5.7 Hemi in 66 Charger

Mike Beaudoin

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I am putting a 2020 5.7 in my 66 Charger, do anyone know how to adapt the A833 to this motor and where to get parts?
 

Project66

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Here's an aluminum bellhousing from Lakewood that's half the price. Link
 

Mike Beaudoin

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That is interesting, my understanding is that the bellhousing pattern is the same on the SB and the 5.7. I understand from my research that the flywheel is different 8 bolt vs 6 bolt. one guy also stated that he put on on but had to cut 5/8 off the transmission input shaft. Has anyone done this installation?
 

BB BELLA

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why wouldn't you use the new manual transmission and the benefit of the extra gears and pre-engineered!
 

Project66

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There are a lot of kits out there from places like American Powertrain, Modern Driveline, and Silver Sport Transmissions. They will sell you a kit with everything that you need. I did the TKX conversion a few months ago. It was a lot of work, but I'm really happy with the result.
 

Project66

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Sounds like a cool project!
I have not done a trans swap in decades, so it was a real challenge. Still, it was a lot of fun. My dad came over and helped with the project and it was a lot of fun to work on the car with him again. I've done almost all of the work on the car by myself and I kinda' like it that way, but Dad got me started on this journey back when I was kid in the 70's, so working together is natural.

Anyway, the 2022 round of upgrades was: replace manifolds with headers, replace 2.93 open rear with 3.55 Powr-Lok, and replaced A904 with a TKX from American Powertrain. The car has been transformed from sleepy to rowdy, and I love it!

When I bought the car, the 360 had been rebuilt much like the one that Holdener built in this video (same XE268 cam, rockers, Holley 670, etc.). I don't think my heads have been worked like Holdener's (mine have the stock-sized 1.88 valves) and I have Weiand intake instead of the Edlebrock RPM, so I figure it probably makes about 350 hp compared to his 387 hp.
 

Mike Beaudoin

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Should be a beast if I can gater the parts, i am an old hot roder and do not buy new stuff unless I have to.
 
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