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Jul 21st, 2025 | | | | Joined: Mar 2006 Posts: 77 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 77 | Hey everyone,
I just recently acquired a Chevrolet engine head that I do not need, and I would like to resell it - but I have no idea what it is!! It's actually the entire top of the motor with the intake and exhaust manifolds, thermostat housings, etc.
I was told is was a 230 head, but the intake exhaust manifolds are separate, like they are on a 235, and I thought that 230/250s had intake/exhaust manifolds that were attached.
So, anyway, I wrote down all of these numbers, hoping maybe someone here would be kind enough to tell me what it is!!
Here are some numbers from the passenger side of the motor, towards the front: 46F 2088
Towards the back of the motor, also on the passenger side: 2084
On the intake manifold: 3823418, GM 28, F121
And finally, under the valve cover:
towards the front of the motor: GM 18
in the middle: 084
Towards the back: 9962084
Thanks a lot!! | | | | | Joined: Mar 2006 Posts: 77 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 77 | Any ideas on what this motor might be, or how I can find out? | | | | | Joined: Apr 2006 Posts: 273 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 273 | Try Googling the casting numbers. I did that with what I thought was a Chevy engine - turned out to be an Olds engine.
Search for "casting number 1234567", or whatever WITH the quotation marks.
Hope this helps.
| | | | | Joined: Mar 2006 Posts: 77 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 77 | Thanks, where do I find the casting numbers on the head? I have read to find casting numbers on the block, but never the head. | | | | | Joined: Apr 2006 Posts: 273 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 273 | ......but never the head. Me either. I took pics and posted them, and a lot of guys here were kind enough to help me ID what I had. I used photobucket.
| | | | | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 | 1973-74 GMC & Chevy 250
catalog lists head casting # 3962084
No listing with a 9 962084
-Tom
1950 Chevy 3100 w/ 1956 235
| | | | | Joined: Mar 2006 Posts: 77 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 77 | 1973-74 GMC & Chevy 250
catalog lists head casting # 3962084
No listing with a 9 962084 Right! That was misprint from me, as I just checked the head again and those numbers match exactly. But one thing that I am confused about, is the exhaust and intake manifolds are divided like on a 235, I thought that 250 intake manifolds were one piece? | | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | Not all 250's had the integrated heads, just the later ones,
Scott | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | The integral-intake head makes a pretty good boat anchor- - - -you've got the better one if the intake unbolts. The exhaust was separate on all the I-6's.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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