Thread: 1955 Chrysler 331 Hemi build for '34 Plymouth Coupe

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That's going to be a nice motor.

".....That's going to be a nice motor....."


Dave's motors are.

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Very nice! Are those hot heads freeze plugs?

Yes, the stainle$$ plugs are for the coreplug holes... I think they need a thicker o-ring, and maybe a little more crush, but they claim they have not had any issues. I will modify if I need to.

Balance job is back, so some more work got done.

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Oh, so very nice!

Got all of the pistons in, timing cover on, oil pump on after some main cap nut & washer massaging.


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To much O.D. on that nut?

Originally Posted by 34_40

To much O.D. on that nut?

Yes, had to remove about 0.030" to 0.040" to ensure it cleared the op adapter sleeve.

Very nice! It's always something every time you turn around huh?

Originally Posted by 69Bee

Yes, had to remove about 0.030" to 0.040" to ensure it cleared the op adapter sleeve.

Turned it in the lathe?? Curious how you held it. Expanding arbor or a simple bolt/stud?

Originally Posted by 34_40

Turned it in the lathe?? Curious how you held it. Expanding arbor or a simple bolt/stud?

Lathe; the 12 point nut chucked up and run true, so I cut it. It isn't a critical measurement, so TLAR accuracy works...

TLAR... funny.. I haven't tried a 12 point bolt head so I thought I'd ask. Thanks for sharing.

Are you aware that the V6/small block timing chain tensioner will fit the early Hemi with very little modification? I put one on my 331. They are a nice addition.