| Just for general FYI ~
In 1958 DeSoto introduced the world to the wedge engine, with the 361 in the Firedome/Fireflite series, and the 350 in the Firesweep series. Dodges could optionally get a wedge as their D500 engine, as could the Plymouth Fury. All were B-blocks. Chrysler and Plymouth carried forward with their old engines.
In 1959, to keep Chrysler “one step bigger”, the corporation brought out the RB 383 and 413 for Chrysler and Imperial. Desoto bored out to a 383, but remained with the B-block until the end. AFAIK, Dodge and Plymouth never got stuffed with an RB 383 before the corporation junked it in favor of the B-block version.
By 1959, the transition to wedges was complete at both DeSoto (1958) and Chrysler/Imperial (1959), but Dodge and Plymouth would go on offering the old engines as standard fare well into the sixties.
So, what Dave wrote is true, but may be misleading in the way it was written. In 383 form, both the B and RB blocks came out for 1959 model year. If we are speaking strictly “CHRYSLER” badged cars, then yes, the RB 383 is the early one, with the marque adopting DeSoto’s B-version after DeSoto’s demise. But if looking at the whole corporation lineup, then both versions go back to 1959.
Burger
==================
Mark, The early 383s were RB blocks. The later 383s were B. I think 59 383s were still RB. Simply measure the length of the dip stick tube to verify. Dave Homstad 56 Dodge D500 ----------------------------------------- From: "MARK HOPKINS"
To:
Cc:
Sent: Tue, 20 Sep 2016 11:29:24 -0600
Subject: Re: [FWDLK] [Chrysler300] 300F Exhaust Manifold - Dipstick tube
Good morning - as we get into the manifold repair, discovered the dipstick tube is also cracked. Local parts stores have no replacements listed. A local wrecker has a dipstick tube from a '59 Chrysler 383. If I recall correctly, the 383 was not an RB engine?
Does anyone know if the dipstick tubes are interchangeable between the 383 and the 413?
Also we noted both exhaust manifolds have been brazed previously. In checking the casting numbers on the exhaust manifolds, the passenger side one shows 1739599-3; however, the only number on the driver's side one is 411, which is on a plate attached to the manifold. Is that correct?
A previous owner installed Edelbrock carbs with electric chokes, so not sure if they messed with the exhaust manifolds as well. (That set up combined with a hidden MSD works very well, so although not stock, have lived with it. Most people never notice the change under the air cleaners....)
Thanks again to everyone for all the prompt replies. Awesome Club!
Mark
From: "John Grady" < jkg@xxxxxxxxxxxxxxxxx> To: "Dan Akol" < danakolaia@xxxxxxxxx>, "Bob Jasinski" < rpjasin@xxxxxxxxxxx> Cc: "MARK HOPKINS" < m.hopkins@xxxxxxx>, "MML (Mopar Mailing List)" < MML@xxxxxxxxxxxxxx>, "Chrysler 300 List" < Chrysler300@xxxxxxxxxxxxxxx>, L-FORWARDLOOK@xxxxxxxxxxxxx, "paul" < paulholm@xxxxxxxxxxxxx> Sent: Monday, September 19, 2016 5:05:53 PM Subject: RE: [Chrysler300] 300F Exhaust Manifold 60 NY er fit ---what we did , removed heat riser valve “throttle “ plate , it cannot work at all anyway with no side to side crossover passages under carb when you have rams; not driving rams in 2016 when cold out , so did that on both sides , long discussions about that in past posts ; original vs non issues. I resist any more on that! So no heat riser comes with that NY er answer. And I think it is OK. If driven in temperate climes. Stuck stock ram heat riser (not uncommon, stick so as to send all exhaust though the elbow(cold position) destroys rams, overheats aluminum floor of carb chamber . melts a hole in it. We got 60 NY er generator manifold I think from a good guy club member, he had parted out a NYer 413, reasonable price. been getting lots of parts coming and going, becomes blurred . Murray Park had one for about 250, a lot yes, but try and find a 60 ny’ er manifold. Others might fit from 60 rb blocks ,. Maybe even B , maybe 59. But I do not know about 59. Hope that helps….
Aside from the heat riser ports, how different are the these manifolds from similar ones without the ports (eg for single 4 bbl engines)? How critical is the heat riser? Mark, Yes, they are different, they have separate exhaust passages to heat the chokes. The 300F right side is even a bit different than the 300G right side because of the generator mounting in the F vs the alternator mounting in the G. There are companies that specialize in repairing exhaust manifolds, I would consider seeking one out and discuss the specific problem with yours to see if they could repair it. It is a very specialized repair and must be done by someone that really knows what they are doing, and even then there typically are no guarantees. Also look on eBay as they do come up from time to time, usually in sets. Perhaps a club member will have one they can part with. Fortunately, cracking is not a common problem with ram car exhaust manifolds. Hi all - are the exhaust manifolds on the cross ram engine different than the other 1960 413's? The right one is cracked and my mechanic does not recommend trying to weld this one. If different, can anyone recommend a source?
Thanks!
Mark Hopkins
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