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Re: Max Wedge Block? [Re: MadMopars] #2580982
11/21/18 10:26 AM
11/21/18 10:26 AM
Joined: Mar 2011
Posts: 3,055
Michigan
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Michigan
Thanks for the link to read up on the Letter Cars, great reading.

Re: Max Wedge Block? [Re: Cab_Burge] #2581129
11/21/18 03:52 PM
11/21/18 03:52 PM
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Tucson AZ,
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MadMopars Offline OP
pro stock
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Tucson AZ,
Originally Posted By Cab_Burge
What diameter are the exhaust valves? What about head casting numbers?
All the Chrysler 300 motors before 1962 had solid lifters and those type adjustable rocker arms. All the letter series 300 motors had them until 1964 also scope I think the 1964 300 letter cars used the six bolt valve covers and the later style rocker arm pedestals cast into the heads also scope
You may have gotten very lucky up


Haven't had much time to get into things yet but I did take a moment to check the heads over briefly. They are casting #2206324 with 2.08 / 1.60 valves. Looks like when they did the valve job they installed new TRW exhaust valves and topped them off with aluminum retainers which don't seem to have a great following from what I've heard. Valve springs were about 140# at 1.750" and about 260# at 1.250". I'll keep you posted as I get into things. Still have the cylinders and lifter bores soaking for disassembly. Fingers crossed it comes apart fairly easily without killing anything. luck

Also, I did check for plugs in the rocker shafts. They are installed just after the first set of bolts. Good looking out guys. up

Last edited by MadMopars; 11/21/18 04:00 PM.

[img]https://s9.postimg.cc/6fbjxzfvv/48-2016-_Drag-_Weekend-_Best-_Burnouts-lpr.jpg[/img]


73 GTX *440*727*8 3/4*
69 DART GT *440*4 SPEED*DANA*
73 ROAD RUNNER *451*4 SPEED*DANA*
64 F100 *383*4 SPEED*9"*
75 DODGE D300 *440*4 SPEED*DANA*
99 DODGE RAM 3500 4X4 DUALLY... ON 38"s
Re: Max Wedge Block? [Re: MadMopars] #2581148
11/21/18 04:39 PM
11/21/18 04:39 PM
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Michigan
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Springs have serious rust so I would discard them - and the retainers should follow the springs into the garbage can too. I’ve seen a few engines drop valves because the aluminum retainers allowed the locks to pull through.

The heads are very early B heads. I have a set with 1.74” exhaust valves, they are miserable on flow.

Re: Max Wedge Block? [Re: MadMopars] #2581172
11/21/18 05:35 PM
11/21/18 05:35 PM
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Posts: 6,545
Downtown Roebuck Ont
Twostick Offline
Still wishing...
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Downtown Roebuck Ont
So other than the bore notches, is there any "real" difference between a MW block and a 413 out of a New Yorker, or is it like a 440HP, same block, different application?

Kevin

Re: Max Wedge Block? [Re: MadMopars] #2581191
11/21/18 06:18 PM
11/21/18 06:18 PM
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Olympia, Washington
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tallzag Offline
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Olympia, Washington
Might be 62 Chrysler 300 Sport.


Rocket Restorations
Re: Max Wedge Block? [Re: MadMopars] #2581198
11/21/18 06:31 PM
11/21/18 06:31 PM
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Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
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Spokane Washington
Quote:
So other than the bore notches, is there any "real" difference between a MW block and a 413 out of a New Yorker


That is correct.

Re: Max Wedge Block? [Re: MadMopars] #2581202
11/21/18 06:44 PM
11/21/18 06:44 PM
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62 MW blocks, ive seen there are also 2 bosses at the rear of the intake area, look similiar to water pump housing bosses, but of course not open. only HD blocks had those from what im told

Re: Max Wedge Block? [Re: TONY_DAGOSTINO] #2581260
11/21/18 09:12 PM
11/21/18 09:12 PM
Joined: Aug 2003
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Bend,OR USA
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Originally Posted By TONY_DAGOSTINO
62 MW blocks, ive seen there are also 2 bosses at the rear of the intake area, look similiar to water pump housing bosses, but of course not open. only HD blocks had those from what im told

I've not seen a lot of original 413 M.W. blocks but I'm going to say none of them used the H.D. industrial blocks to start with shruggy
I have used a 413 H.D. block to replace a original 413 passenger car block in a original 1962 Dodge M.W. Dart, the original 413 block in that car(not sure if it was the original proper block or not either) was already bored to 4.240 and it did not sonic test well either down
I had the 413 H.D. block bored too 4.250 and had Diamond make a set of reverse domed pistons to make 9.4 to 1 compression ratio so the customer could drive it on the street with CA pump swill back a long time ago in the mid 1990s shruggy
I am using a 1972 413 H.D. truck block in my 1963 Fury to mess with some of the local car show expert crowd devil stirthepot hammer haha
I'll tell them a story like I know what I'm talking about whistling
I'm going to tell them it was a rare factory option police pursuit car or something similar, it has a set of 440 Source heads painted the Mopar green and a 4.150 stroke crankshaft with a little over 10.3 to 1 compression so I'm hoping it will make north of 525 HP boogie


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Max Wedge Block? [Re: Cab_Burge] #2581782
11/23/18 01:45 AM
11/23/18 01:45 AM
Joined: Dec 2013
Posts: 4,651
Wichita
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Wichita
Originally Posted By Cab_Burge
Originally Posted By TONY_DAGOSTINO
62 MW blocks, ive seen there are also 2 bosses at the rear of the intake area, look similiar to water pump housing bosses, but of course not open. only HD blocks had those from what im told

I've not seen a lot of original 413 M.W. blocks but I'm going to say none of them used the H.D. industrial blocks to start with shruggy
I have used a 413 H.D. block to replace a original 413 passenger car block in a original 1962 Dodge M.W. Dart, the original 413 block in that car(not sure if it was the original proper block or not either) was already bored to 4.240 and it did not sonic test well either down
I had the 413 H.D. block bored too 4.250 and had Diamond make a set of reverse domed pistons to make 9.4 to 1 compression ratio so the customer could drive it on the street with CA pump swill back a long time ago in the mid 1990s shruggy
I am using a 1972 413 H.D. truck block in my 1963 Fury to mess with some of the local car show expert crowd devil stirthepot hammer haha
I'll tell them a story like I know what I'm talking about whistling
I'm going to tell them it was a rare factory option police pursuit car or something similar, it has a set of 440 Source heads painted the Mopar green and a 4.150 stroke crankshaft with a little over 10.3 to 1 compression so I'm hoping it will make north of 525 HP boogie


LOL!

My story/tech card changes depending on my mood. Sometimes the 505" with ported Stealths is a Poly 318, other times it is a low compression RV 440. The "RAMCHARGER 426" valvecover decals are always played off as B.S. haha

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