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Old Jul 13, 2003 | 07:35 AM
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429 bent pushrod

i just got done with my 70 429, #3 cylinder bent the intake pushrod and 10 of the other pushrods are showing significant wear around the guide plates while the other 5 show little to no wear at all. i am running roller rockers. could it be they were not adjusted correctly or non hardened push rods?thanks
 
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Old Jul 13, 2003 | 08:10 AM
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429 bent pushrod

Sounds like a combination of both.
 
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Old Jul 17, 2003 | 04:24 PM
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429 bent pushrod

well after getting some comp cams hardened pushrods from summitt, i found that the number 3 intake lifter got pushed out of the hole. after messing around with a magnet for 6 hours yesterday this morning i decided it would be faster to just pull the intake. 4 hours later i got it all back together and now it is running excellent.

WORD OF ADVICE: always use hardened pushrods with roller rockers and if you are not sure buy a new set. it would have been worth the 120 bucks from the get go
 
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Old Jul 18, 2003 | 06:43 AM
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429 bent pushrod

You must run hardened pushrods with guideplates, regardless of your rocker arm type. The guideplate is what galls the pushrods.
 
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