Mach2burnout
05 Redfire GT
Just looking for help making some decisions on repairing/upgrading my valvetrain.
I have recently started experiencing some rattling or clattering upon startup (cold only). The sound is in the valve covers, not down in the crankcase. After 10-20 seconds it quiets down and all is normal. I have not experienced any drivability problems from this, but it drives me crazy. I cannot stand an engine that clatters, whether it be on start up or while driving. I have to fix this. So...
This is what I have done so far:
Pulled the valve/cam covers and inspected visually. I could not see any abnormal wear on the cams, or slack in the adjusters/followers so I put it back together. Then I drained the oil into a clean drain pan, then strained it. No metal particles were found. I do not have proper tool to cut open the oil filter, but I have a friend that does and I sealed it up in a zip lock until I can go out to his shop.
I put fresh oil back with different brand of oil filter(wix) and the noise persists.
Here is my plan:
Remove all the followers and valve lash adjusters and examine them closely for damage. (I will be installing new adjusters and followers no matter the outcome of the inspection).
While I have it disassembled I plan to upgrade the valve springs as the stockers seem to give up at a pretty low rpm and I tend to rev an engine pretty hard.
I have FRPP HR cams and plan to keep them! Period!
42k miles on the car w/mods in my sig.
Now to my question(s):
1) What springs would be the best to work with my cams?
2) Should I change the phasers while I have it torn down? This is about 3-350 more bucks that I really don't want to spend unless I need to.
3) Is there anything else that I should look for/at while I have it apart?
4) Is this the correct part number for the lash adjuster/follower kit? M-6529-3V
I been searching and have not found the answers I'm looking for so any help/advice would be appreciated. Thanks in advance.
I have recently started experiencing some rattling or clattering upon startup (cold only). The sound is in the valve covers, not down in the crankcase. After 10-20 seconds it quiets down and all is normal. I have not experienced any drivability problems from this, but it drives me crazy. I cannot stand an engine that clatters, whether it be on start up or while driving. I have to fix this. So...
This is what I have done so far:
Pulled the valve/cam covers and inspected visually. I could not see any abnormal wear on the cams, or slack in the adjusters/followers so I put it back together. Then I drained the oil into a clean drain pan, then strained it. No metal particles were found. I do not have proper tool to cut open the oil filter, but I have a friend that does and I sealed it up in a zip lock until I can go out to his shop.
I put fresh oil back with different brand of oil filter(wix) and the noise persists.
Here is my plan:
Remove all the followers and valve lash adjusters and examine them closely for damage. (I will be installing new adjusters and followers no matter the outcome of the inspection).
While I have it disassembled I plan to upgrade the valve springs as the stockers seem to give up at a pretty low rpm and I tend to rev an engine pretty hard.
I have FRPP HR cams and plan to keep them! Period!
42k miles on the car w/mods in my sig.
Now to my question(s):
1) What springs would be the best to work with my cams?
2) Should I change the phasers while I have it torn down? This is about 3-350 more bucks that I really don't want to spend unless I need to.
3) Is there anything else that I should look for/at while I have it apart?
4) Is this the correct part number for the lash adjuster/follower kit? M-6529-3V
I been searching and have not found the answers I'm looking for so any help/advice would be appreciated. Thanks in advance.