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What does RL mean on a HEMI casting? #1949218
11/11/15 03:01 AM
11/11/15 03:01 AM
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Posts: 1,394
Texas
TheHemi Offline OP
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TheHemi  Offline OP
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Texas

What does the RL mean on a 2468330 HEMI casting?


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Re: What does RL mean on a HEMI casting? [Re: TheHemi] #1949243
11/11/15 05:26 AM
11/11/15 05:26 AM
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SE PA
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Re: What does RL mean on a HEMI casting? [Re: TheHemi] #1954136
11/19/15 03:14 AM
11/19/15 03:14 AM
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Texas
TheHemi Offline OP
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Thanks, but I don't see an "RL" listing on that page.
Unless it's for L = 'Low Compression' and R = '1961'.
But a HEMI in 1961?


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Re: What does RL mean on a HEMI casting? [Re: TheHemi] #1954308
11/19/15 03:09 PM
11/19/15 03:09 PM
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Grand Prairie,Texas
stumpy Offline
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Not R=1961 but R for regular fuel maybe. On the same list as the Low compression.

Re: What does RL mean on a HEMI casting? [Re: TheHemi] #1954341
11/19/15 04:05 PM
11/19/15 04:05 PM
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Posts: 21,071
Niles , Ohio
T
therocks Offline
oh wait.but hey.lets see.oh yeah.
therocks  Offline
oh wait.but hey.lets see.oh yeah.
T

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IIRC industrial hemis were avaliable in quite a few years in the early 60s.Almost bought one that was on an air raid siren.Rocky


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Re: What does RL mean on a HEMI casting? [Re: TheHemi] #1954345
11/19/15 04:12 PM
11/19/15 04:12 PM
Joined: Jan 2003
Posts: 25,784
Rio Linda, CA
John_Kunkel Offline
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Originally Posted By TheHemi
Thanks, but I don't see an "RL" listing on that page.
Unless it's for L = 'Low Compression' and R = '1961'.
But a HEMI in 1961?


L and R are stamped after the block leaves the mold while the LR is a raised casting created from the mold.

I've never seen a conclusive explanation as to what the raised casting symbols mean but they're obviously foundry info.


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