Good question Rich. I have been wondering the exact same issues as you describe. Have 3 C body 4 speeds two with 383HP, one with 413HP a 300J, 68 300 and 2 79's with 360. I want different "strengths" with cam choice between 4 speeds and auto's. Like Rich, I need vacuum for the automatics, don't have to have vacuum for the 4 speeds. I too want whiplash on big blocks at least. I know we have some extremely informed members in this club. I hope they can weigh in on this issue. Thanks, Tom Denkler -----Original Message----- >From: Rich Barber <c300@xxxxxxx> >Sent: Jun 5, 2013 2:55 AM >To: 'Bill Huff' <czbill@xxxxxxxxxx>, 'Richard Osborne' <reomotorsports1@xxxxxx>, 'rinandal' <rinandvan@xxxxxxx> >Cc: Chrysler300@xxxxxxxxxxxxxxx >Subject: RE: [Chrysler300] Known 413 block/ head problems > >While we're on the 413 subject, can someone list the differences in valve >trains between NY, 300, 300K and 300K ram engines, say in 1964? I'm aware >of the different cams, bigger intake valves, solid tappets and adjustable >rocker arms but wondering about valve springs and pushrods. Wondering also >about any other significant differences in the 360 HP K heads and the 390 HP >ram heads. If the later pushrods had oil forced through them, would it make >sense to use these in a rebuild? > > > >I'm still looking for a specific recommendation for a replacement camshaft >for a '64K ram engine. The cam shops seem to offer one size fits all cams >for 361 to 426 MW engines and it just seems that the ram engines would >require a camshaft especially ground to work with the rams. None of their >performance cams seem to come anywhere near to matching the J/K ram cam >specs. I have access to an NOS hydraulic cam for a 360HP 300K engine. I >keep hearing about purple cams. What's that all about? If someone has >replaced the cam in their J or K ram engine with something that works well >in the normal driving environment, makes good vacuum, can be made to start >and idle and still create whiplash when stomped, I'd love to hear about it. > > > >C-300-K'ly, > >Rich Barber > > > >From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On >Behalf Of Bill Huff >Sent: Tuesday, June 04, 2013 4:32 PM >To: Richard Osborne; rinandal >Cc: Chrysler300@xxxxxxxxxxxxxxx >Subject: Re: [Chrysler300] Known 413 block/ head problems > > > > > >Pushrod design changed in 1968 from 1967. Lost the stepped end. > >Bill Huff > >At 6/4/201304:51 PM, Richard Osborne wrote: >> >> >>Should have said Valve train interchangeable >>EXCEPT pushrods. RB engines are longer than B, >>the rest of the upper engine parts are interchangeable. >> >>Richard >> >>On Jun 4, 2013, at 4:41 PM, Richard Osborne >><<mailto:reomotorsports1%40me.com>reomotorsports1@xxxxxx ><mailto:reomotorsports1%40me.com> > wrote: >> >> > The only weakness with the 413 is the fact >> that most of the heads use 4 bolt valve covers. >> Not only are they more prone to leakage, but >> they also are harder to find pretty shiny >> aftermarket replacements. Other than that parts >> are the same for the 383, 400, 426W and 440. >> Parts (VALVE TRAIN) are interchangeable. >> > >> > Richard >> > >> > On Jun 4, 2013, at 2:00 PM, rinandal >> <<mailto:rinandvan%40att.net>rinandvan@xxxxxxx ><mailto:rinandvan%40att.net> > wrote: >> > >> >> Hi, >> >> Anyone out there aware of any inherent >> weakness and or problems with 1964 413 c.i. block/heads? >> >> >> >> Thanks, >> >> Van >> >> >> >> >> > >> > >> > >> > [Non-text portions of this message have been removed] >> > >> > >> > >> > ------------------------------------ >> > >> > To send a message to this group, send an email to: >> > <mailto:Chrysler300%40yahoogroups.com>Chrysler300@xxxxxxxxxxxxxxx ><mailto:Chrysler300%40yahoogroups.com> >> > >> > To unsubscribe from this group, send an email >> to <mailto:bob%40simplexco.com>bob@xxxxxxxxxxxxx ><mailto:bob%40simplexco.com> or >> > go to >> ><http://autos.groups.yahoo.com/group/Chrysler300/join>http://autos.groups.ya >hoo.com/group/Chrysler300/join >> and select the "Leave Group" button >> > >> > For list server instructions, go to >> ><http://www.chrysler300club.com/yahoolist/inst.htm>http://www.chrysler300clu >b.com/yahoolist/inst.htm >> > >> > For archives go to >> ><http://www.forwardlook.net/300-archive/search.htm#querylangYahoo>http://www >.forwardlook.net/300-archive/search.htm#querylangYahoo! >> Groups Links >> > >> > >> > >> >> > >[Non-text portions of this message have been removed] > > > > > >[Non-text portions of this message have been removed] > > > >------------------------------------ > >To send a message to this group, send an email to: >Chrysler300@xxxxxxxxxxxxxxx > >To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or >go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button > >For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm > >For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! 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