440 valve train noise

Thread Tools
 
Search this Thread
 
Old 10-13-2013 | 09:27 AM
  #1  
dkruk's Avatar
Thread Starter
New Member
 
Joined: Oct 2013
Posts: 6
Likes: 0
From: south bend IN
440 valve train noise

my 440 is making top end noise here what goin my to this point. good running engine but i put a cam in it pot and polished my head timing chain. had a lot of power ran great . drove for 1 week and my timing gear came loose wouldnt start fixed that a friend thought he saw a slit bent rod then i look but didnt really see it. be driving it around 2 to 3 mounths and parked it for a min came back no oil psi pulled cover all push rods bent and one broke 1 poped lifter out of bore. 2 were still stragth both ex on cyl 3 and 4 replace push rods car starts sems to run fine but it has this clater on all cylinders sounds like ur shacking a box of push rods i got oil rocker and 75 psi at idie engine 440 .30 over comp cam 21-224-4 110 sep .488 intake 491 exh comp push rods3/8 lenght 9.315 rock rockers same length push rod as old ones didnt makes noise b4 what to do
Old 10-13-2013 | 09:28 AM
  #2  
dkruk's Avatar
Thread Starter
New Member
 
Joined: Oct 2013
Posts: 6
Likes: 0
From: south bend IN
some one said my lifters arnt pumped up just run it longer is this ok i dont want to damge the engine
Old 10-13-2013 | 09:43 AM
  #3  
dkruk's Avatar
Thread Starter
New Member
 
Joined: Oct 2013
Posts: 6
Likes: 0
From: south bend IN

Last edited by dkruk; 10-13-2013 at 09:44 AM. Reason: cyl 5exh and 2exh r the non bent one cyl 3 exh broke
Old 10-13-2013 | 11:55 AM
  #4  
Drag Pak's Avatar
Mopar Lover
 
Joined: Jan 2010
Posts: 543
Likes: 66
WOW!!

You might start by checking for spring bind and the valve spring retainer to valve guide clearance!!

And the pushrods look overheated at the tips.
Old 10-13-2013 | 03:49 PM
  #5  
Mr.4spd's Avatar
Mopar Lover
 
Joined: Apr 2012
Posts: 694
Likes: 59
From: NH
Last time I bent pushrods like that, my valves were also bent and pistons had gouges in them. Also from a timing set that got away from me. It's weird that it was ok until you parked it.
Old 10-13-2013 | 05:16 PM
  #6  
moe7404's Avatar
Mopar Lover
 
Joined: Nov 2012
Posts: 1,846
Likes: 139
could it be that the blue on the tips is the factory heat treat? just asking.
Old 10-13-2013 | 06:45 PM
  #7  
Moss's Avatar
Mopar Fan
 
Joined: Jun 2011
Posts: 41
Likes: 0
Pushrods do not get subject to enough heat to discolor them like this. I bet they are heat treated like you say. I suspect you have some bent valves as well.
Old 10-13-2013 | 08:40 PM
  #8  
dkruk's Avatar
Thread Starter
New Member
 
Joined: Oct 2013
Posts: 6
Likes: 0
From: south bend IN
the ends of the push rods was the same color thats just were i cleaned them off at looking for wear marks . ill look in to the spring botteming out but why is it makeing the noise now and not b4 pushrods are the same a friend builds motors said it sounds like the cam may be wiped out or rockers worn but they look fine tops of the valve stems are good havnt pulled heads yet car runs great sound good but theres just this noise sound more on the right side checked lifter there holding oil and arnt worn
Old 10-13-2013 | 08:55 PM
  #9  
Drag Pak's Avatar
Mopar Lover
 
Joined: Jan 2010
Posts: 543
Likes: 66
Originally Posted by Moss
Pushrods do not get subject to enough heat to discolor them like this. I bet they are heat treated like you say. I suspect you have some bent valves as well.
You might read what Mopar says about lack of top end oiling and the effects on pushrods?


