[Amc-list] Fwd: new lifters old cam

["Larry R. Daum" <mramc@xxxxxxxxxxx>]

>Date: Thu, 01 Mar 2007 12:08:35 -0800
>To: mail@xxxxxxxxxxxx
>From: "Larry R. Daum" <mramc@xxxxxxxxxxx>
>Subject: [Amc-list] new lifters old cam
>Cc: aje1@xxxxxxxxxxxxxxx
>
>Date: Sun, 25 Feb 2007 14:56:56 -0600
>From: "Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>
>Subject: [Amc-list] new lifters old cam
>To: <amc-list@xxxxxxxxxxxx>
>Message-ID: <009701c7591f$7c8fb700$6601a8c0@xxxxxxxxxxxxxxx>
>Content-Type: text/plain;       charset="iso-8859-1"
>
>Afternoon crowd, this place has been very busy as of lately. Good sign or
>maybe every one is just excited about getting going this spring.
>
>I need some suggestions,
>
>Due to my extreme rambler mentality, I would like to install a used
>performance cam in my 304. The lifters are dished that I pulled out with the
>cam.  How bad an idea is it to get a new set of lifters and install them
>along with new cam bearings and the used performance cam. The cam doesn't
>look bad with the naked eye, I suppose I could mount it in a lathe and check
>the lift specs, what do you suggest??
>Remember my rambler mentality now LOL.
>*********************************************************************************************************
>I'm going to add my 2 cents worth as while Frank and some others 
>have hit on the
>oil problem, ie most of the moly and zinc has been taken out of the 
>engine oil used today.
>Even Shell's Rotella , diesel oil no longer has most of it's moly or 
>zinc as Of January 1,2007. The cam may
>be ok. It still needs to be checked, but the lifters may have been 
>bad. There has been a lot of junk made
>in China ,flat tappet lifters running around and they are total 
>crap! I've got one of my old Mopar Homies back
>in Illinois who was on his 4th engine rebuild on his 67 Big Block 
>Dart Convertible due to lack of moly in the oil
>and especially bad hencho in China lifters.  There is a good article 
>on this in "Hot Rod Do-It-Yourself Series Engine" special
>called "When Good Cams Go Bad'" , page 72. Even diesel engine have 
>catalytic converter now and the moly and zinc fouls them
>up, so our beloved government has mandated little moly or zinc be 
>used in engine oil as of Jan.1,2007. And lastly hydraulic flat tappet
>lifters are BUGGY WIPS ! No modern engine in production uses flat 
>tappets any more. All new engines currently made are Over Head cam 
>or roller lifter. Roller lifters use to be rather exotic, now are 
>common. Still expensive , but common. So if you rebuild an engine 
>you add a $6 bottle of moly oil additive or look for a $600 AMC 
>street roller cam setup.  (Not to Nick Alfano , looks like some 
>needs to step up and start providing the option of an AMC Roller 
>lifter street cam setup.) thanks LRDaum


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