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Hemi head #2876389 01/19/21 01:34 AM 01/19/21 01:34 AM
Joined: Aug 2005 Posts: 303 Staten Island, NY R RO23dave OP enthusiast
RO23dave OP enthusiast R Joined: Aug 2005 Posts: 303 Staten Island, NY	Is there such a hemi head as an L head? If there is what’s the difference between an L head and an M head? Looking for a possible replacement but can’t find another M head. Thanks in advance for comments Dave SS/ea #1355

Re: Hemi head [Re: RO23dave] #2876399 01/19/21 06:18 AM 01/19/21 06:18 AM
Joined: Nov 2020 Posts: 348 Isle of Sheeps Gtxxjon enthusiast
Gtxxjon enthusiast Joined: Nov 2020 Posts: 348 Isle of Sheeps	Hi Dave, Not sure what a 'L' head is? But I have both a 'M' head and a 'M2' head and they are slightly different. Very obvious on the outside with machining marks, and the ports are way better with the 'M2'. I believe the original 'M head' is a copy of the first 1965 Alcoa head but that seems a bit 'far fetched' after 50+ years... Carpe diem, quam minimum credula postero, thanx Horace! There’s no point trying to fix stuff that ain’t broke,,, 'but if ain’t broke',,, you is not trying hard enough...

Re: Hemi head [Re: RO23dave] #2876447 01/19/21 10:19 AM 01/19/21 10:19 AM
Joined: Mar 2011 Posts: 3,073 Michigan A A727Tflite master
A727Tflite master A Joined: Mar 2011 Posts: 3,073 Michigan	Originally Posted by RO23dave Is there such a hemi head as an L head? If there is what’s the difference between an L head and an M head? Looking for a possible replacement but can’t find another M head. Thanks in advance for comments Dave SS/ea #1355 Are you talking cast iron or aluminum ? Where are you seeing the L and the M ?

Re: Hemi head [Re: A727Tflite] #2876620 01/19/21 02:52 PM 01/19/21 02:52 PM
Joined: Jan 2003 Posts: 3,504 DFW M mr_340 master
mr_340 master M Joined: Jan 2003 Posts: 3,504 DFW	That sounds like the month that the heads were cast on the original Street Hemi heads, 559, not 559-M. Floyd Lippencott IV

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