Here is a photo of new to compare with op's which are cooked!
Attached Thumbnails 440 valve train noise-312-p4529557.jpg  

Last edited by Drag Pak; 10-13-2013 at 09:03 PM.
Old 10-13-2013 | 09:41 PM
  #10  
TVLynn's Avatar
Mopar Lover
 
Joined: Apr 2011
Posts: 4,282
Likes: 387
First if you did not do a proper break in ? you could have wiped out the cam, Why did the timing chain come apart ? YOU definitely have some bent valves The heads need to be checked.. DID you check the push rod length with the new cam ???
MAYBE you should get some mechanical help
Old 10-13-2013 | 10:10 PM
  #11  
dkruk's Avatar
Thread Starter
New Member
 
Joined: Oct 2013
Posts: 6
Likes: 0
From: south bend IN
my new push rods looklike the ones in the pic u just posted. i did do the proper break in. for 20 mins at what ever rpm it was i forgot it now with the additive acording to a lot of local machine shop and friends from racing with mopars this was the 2nd to larges cam i could run on stock pushrods and rockers ill find out tuesday if i need to pull heads or do a leak down test. the reason the cam bolt came loose was cuz i didnt put lock tight on my bolt b4 i torqued it after i fixed it been driving it all summer till this week
Old 10-16-2013 | 05:54 PM
  #12  
TVLynn's Avatar
Mopar Lover
 
Joined: Apr 2011
Posts: 4,282
Likes: 387
I don't care what they said. YOU need to physically check for the proper length push rod. AND check for retained clearance. Chances are the exhaust valves are bent
Old 10-16-2013 | 06:12 PM
  #13  
Moss's Avatar
Mopar Fan
 
Joined: Jun 2011
Posts: 41
Likes: 0
Originally Posted by Drag Pak
You might read what Mopar says about lack of top end oiling and the effects on pushrods?


Here is a photo of new to compare with op's which are cooked!
Again, pushrods do not get subject to enough heat to discolor them like the ones shown. I have seen 10,000 of them over 35 years and know better. There is not enough friction on the tip to create the temp it would take to blue the metal. All of the pushrods are bent which could only mean stuck valves or coil binding. If the top end of the motor was lacking the oil needed to discolor pushrods then the lifter would be frozen in the bores and I have never seen this. The OP said he had 75psi and oil at the rockers.

Last edited by Moss; 10-16-2013 at 06:18 PM.
Old 10-17-2013 | 08:46 AM
  #14  
TVLynn's Avatar
Mopar Lover
 
Joined: Apr 2011
Posts: 4,282
Likes: 387
THE color of the push rods is normal !! IT is from the induction hardening of the ball end
Old 10-17-2013 | 11:02 AM
  #15  
Drag Pak's Avatar
Mopar Lover
 
Joined: Jan 2010
Posts: 543
Likes: 66
Originally Posted by Moss
Again, pushrods do not get subject to enough heat to discolor them like the ones shown. I have seen 10,000 of them over 35 years and know better. There is not enough friction on the tip to create the temp it would take to blue the metal. All of the pushrods are bent which could only mean stuck valves or coil binding. If the top end of the motor was lacking the oil needed to discolor pushrods then the lifter would be frozen in the bores and I have never seen this. The OP said he had 75psi and oil at the rockers.
35 years or not, please go find me another photo of a new pushrod with this amount of discoloration. As the op said, he has driven this pile for several months.
Old 10-17-2013 | 05:25 PM
  #16  
Mr.4spd's Avatar
Mopar Lover
 
Joined: Apr 2012
Posts: 694
Likes: 59
From: NH
I'm pretty sure the set of Comps I had in a 440 like 13 years ago came outta the package looking like that. I think it was from the ***** being welded on the ends.
Old 10-17-2013 | 06:18 PM
  #17  
moe7404's Avatar
Mopar Lover
 
Joined: Nov 2012
Posts: 1,846
Likes: 139
bent push rood? so all you need is a hammer and a flat floor.
Old 10-17-2013 | 08:18 PM
  #18  
Moss's Avatar
Mopar Fan
 
Joined: Jun 2011
Posts: 41
Likes: 0
Originally Posted by TVLynn
THE color of the push rods is normal !! IT is from the induction hardening of the ball end
Completely agree!
Old 10-17-2013 | 10:29 PM
  #19  
Drag Pak's Avatar
Mopar Lover
 
Joined: Jan 2010
Posts: 543
Likes: 66
Photos please.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
74Runneer
General Discussion
4
12-24-2012 02:09 PM
combine450@yahoo.com
General Technical Questions
5
05-29-2012 03:25 PM
PK1
Engines, Exhaust and Fuel systems
16
08-10-2011 07:03 PM
Mopar_Fan
General Technical Questions
1
11-06-2010 12:55 AM
bschubarg
General Technical Questions
0
04-10-2007 07:08 AM



Quick Reply: 440 valve train noise



All times are GMT -7. The time now is 01:21 PM.