Engine and Heads i.d. please - The 1947 - Present Chevrolet & GMC Truck Message Board Network

dingo_dan_22 · 03-14-2008, 03:52 AM

Can anyone i.d. this engine and these heads for me please?

-engine (under pass. head) K0 29C3T
181121486
(behind drivers head) 3970010

-heads -driver side 333882
-pass. side 482824

retselgerg · 03-14-2008, 03:58 AM

68 327, no dice on the heads though

**too much stuff** · 03-14-2008, 05:29 AM

block is 69-79 350 car or truck.
Driver head,74-80 350 or 400 car or truck.
Pass head, could it be 462624? If so, 71-85 350 or 400 car or truck.
Would need the casting dates to get closer.

*Billla* · 03-14-2008, 06:06 AM

I can never figure out why people look this stuff up vs. just sharing the link:

http://www.mortec.com/castnum.htm

joedoozer · 03-14-2008, 06:36 AM

3970010 is probably the most common number. It is used on 2 engines.

1968- 327
and
1969 thru 1979- 350

Cylinder heads are
1970-80 333882 CID 350,400 Int.-1.94 Exh.-1.5 CC.-76

So makes me think you have a low horsepower 350 from the 70's

Here is a link
http://www.73-87.com/chevy_ids/sbcid2.htm

retselgerg · 03-14-2008, 06:40 AM

doozer has a good point.. doesnt really matter, unless you plain on using the (prob) wore out crank anyway

joedoozer · 03-14-2008, 06:48 AM

Vortec heads solve the problem of owning a smog motor from the 70's

. Spend a few pennies on getting the valves done on the 882 heads, someone will buy them. I have the original 350 from my 72 on the engine stand right now. And I am headed down that exact road.

03-14-2008, 03:52 AM	#1
dingo_dan_22 Registered User Join Date: Dec 2006 Location: Saskatchewan Posts: 119	Engine and Heads i.d. please Can anyone i.d. this engine and these heads for me please? -engine (under pass. head) K0 29C3T 181121486 (behind drivers head) 3970010 -heads -driver side 333882 -pass. side 482824 __________________ 71' Chevrolet -> 350c.i. w/ 600 Edelbrock Carb, Headers, P/S, 3/5 Drop

03-14-2008, 03:58 AM	#2
retselgerg Registered User Join Date: Mar 2007 Location: Grundy Virginia Posts: 385	Re: Engine and Heads i.d. please 68 327, no dice on the heads though __________________ "OLE BLUE" Goodwrench 350, 5speed, Tilt, PS, PB, "some guys got into cars for money or girls but i got into cars because of the cars" -Jay Leno

03-14-2008, 05:29 AM	#3
too much stuff Roadtrip! Join Date: Feb 2003 Location: Grand Rapids MN Posts: 13,713	Re: Engine and Heads i.d. please block is 69-79 350 car or truck. Driver head,74-80 350 or 400 car or truck. Pass head, could it be 462624? If so, 71-85 350 or 400 car or truck. Would need the casting dates to get closer. __________________ 67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto

03-14-2008, 06:06 AM	#4
Billla Account Suspended Join Date: Sep 2005 Location: Monroe, WA Posts: 3,815	Re: Engine and Heads i.d. please I can never figure out why people look this stuff up vs. just sharing the link: http://www.mortec.com/castnum.htm

03-14-2008, 06:36 AM	#5
joedoozer is Certifiable Join Date: Feb 2008 Location: Hinesville, Georgia Posts: 160	Re: Engine and Heads i.d. please 3970010 is probably the most common number. It is used on 2 engines. 1968- 327 and 1969 thru 1979- 350 Cylinder heads are 1970-80 333882 CID 350,400 Int.-1.94 Exh.-1.5 CC.-76 So makes me think you have a low horsepower 350 from the 70's Here is a link http://www.73-87.com/chevy_ids/sbcid2.htm Last edited by joedoozer; 03-14-2008 at 06:37 AM.

03-14-2008, 06:40 AM	#6
retselgerg Registered User Join Date: Mar 2007 Location: Grundy Virginia Posts: 385	Re: Engine and Heads i.d. please doozer has a good point.. doesnt really matter, unless you plain on using the (prob) wore out crank anyway __________________ "OLE BLUE" Goodwrench 350, 5speed, Tilt, PS, PB, "some guys got into cars for money or girls but i got into cars because of the cars" -Jay Leno

03-14-2008, 06:48 AM	#7
joedoozer is Certifiable Join Date: Feb 2008 Location: Hinesville, Georgia Posts: 160	Re: Engine and Heads i.d. please Vortec heads solve the problem of owning a smog motor from the 70's . Spend a few pennies on getting the valves done on the 882 heads, someone will buy them. I have the original 350 from my 72 on the engine stand right now. And I am headed down that exact road.



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