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Mummert's proposed crate engine

Posted By PF Arcand 12 Years Ago
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Richard Head
Posted 12 Years Ago
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Ted (1/10/2012)
A good example of low rpm cam wear are the big block scrubs (Chevies) that the farmers use in their pick ups. Prolonged idling simply wastes the camshafts in short order and that’s primarily due to the increased low rpm loading (lifters dragging the lobes) and the reduced oil being splashed about.




Are you suggesting that the same doesn't happen to BBF and Dodges in the same situation?? Or do farmers only use BBC in their pickups?

Just call me 'Dick'

Don Woodruff
Posted 12 Years Ago
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BBC are some what noted for cam problems. I have heard (not verified personally) they have lifter bore, cam lobe alignment problems.
John Mummert
Posted 12 Years Ago
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Richard Head (1/10/2012)
Ted (1/10/2012)
A good example of low rpm cam wear are the big block scrubs (Chevies) that the farmers use in their pick ups. Prolonged idling simply wastes the camshafts in short order and that’s primarily due to the increased low rpm loading (lifters dragging the lobes) and the reduced oil being splashed about.




Are you suggesting that the same doesn't happen to BBF and Dodges in the same situation?? Or do farmers only use BBC in their pickups?


Richard "Dick" Head: Are you seriously suggesting that BBC's DON'T have oiling problems????????????????? Try to find a std/std crank for one.



Anyway, one of the questions that should be asked about a street engine is cost. What is the budget? Parts can add up pretty fast.

Next, how much power do you need? I see T Buckets with Blown big blocks. Yeah they're driven on the street but is that a street set-up?

The term Streetable is very ambiguous and means something different to every car person.

I don't like a street engine that needs 3000RPM to start running hard but I also find an engine that falls on its face at 4800 boring.

Maybe the best thing to look for is return on investment. Does the engine do what I want it to do? Was it worth the $$ spent? There is definitely a point of diminishing returns. Some parts cost a lot of money and add very little in power. Some parts reduce driveability without adding much to street performance (2000-6000 RPM) IMO

http://ford-y-block.com 

20 miles east of San Diego, 20 miles north of Mexico

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Richard Head
Posted 12 Years Ago
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John Mummert (1/10/2012)
Richard Head (1/10/2012)
Ted (1/10/2012)
A good example of low rpm cam wear are the big block scrubs (Chevies) that the farmers use in their pick ups. Prolonged idling simply wastes the camshafts in short order and that’s primarily due to the increased low rpm loading (lifters dragging the lobes) and the reduced oil being splashed about.




Are you suggesting that the same doesn't happen to BBF and Dodges in the same situation?? Or do farmers only use BBC in their pickups?




Richard "Dick" Head: Are you seriously suggesting that BBC's DON'T have oiling problems????????????????? Try to find a std/std crank for one.




Not at all, I was asking if Ted was saying that a Ford or a Dodge wouldn't have the same problem as the Chevy if idled for a long time. And do the Farmers only use Chevies in their trucks?? (Ted's words). I don't know or care if a Chevy has oiling problems.



I just wanted to know about the "prolonged idling"...



And why Farmers only use BBC...



Simple question, no need to get your Panties in a twist, Big Boy.

Just call me 'Dick'

Ted
Posted 12 Years Ago
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Richard Head (1/10/2012)
Ted (1/10/2012)
A good example of low rpm cam wear are the big block scrubs (Chevies) that the farmers use in their pick ups. Prolonged idling simply wastes the camshafts in short order and that’s primarily due to the increased low rpm loading (lifters dragging the lobes) and the reduced oil being splashed about.


Are you suggesting that the same doesn't happen to BBF and Dodges in the same situation?? Or do farmers only use BBC in their pickups?


For clarification purposes, all the major vehicle brands are used by farmers in this area.  All those with flat tappet cams have cam lobe wear issues related to prolonged idling.  The big block scrubs are just simply much worse in that particular wear department than the rest of them.  Even the small block scrubs ‘had’ a notable issue with long term idling but the big block scrubs are far above the rest for wasted camshaft lobes when allowed to idle for prolonged periods.  I say ‘had’ because many of those flat tappet cammed engines are being replaced by roller cammed engines.  The perceived problem in that area is slowly disappearing as a result.

 

I’ll add that for the racing big block scrubs, redrilling the lifter bores in the OEM blocks and realigning them with bronze bushings is a pretty standard operation that corrects some major factory machining issues in that area.

Lorena, Texas (South of Waco)


marvh
Posted 12 Years Ago
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One thing that is not known by many people is that farmers use their trucks as trailer haulers whether it be for livestock or a large machinery flat bed have to have an engine able to pull the load.



If a farmer buys a Ford they will spend the extra money to buy the diesel engine as there is no comparison between a gasoline engine and a diesel engine for lugging power and the Ford diesel has been around for about 20 years in the HD pickups so has proven itself.



The same can be said about the Dodge Cummins engine as that is a quality engine also, just the rest of the truck is suspect.



When it come to farmer wanting a Chev their choice is limited as chev never has had a quality diesel engine so the alternative is the BB gasoline engine. A SB engine will not last in this work.



marv
NoShortcuts
Posted 12 Years Ago
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Welcome to the site, Dick.



No question is viewed or treated as 'stupid' here.



Sometimes individuals with much more knowledge and experience do need to be asked for clarification about what they said... or WHY they said it.



What we don't do on this site is belittle others' statements or each other. That means, NO name calling...



With only 54 visits to the site, you have been very active having already accomplished 16 posts.



Having been here for awhile, and having used the search function extensively, my view is that there are a large number of very knowledgeable (in some cases EXTREMELY knowledgeable) and very hands-on experienced individuals who GENEROUSLY share what they've done and learned over time with those of us who have a lot to learn and don't want to take the time do it by trial and error or wasting time, energy, and money.



IF you stay with us for awhile, I suspect that you'll learn to write a bit differently. Smile



Regards,

NoShortcuts
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Missouri Mike
Posted 12 Years Ago
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NoShortcuts

Very well put.

Mike

I'd rather be lucky than good.................

    but good ain't bad!!

Richard Head
Posted 12 Years Ago
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NoShortcuts (1/11/2012)


What we don't do on this site is belittle others' statements or each other. That means, NO name calling...




Seriously?? Where did I "belittle others' statements or each other". If that is what you perceived that was not my intent. Name calling???



NoShortcuts (1/11/2012)
With only 54 visits to the site, you have been very active having already accomplished 16 posts.




I joined this site in June 2011. I have visited this site many more times than the 54 indicated ~ once per day. I just don't log on every time so it doesn't get counted. It also doesn't count how many times I visit if I stay logged in for a few days. I didn't realize there was a quota. If that is the case then I will continue to lurk in the back ground. Wouldn't be much of a party if no one showed up.



All this over a simple question. Thanks for your straight answers Ted and Marv.



My apologies to Paul for the detour from the original post.


Just call me 'Dick'

charliemccraney
Posted 12 Years Ago
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The "no need to get your panties in a twist, big boy." statement could be interpreted negatively, particularly if we're not familiar with your personality, and the person it appears to be directed at does engine work for a living and is well respected in the Y-Block community so he's seen much more than a hobbyist ever will. Don't go into hiding just try to be more aware of the stuff you write.


Lawrenceville, GA


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