evo engine noise problem
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Stage IV
Joined: Jun 2009
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evo engine noise problem
I need some help...1997 FLHRI - stage 2 (cam, air cleaner, touring pipes, race fueler-2000)...(no internal problems only a leaky rocker box 2006)...the engine was running rough, low or no idle after warm up, hesitation on applying throttle, backfiring on deceleration...sounded like a FI problem to me ...went to several dealers to have remapped with little to no luck... one said the race fueler was bad...an engine noise developed on what seemed to be top end ...took it to another dealer... the dealer had asked to open the top end, then later asked to look at the cam...and was diagnosed as a seized rod...the noise to me was from the top end...I thought if the rod had seized I wouldn't have been able to ride 35 miles to a dealer without leaving parts on the pavement.. ...now they're saying rebuild...causes of seized rod??? any thoughts??? pfl
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HDF Community Team
Joined: Dec 2005
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From: NC USA
Something is fishy about all this...
There are only 2 types of parts in the engine that are commonly referred to as "rods" being the piston connecting rods and valve lifter push-rods. Neither of those parts could "seize" without being welded and/or run without oil for a while.....
Wrist pin could seize in the bushing (or piston, but very unlikely), valve rocker could seize on the shaft.
Before spending any money, you should PIN somebody down and make them give you a better description of what part they claim is "seized."
There are only 2 types of parts in the engine that are commonly referred to as "rods" being the piston connecting rods and valve lifter push-rods. Neither of those parts could "seize" without being welded and/or run without oil for a while.....
Wrist pin could seize in the bushing (or piston, but very unlikely), valve rocker could seize on the shaft.
Before spending any money, you should PIN somebody down and make them give you a better description of what part they claim is "seized."
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