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7 members (NJC, Gray_Ghost, GMCJammer51, Greg_H, 50Chevy3100, 1955 1 Series, 1 invisible),
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Mod | | | Forums66 Topics128,073 Posts1,055,908 Members48,429 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2012 Posts: 109 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 109 | So, I am wanting to do a full rebuild of my GMC 228 out of my 1950. I was informed that almost all of the heads on these motors are cracked. I am in shock because I thought these were well built motors. I Want to keep this truck as stock as possible. I don't care if I can' t drive across the country at 75mph. I am aware that these trucks were built to work. I just want to restore the old girl and spend my weekends putting around and waxing her. Why are these heads so "fragile"? I guess we will see if my head is cracked before tear down. Also, anyone know of great parts resource for the 228? Thanks.
MFW | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I am guessing that it is a bit of an exaggeration. I wouldn't be all worried just yet. | | | | | Joined: Oct 2012 Posts: 109 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 109 | The truck ran well when I parked it a few years back. Smoked a bit but if I am going to restore the truck I am going through the motor and transmission. I am hoping that the head will be fine.
Thanks | | | | | Joined: Oct 2012 Posts: 109 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 109 | The truck ran well when I parked it a few years back. Smoked a bit but if I am going to restore the truck I am going through the motor and transmission. I am hoping that the head will be fine.
Thanks | | | | | Joined: Apr 2005 Posts: 1,107 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 1,107 | use it as you say and you'll have no worries. depending on how you laid it up id be concerned with the block. | | | | | Joined: Jan 2009 Posts: 1,644 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 1,644 | I just got done rebuilding a GMC 228 /52 and never heard of GMC heads having a problem with cracking.Go on the GMC site there is alot of info on our trucks and engines.
OldGMCtrucks.com
Pete | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | A lot of heads are cracked by air pockets upon first coolant fill. A 1/8" hole drilled in the thermostat helps alleviate this problem. | | | | | Joined: Oct 2012 Posts: 109 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 109 | I will am keeping my fingers crossed that the head is fine. I just want the engine completely gone through before I restore the truck completely. Thanks for all the advice.
Anyone recommend a good source for GMC parts?
MFW | | | | | Joined: Jan 2009 Posts: 1,644 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 1,644 | Patrics has all the engine parts,I just got done rebuilding a 228 and they had everything,oil pump,rings,bearings.They are very good to work with also.
Pete | | |
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