder. It will cause it to hydraulic and bend rods.
You have long push rods and short push rods which ones go where?
long ones are exhaust
What do push rods push?
The rocker arm.
How do you replace push rods on a 1996 dodge neon?
Being an overhead cam engine, a Neon doesn't have push rods.
Why does 3.4 make noise after installing push rods?
Double check the new push rods, they come in many lengths.
Can you run stock push rods with roller rockers?
It's not really about what rockers you run. If you have guide plates, you need hardened push rods.
How to replace push rods on a 2002 Chrysler sebring gtc?
A 2002 Chrysler Sebring has an overhead cam engine. That means it does not have push rods.
What would cause two bent broken lifter rods on cylinder 3 of a marine Chevy 350?
Push rods bend when there is no more clearance between valves and that no. 3 piston. There could be a foreign object sitting on top of that piston...or those valves set too tight.
Is it possible to damage lifters if valves were adjusted wrong and resulted in bending the push rods?
Yes, it's possible. But the push rods usually take the worst of it.
What do you torque the rocker arms to when you reistall push-rods on 2003 3.4 Pontiac?
what should you torque the rocker arms to when you reinstall the push-rods to on a 3.4 pontiac
