Anyone have an idea on what my 460 is up to?
#1
05-25-2011, 12:27 AM
Anyone have an idea on what my 460 is up to?
The 460 in my 1997 F250 (auto-trans) made a new and different noise this past weekend. I was pulling my 29ft 5<SUP itxtNodeId="643" itxtHarvested="0">th</SUP> wheel up a steep grade in 2<SUP itxtNodeId="642" itxtHarvested="0">nd</SUP> gear at about 3500 RPM. It’s about a 3 mile hill, when, near the top, it started making noises like it had lose tappets (tap, tap, tap) And, it was related to the engine’s rpm. No marble sounds, and it wasn't a pinging sound either.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o
></o>
<o></o>
The noise started soft and grew louder and louder. Finally, when we crested the top, and shifted into 3<SUP itxtNodeId="645" itxtHarvested="0">rd</SUP> and the noise faded away. <o></o>
<o></o>
Going down the other side, near the bottom of the hill, when I resumed speed on the flat road, it made load valve train tappet noises again for about a minute or so and then that noise faded away too. <o></o>
<o></o>
I have pulled this hill before, but without any problems. The engine has 92K on it. It’s a factory stock motor. I run premium gas in it.
<o></o>
Anyone have an idea as to what the heck is going on inside my engine<o></o>
fficeffice" /><o></o><o
></o>The noise started soft and grew louder and louder. Finally, when we crested the top, and shifted into 3<SUP itxtNodeId="645" itxtHarvested="0">rd</SUP> and the noise faded away. <o
></o><o
></o>Going down the other side, near the bottom of the hill, when I resumed speed on the flat road, it made load valve train tappet noises again for about a minute or so and then that noise faded away too. <o
></o><o
></o>I have pulled this hill before, but without any problems. The engine has 92K on it. It’s a factory stock motor. I run premium gas in it.
<o
></o>Anyone have an idea as to what the heck is going on inside my engine<o
></o>
Thread
Thread Starter
Forum
Replies
Last Post
Lex2002
1999 - 2003 7.3L Power Stroke Diesel
47
09-23-2013 09:53 AM
CALINLEIR
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W)
3
04-28-2009 01:47 PM
