RCD pistons and lifters - Ford Powerstroke Diesel Forum
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  #1  
Old 01-18-2014, 09:43 AM
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RCD pistons and lifters

Has anyone tried the rcd oem replacement lifters and/or pistons? any feed back would be appreciated...
thnx

edit: what about these HD wrist pins, iv never heard of this but my piston did crack along the wrist pin,

http://www.rivercitydiesel.com/index...mart&Itemid=54

Last edited by borsky4; 01-18-2014 at 09:52 AM.
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Old 01-18-2014, 09:53 AM
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I will be measuring my wrist pins when I get it apart for out of round
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Old 01-18-2014, 12:01 PM
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Damaged piston is out and the wrist pin is thundered. Looks like ill be ordering these for my build...
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Old 01-18-2014, 12:45 PM
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I just read your history with your mods to the truck as I sit here in the Calgary airport hotel in the heat wave 50*f. Your truck hasn't been playing nice. You would expect the wrist pin issue to be from a sharp load on the piston from an event like a hydro-lock or uncontrolled explosion, such as from ether or extremely advanced timing. Since you live in Canada and it does get very cold in Alberta (just not today), perhaps one of the tunes has not been playing nicely either. If you have read some of my posts about cold weather and timing, I have seen upwards of 16* BTDC at start and during warm up while driving. I have also seen 14* BTDC once warmed up. JMO, but that could easily create the conditions for the piston slam that could bust it.

Too bad you have to go in for the big repair.
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Old 01-18-2014, 02:09 PM
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Well I have never used ether on it. But you could be on to something, how do you monitor timing? dash boss? I only have edge, and I don't think I can monitor timing on it. You would think that the head gasket would blow before you bent a wrist pin and cracked a piston from timing, as that is the known weak link. I dunno. I will admit I was towing 6k on x street the day before it happened, so I was thinking that was the straw that broke the camels back. I know I am not the only one that tows on a race tune. but it wont be happening again... By the way egts never got higher the 1200ish for more then a couple seconds.
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Old 01-18-2014, 02:14 PM
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Unless the cold had something to do with it towing with Xstreet didn't. I have towed in Xstreet, and Looney Wild track and the truck is none the worse for wear. BTW my trailer tips the scales at about 10k loaded.
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Old 01-18-2014, 02:18 PM
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you might be riding a slippery slope, just sayin. And yea mine was 6k empty four sleds puts it up over 8k
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Old 01-18-2014, 02:24 PM
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Maybe I need to get IDP to write me a winter file with a little less timing, thanks
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Old 01-18-2014, 05:50 PM
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Well the Dodge in my sig was towed in xrace and the trailer alone weighs 8k. I have been tuned since 08 so I am pretty sure I am fine.
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Old 01-19-2014, 07:21 AM
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I doubt the 6k trailer was the issue, but combined with the cold and a big foot, perhaps. For WCS, the cold we get DOES matter. With typical west coast temps, it only slightly mucks up the timing.
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