GM heading for Chapter 11?
Post Fiend
Joined: Feb 2004
Posts: 10,728
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From: Damascus-Boring, Ore
Oh good grief- for the 100th time...fire up a 4.8, 5.3, (or 5.4 Ford- owned one) with aluminum pistons and you'll hear some "piston slap" for the first minute or two. Non-issue.
Last edited by polarbear; Apr 4, 2005 at 07:59 PM.
New User
Joined: Mar 2005
Posts: 4
Likes: 0
www.leakingfords.com here's one for you, enjoy.
here's another <TABLE cellSpacing=2 cellPadding=2 width="90%" border=0><TBODY><TR><TD align=middle></TD><TD>http://fordsuckz.0catch.com/
and.... http://www.*********.com/
bon appetit.. http://www.ripoffreport.com/reports/ripoff110816.htm
http://www.forums.corner-carvers.com...ad.php?t=20965
http://www.f150online.com/forums/sh...threadid=167193
http://www.f150online.com/forums/sh...ght=piston+slap
www.timesert.com/<WBR>FORD TRITON SPARK PLUG REPAIR.htm
all for your reading enjoyment, glad to help.
</TD></TR></TBODY></TABLE>
here's another <TABLE cellSpacing=2 cellPadding=2 width="90%" border=0><TBODY><TR><TD align=middle></TD><TD>http://fordsuckz.0catch.com/
and.... http://www.*********.com/
bon appetit.. http://www.ripoffreport.com/reports/ripoff110816.htm
http://www.forums.corner-carvers.com...ad.php?t=20965
http://www.f150online.com/forums/sh...threadid=167193
http://www.f150online.com/forums/sh...ght=piston+slap
www.timesert.com/<WBR>FORD TRITON SPARK PLUG REPAIR.htm
all for your reading enjoyment, glad to help.
</TD></TR></TBODY></TABLE>
Last edited by Nobetterorworse; Apr 4, 2005 at 08:33 PM.
Post Fiend
Joined: Feb 2004
Posts: 10,728
Likes: 1
From: Damascus-Boring, Ore
150ford Sorry polarbear didnt mean to upset you there. But Ive heard some engines and some off them are pretty noisy. Its been a serious issue for GM. A whole website devoted to it.
I'm not upset over it- but, website or not, it's a non issue. It's also a common characteristic of many makes.
I'm not upset over it- but, website or not, it's a non issue. It's also a common characteristic of many makes.
Post Fiend
Joined: Feb 2004
Posts: 5,378
Likes: 3
From: nebraska
I rest my case. Just check that website outin my second to last post and come to your own conclusions. Its pretty enlightning.
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Post Fiend
Joined: Feb 2004
Posts: 10,728
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From: Damascus-Boring, Ore
Ain't nothin' to rest- non issue.
edit: I knocked out that last remark- but I've made this statement before, and I'll make it again. Right now, in full-size pickups, GM's holding up the quality bar. Been documented over and over, variety of surveys. Want to refute that- please do- just document it.
edit: I knocked out that last remark- but I've made this statement before, and I'll make it again. Right now, in full-size pickups, GM's holding up the quality bar. Been documented over and over, variety of surveys. Want to refute that- please do- just document it.
Last edited by polarbear; Apr 4, 2005 at 11:23 PM.
Posting Guru
Joined: Jun 1999
Posts: 2,404
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From: Everett, Wa
As much has I hate to say this I will have to side with F150 on the Piston Slap issue.
If as stated they are using Hypereutectic Pistons they is no reason at all for any piston slap of any type. This piston should have tighter clearances than normal cast piston do to less expansion because of the high silicone content.
If on the other hand they are running Forged Pistons, piston slap is always present. This holds true for any manufacturer. Why do you think Diesels are so noisy when cold. Forged piston are used in almost every diesel application.
Forged piston are harder and take more abuse than any other type of piston but the trade off is thermal expansion requiring larger clearances. This is really only a problem when the engine is cold. All three type pistons will have the same clearances warm if the engine is assembled correctly.
If as stated they are using Hypereutectic Pistons they is no reason at all for any piston slap of any type. This piston should have tighter clearances than normal cast piston do to less expansion because of the high silicone content.
If on the other hand they are running Forged Pistons, piston slap is always present. This holds true for any manufacturer. Why do you think Diesels are so noisy when cold. Forged piston are used in almost every diesel application.
Forged piston are harder and take more abuse than any other type of piston but the trade off is thermal expansion requiring larger clearances. This is really only a problem when the engine is cold. All three type pistons will have the same clearances warm if the engine is assembled correctly.
Last edited by tmyers; Apr 4, 2005 at 11:49 PM.
Post Fiend
Joined: Feb 2004
Posts: 10,728
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From: Damascus-Boring, Ore
I understand what you're saying- I'm just saying that from a durability/reliability standpoint it's a non-issue. From a customer standpoint, it's a non-issue. And our '03 Expy did it, so it's certainly not unique to GM.
FTE Leadership Emeritus
Joined: May 2004
Posts: 18,787
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From: Melbourne, Aus
Sorry to take it off topic, but
If a F250 equipped with a PSD brings more $$$ than a similar condition and equipped 2500 Chevy, then the public obviously doesn't give 2 hoots about the so called unreliability of the 6.0l.
The superior stock performance obviously means a fair bit more to them.
correct???
If a F250 equipped with a PSD brings more $$$ than a similar condition and equipped 2500 Chevy, then the public obviously doesn't give 2 hoots about the so called unreliability of the 6.0l.
The superior stock performance obviously means a fair bit more to them.
correct???