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04-07-2008, 06:05 AM
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#1 |
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Registered User
 Join Date: Apr 2008
Location: atlanta ga
Posts: 6
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Big Block casting #'s
What were the casting #'s used in the 71-72 402 BB. What it the 290 casting? Guys with original 402 BB please ring in. My truck appears to have a been a BB from the factory but at some point it was replaced with a 350. I would like to find at least the corrrect casting to put it back close to original. Head casting #'s?
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1972 Cheyenne SWB 402/TH400, A/C, Tilt, PS, PB. 
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04-07-2008, 06:06 AM
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#2 |
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Registered User
Join Date: Jan 2007
Location: Charles City IA
Posts: 1,626
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Re: Big Block casting #'s
 to the board! The SPID, the sheet on the inside of the glove box door, will tell you the options that your truck originally came with
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'67 C20, Under the Knife!, LWB, Eaton HO-52, Rear Coil Springs 72' GMC C2500, 350, TH400(?), Dana 60 '67 K10 4-spd., 305, SM465, Dana 44, 12 Bolt, RUST! '65 C60 292, 4 spd, 2 spd Rearend, 15' Grain Box, MINT! 09 Yukon Denali 82k Miles 6.2L/6A Last edited by ed2552; 04-07-2008 at 06:07 AM. |
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04-07-2008, 06:09 AM
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#3 |
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Registered User
Join Date: Jan 2007
Location: Charles City IA
Posts: 1,626
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Re: Big Block casting #'s
Also, we LOVE pics here, so to post, Hit the Go Advanced Button at the bottom of the page, write what you want, and go to manage attachments and browse for pics, if you have them on your computer, and if not, take a digital camera and take some for god's sakes!
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'67 C20, Under the Knife!, LWB, Eaton HO-52, Rear Coil Springs 72' GMC C2500, 350, TH400(?), Dana 60 '67 K10 4-spd., 305, SM465, Dana 44, 12 Bolt, RUST! '65 C60 292, 4 spd, 2 spd Rearend, 15' Grain Box, MINT! 09 Yukon Denali 82k Miles 6.2L/6A |
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04-07-2008, 06:35 AM
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#4 |
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Registered User
Join Date: Apr 2008
Location: atlanta ga
Posts: 6
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Re: Big Block casting #'s
I wrote down the codes for the glove box. My wife has the camara in her car. It's not digital so that's a pain to get those developed.
It has the 1L4710 option with says 400CID. From what I've read this is the 402bb. The engine in the truck appears to be a 70 coded 350 SB though. Possibly from a C10 because it has a TBF suffix code maybe not. I see a bunch of codes on Mortec but I thought maybe there were specific ones for the c10/cheyenne.
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1972 Cheyenne SWB 402/TH400, A/C, Tilt, PS, PB.
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04-07-2008, 09:04 AM
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#5 |
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Registered User
Join Date: Mar 2006
Location: Idaho
Posts: 84
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Re: Big Block casting #'s
290 heads are 69-70 oval port closed chamber heads, correct for 402 and others.
Check Mortec.com, great site for chevy castings. |
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04-07-2008, 12:44 PM
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#6 |
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*************
Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,854
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Re: Big Block casting #'s
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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04-07-2008, 02:53 PM
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#7 |
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Registered User
Join Date: Sep 2007
Location: laura, ohio
Posts: 935
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Re: Big Block casting #'s
im not sure if this helps or not but these were the numbers off my dads 70 402
A8 70 T0116TBG
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PROJECT CIRCUIT RIDER |
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04-07-2008, 08:14 PM
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#8 |
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Registered User
Join Date: Apr 2008
Location: atlanta ga
Posts: 6
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Re: Big Block casting #'s
Thanks for the info.
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1972 Cheyenne SWB 402/TH400, A/C, Tilt, PS, PB.
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