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Intro and a 13 speed question

Posted By uglydog56 Wednesday, September 14, 2011 5:16 AM
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Brocky
 Posted Tuesday, March 06, 2012 2:03 AM
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When we were at the Colorado Springs show and took the Cog railroad up Pikes Peak our seats were right up front the and shop forman was seated next to us.

He was telling that the train was powered by a total of four 350 HP 855 Cummins which were "pancaked" under the train and drove the cog drive thru a Swiss single speed automatic tranny.. So appearently it is possible to lay these engines down.


Brocky

Diamond T and Brockway Collector
Jim Rose
 Posted Monday, March 05, 2012 3:51 PM
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When you say "lift the heads" does that mean that the headbolts stretch, break or pull the threads out of the block?

My wife says that I am not completely worthless and can always serve as a bad example.
kblackav8or
 Posted Monday, March 05, 2012 2:04 PM
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doorslammer
 Posted Wednesday, September 21, 2011 12:59 PM
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Hey new guy here also, I started to drive these as school buses from '78 to '84. Not trying to sound like a know it all ,but I think begining with the '72s the 220 was replaced with the NH250 and in "74  Crown went to NHHTC 290's but you could opt for a NHHTC335 w/or wo a Jake. The 5 speed T905 M box was standard but you could spec an RT910 if you wanted it.

I scored a '76 off c'list in brand new like shape for free about 5 yrs ago,it came with the 335 and a 10 spd. someone offered us an RTO9513 and it pretty much fell right into place,goes like hell and I'm no mechanic. Good luck with this they can make really cool RVs.
kblackav8or
 Posted Monday, September 19, 2011 2:13 AM
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No need for apology.  CPL - Control Parts List, it specifies the configuration and installed parts in a particular engine model.  There are dozens of CPL's for a specific model/horsepower Cummins engine.  As improvements or alterations in configuration were made a CPL would be assigned.  If you have a dead 855, you can rebuild it to a newer standard using a CPL that you like as a guide for the parts to buy, timing and fuel pump settings etc.  Whatever Glen adds is gospel.  Mine is the readers digest version trying to answer your question. 


uglydog56
 Posted Sunday, September 18, 2011 5:20 PM
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Budget isn't problem, facilities are.  So I guess really that means budget is the problem, as I don't want (can't afford) to build a shop with a pit and some sort of giant lift in said pit to lower/raise engine.

But if I win the lottery tomorrow, you can bet that a big cam 400 will be under there.

Can I ask a dumb question?  What does CPL mean?

Sorry for my ignorance and thanks for the replies.

Rick


Rick A. Cone

66 Crown
kblackav8or
 Posted Sunday, September 18, 2011 9:22 AM
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There is a guy with a 3408 powered GMC Scenicruiser with a 15 speed.  That bus is probably just shy of supersonic. 


John_Costley
 Posted Sunday, September 18, 2011 5:39 AM
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If you have the budget, swap to a big cam when you buy the 14613. There is a CPL for a lay down ( pancake ) big cam 3, Diesel injection in Pitsburgh has it on record, they hot rodded one for a CA. based camper a few years back, it was bus based, but I think it was a double eagle. During their research they discovered a factory CPL for a pancake KTA too, now THAT would make for a fun bus, lol.John
Eddy Lucast
 Posted Friday, September 16, 2011 1:52 AM
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Theres also a REO Flying Cloud three doors down from me.



Eddy Lucast

http://kbs.justoldtrucks.com


man with wooden truck should be wary of "truck whisperer" with torch
kblackav8or
 Posted Thursday, September 15, 2011 9:38 AM
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If someone is intrigued by this thread - here is a Crown for sale local to me (when home and I am not)
http://seattle.craigslist.org/see/rvs/2590945475.html




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