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#56750 02/20/2006 2:01 AM | Joined: Jan 2005 Posts: 24 Member | | Member Joined: Jan 2005 Posts: 24 | Is the 228 gmc a babbit bairing motor (1950) | | |
#56751 02/20/2006 3:31 AM | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | | | |
#56752 02/20/2006 5:54 PM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | I'm not a older GMC guy but it seems to me that I've heard that all the Jimmies were insert bearing engines. Can one of the real GMC members confirm that? | | |
#56753 02/20/2006 8:45 PM | Joined: Jun 2005 Posts: 153 Member | | Member Joined: Jun 2005 Posts: 153 | don't quote me, but some time back in the late 30's, the gmc's used full pressure oiling/bearings. i think chevy used the babbit system up until the mid 50's.
my 53 gmc 100-22, 228 has the full pressure system.
tony
Overland Blue, 1953 GMC 1/2T, 100-22, 228/1bbl, 4sp/4.10 6v, shortbed/fender side/5-window.
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#56754 02/21/2006 10:47 PM | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | GMC went to full-pressure oiling and insert bearings in the late 30s when the 228-302 engines were designed. They also used higher nickel-content iron in the blocks. Just look at GMC gauges - the have 0-60 psi readings, rather than 0-30 psi. | | |
#56755 02/22/2006 12:34 PM | Joined: Mar 2003 Posts: 313 'Bolter | | 'Bolter Joined: Mar 2003 Posts: 313 | The 1936 GMC 213 engine (Olds inline 6) was a full pressure engine. My oil pressure gauge goes from 0 to 80 psi, usually runs in 25 to 36 psi range. | | |
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