Re: Info on easy engine ID for Max wedge etc

["Stephen Andrachek" <s.andrachek@xxxxxxxxxxx>]

Here's some info I found for you on the web on a chat line.

The 915's have standard 2.08 and 1.74 valves. Let's see my 440 that had the 
915 closed chamber heads.  Hope this helps.

The 516 heads are basically identical to the 915's except they have the 1.60 
exhaust valves. You can make them into 915s by putting in the 1.74's. This 
fits into the head no problem, just put in the right size exhaust valve seat 
and you're ready to rock. I had to have the exhaust valves and seats 
replaced on my 383 because it had been run on unleaded for quite some time; 
upgrading to the 1.74's cost me nothing at that point because valves and 
seats had to be replaced anyway.

915'2 were the first High Performance BB heads. They have better ports than 
the 516, some 915's that came on non performance cars did have the smaller 
exhaust valves, but they can easily handle the 1.181 valve. 915's were 
basically a one year item for 1967, in 1968 heads were changed to 906 open 
chamber to meet emmissions. The 516 heads were used on all big blocks prior 
to 67 except for the max engines

Chick


----- Original Message ----- 
From: <pjlenn@xxxxxxxxx>
To: "The 1962 to 1965 Mopar Mail List Clubhouse" 
<1962to1965mopars@xxxxxxxxxxxxxxxx>
Sent: Wednesday, June 15, 2011 9:32 PM
Subject: Re: Info on easy engine ID for Max wedge etc


Are all of those head castings closed chamber?  What about the 915
casting?

Paul Lennemann

On Jun 14, 2:23 am, "Stephen Andrachek" <s.andrac...@xxxxxxxxxxx>
wrote:
> Hello, Richard. I hope this info helps you at least somewhat. The 413 Max 
> Wedge engines were truck blocks. The truck blocks had an extra 5% nickle 
> in the metal of the block. The block, if it was going to be a Max Wedge, 
> had to have the edges of the cylinders notched to clear the bigger valves 
> in the Max Wedge heads. All of the truck blocks and all the Max Wedge 
> blocks have the same numbers on them. Here's what I found out after doing 
> some research for you on the web. The last bit of info I found tells you 
> where on the block to find the numbers.
>
> 413 max wedge question...
> --------------------------------------------------------------------------- 
>  -----
>
> I got a spare block thrown in with a deal on a Cuda drag car that I 
> purchased, the guy said it was 413 with a 426 wedge crank. I took it home 
> and put it in the corner of the shop, and forgot about it. This weekend I 
> started tracking the numbers on the block and looking for some info. The 
> numbers are 1852029-2 with a AAQA 3R. From what I find they say this is a 
> Max wedge block. It has the valve reliefs too. Does anyone know about 
> these motors and what they are worth? Is it worth a decent build?
>
> I also found this:
>
> 1852 029 413 RB Truck &1962 Max Performance
>
> Big Block Mopar Head Casting Numbers
> Casting # Chamber Vol. Intake Valve Exhaust Valve Comments
> 2406158 73.5cc 2.08 1.6 1967 440
> 2463200 73.5cc 2.08 1.74 1963 361/383/413/426
> 2406209 81cc 2.08 1.88 1963 Max zWedge
> 3751213 2.08 1.74 1973 400/440 motorhome
> 2402286 81cc 2.08 1.88 1962 413 Max Wedge
>
> the block casting
> > number of 1852029,
> > > which indicates it to be a 1962 413 block, has 'V
> > 41' stamped on the
> > > pad at the left front of the engine. I think the
> > 'V' means it was
> > > stamped in 1964.
>
> If it has the right numbers and it is in good shape and the price is 
> right, go for it. A 413 can be bored .060 over but only go a max of .040 
> overbore on a 440 engine. Not enough meat on them bones to overbore a 440 
> to .060 over. Just asking for trouble. I know this wasn't part of your 
> question but no harm in maybe learning something you didn't already know.
>
> Stephen "Chick" Andrachek
>
>
>
>
>
>
>
> ----- Original Message -----
> From: Richard Kinsley
> To: 1962to1965mopars@xxxxxxxxxxxxxxxx
> Sent: Monday, June 13, 2011 11:03 PM
> Subject: Info on easy engine ID for Max wedge etc
>
> My cousin went to Ecology Wrecking in Wilmington, CA which is near the old 
> Lion's Dragstrip. He happened to open the hood on a '63 Chevy pick-up and 
> discovered what he says is a 413 Mopar motor and the pb trans was also 
> installed. I guess it's complete. He also found a 1ton Dodge Van with 
> either a 383 or 440. He said he couldn't get to the numbers on it.
>
> I was wondering if that 413 might have been a Max Wedge? How can he tell 
> easily? Are the valve covers different? I think Dodger said they were. How 
> about ID numbers? He is considering removing the heads if that's the case. 
> Personally I think he should probably take the whole thing? What is the 
> concensus with the rest of you?
>
> --
> Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies
>
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