Might be in the clear!
07-13-2008, 09:43 PM
#1
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Might be in the clear! I have had a strange ticking noise going on the past week or so. I thought it might be collapsed lifter or something so I took the valve cover off and everything was oiling just fine. I checked the endplay on the rockers and they were ok. I haven't really had a chance to check the pushrods yet. I drained my oil today for fear of a spun rod bearing or main bearing and there wasn't any shavings in the oil. Isn't this really a tell tell sign of a spun bearing in most cases? Do you all think it could still be a lifter going bad? It does it right off on startup and will quiten down after a second, but when you give it some throttle it does it
. Any and all opinions are appreciated, as long as it isn't in the bottom end then I am going to be buying a completely new topend (Heads,rockers,pushrods,springs,lifters) Yes I did search for a FEW days on end. Thanks in advance, Matt
. Any and all opinions are appreciated, as long as it isn't in the bottom end then I am going to be buying a completely new topend (Heads,rockers,pushrods,springs,lifters) Yes I did search for a FEW days on end. Thanks in advance, Matt 
07-14-2008, 01:06 PM
#3
spun rod bearing typically has more of a "clanking" noise rather than a ticking noise. It also has relation to the throttle... the more you give it gas, the faster the "clanking" will be...
ticking would suggest an exhaust leak, bent pushrod, failed rocker or lifter...
I spun a rod bearing, my oil pressure was fine, no shavings in the oil... took 10 runs on the dyno till we finally decided to call it quits before a piston went though the side of the block...
pulled the engine apart.... every piston hit by every valve, failed lifter, 3 bent pushrods, spun rod bearing... and the engine still made 300rwhp on the dyno after 10 runs to redline... go figure
ticking would suggest an exhaust leak, bent pushrod, failed rocker or lifter...
I spun a rod bearing, my oil pressure was fine, no shavings in the oil... took 10 runs on the dyno till we finally decided to call it quits before a piston went though the side of the block...
pulled the engine apart.... every piston hit by every valve, failed lifter, 3 bent pushrods, spun rod bearing... and the engine still made 300rwhp on the dyno after 10 runs to redline... go figure
Thanks for the help 
