Re: {Chrysler 300} ‘65 300L Motor Rebuild

["'Matt Allyn' via Chrysler 300 Club International" <chrysler-300-club-international@xxxxxxxxxxxxxxxx>]

As far as the part of…
“...does anyone have .030 over 413 pistons for sale?"

I am also rebuilding a 413.
I am having the pistons made at: https://auto.jepistons.com/pistons/domestic/mopar?engine=56&make=27
I will be paying more than those you found on eBay.
I read the Neutral & the Negative Feedback of that seller on eBay; so just be careful.

I am going with the advice of Ken & Brad Brody on this build; a lifetime & more of Mopar knowledge amongst them.
I just built a 383; but those parts & pistons are much more available than the 413 goods.
A company called Egge Machine also sells the 413 pistons…BUT…I have been warned to NOT use them, as they have a tendency to fail.

This may fall into that category of you get what you pay for, in my decision to pay around a grand for a set of pistons.
Sounds crazy, I know, but I don’t ever want to rebuild this engine again in my lifetime.
Last time I rebuilt it; it lasted for 20 years & many, many miles.

Thanks and good luck!
Matt Allyn

> On Jul 16, 2023, at 7:11 AM, 'John' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
> 
> 
> Report <https://www.forcbodiesonly.com/mopar-forum/posts/1171821/report>
>  <https://www.forcbodiesonly.com/mopar-forum/posts/1171821/reactions?reaction_id=7> <https://www.forcbodiesonly.com/mopar-forum/posts/1171821/reactions?reaction_id=7>Add 
>  <https://www.forcbodiesonly.com/mopar-forum/posts/1172385/bookmark>
> 
>  <https://www.forcbodiesonly.com/mopar-forum/posts/1172385/reactions?reaction_id=9> <https://www.forcbodiesonly.com/mopar-forum/posts/1172385/reactions?reaction_id=9>
>  <https://www.forcbodiesonly.com/mopar-forum/posts/1173709/bookmark>
> Below is a copy of part of a thread that features my ‘65 300L that is over on forcbodiesonly, under the title “The Cat Is Out Of The Bag”. This part contains information on the rebuild of the 413 motor and I’m looking for comments. 
> 
> First off, and obviously should have asked here sooner but, does anyone have .030 over 413 pistons for sale?
> 
> Second, I did read about the camshaft for the L motor being available and that Jamie Hyde was part of that. I did contact, through email, that company but never received any response. I didn’t call them and maybe I should.
> 
> Well on to the story. Thanks, in advance, for reading it. Regards, John Klir
> 
> 
> Late afternoon Friday July 14th I finally saw the 413 short block bolted together. I was pondering, for awhile now, if I should have the machine shop complete the build to a long block.
> 
> These are the specifications on the pistons and camshaft that the builder installed. First off the machine work does look nice. The cylinders are as slick looking as I’ve seen but I didn’t see crosshatching. I believe I should see it. Unfortunately I didn’t take any photos this trip. This machine shop doesn’t build many Mopar engines.
> Like I said before I hope I’m not in a pickle.
> 
> Details: The Pistons are ebay specials with the name RC, Rebuilders Choice. They are aluminum and are flat tops. Advertised as 10-1 compression and .030 over.
> 
> 
> 
> 
> 
> 
> <IMG_3450.png>
> As I said the short block is together so I don’t know specifics internally as far as bearing clearance or thrust numbers.
> 
> Now the camshaft, after discussing with the “Boss” about the Chrysler Letter cars plus the need to stay as original as possible, and sending him the 300L specifications that I found on the Chrysler 300 International Club website had acquired, from Old Parts Source, is this SPD11. Here are charts I found on it.
> 
> 
> On the Summit auto parts website additional cam information was listed.
> 1. Intake center line (degrees) 110
> 2. Exhaust center line (degrees) 116
> 
> Below is the Letter Cars Camshafts specifications with arrows pointing to the 300L numbers.
> 
> 
> 
> 
> My plan, as of right now, is to pickup the short block next week to bring back and disassemble to check clearances. In the meantime reconsider my camshaft options. Using the original cam would take some checking to see if it’s Ok. The lifters may not be good because I checked those and the bases are concave. But they are still in order. I do have a new set of Comp Cam lifters that are 20 years old, that came with a new RV cam, which might be a decent option. Good low end torque I believe.
> 
> The 452 heads have the hardened seats installed and a valve job done. Looks good. Lastly the flywheel was glass beaded and surfaced.
> 
> Certainty looking for input.
> 
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