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228 gmc valves
#1454797 06/11/2022 4:16 PM
Joined: Jun 2006
Posts: 36
Edmond, Oklahoma
F
forman
Offline
'Bolter
forman
'Bolter
F Offline
Joined: Jun 2006
Posts: 36
Edmond, Oklahoma
I'm having the engine rebuilt in my 1950 GMC one ton, my mech.has replaced the valves with valves from a 283 cu.in. chevy. Has any one heard of this before? He changed the valve seats from 30 degs. to 45 degs.
Re: 228 gmc valves
forman #1454814 06/11/2022 7:11 PM
Joined: Jun 2011
Posts: 5,096
Longmont, CO
E
EdPruss Offline
Crusing in the Passing Lane
EdPruss
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
Longmont, CO
Whatever fits is OK, they are all the same, unless something different like Na cooled, etc.

Ed

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: 228 gmc valves
forman #1454818 06/11/2022 7:51 PM
Joined: Apr 2005
Posts: 7,440
El Reno, Okla
Justhorsenround Offline
Bolter
Justhorsenround
Bolter
Offline
Joined: Apr 2005
Posts: 7,440
El Reno, Okla
It’s fine, Hotrod Lincoln talks about the upgrade all the time. Sounds like you have found a good inline 6 mechanic.

Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
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Re: 228 gmc valves
forman #1454935 06/12/2022 6:54 PM
Joined: Dec 2018
Posts: 2,450
Illinois
F
fixite7 Offline
'Bolter
fixite7
'Bolter
F Offline
Joined: Dec 2018
Posts: 2,450
Illinois
forman Easy to do,would use the valves with the hard buttons on the stem more durable.

Moderated by  Phak1, Woogeroo 

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