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04-15-2002, 01:44 AM
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#1 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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327 decode?
I got the code stamped in the pad on the front of the block. F1231UE does anyone know how to decode the number to determine advertised horsepower and torque?? The casting # on the back of the block is 3782870 which mortec shows to be a 62-67 327.
I'd like to know what year the thing is for sure. The guy that sold it thought it was a 63. ------------------ Ol' Buck: '72 Chevy 1/2T 4x4 shortbox stepside 350/350auto on '84 ralleys and 31/10.5s Angel girl: 67 Cutlass convertible 330, 3spd stick Greener: 90 GMC Jimmy 350/auto Chad Stephens Orleans,NE no name yet: 72 442 under serious construction
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67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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04-15-2002, 02:14 AM
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#2 |
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Registered User
Join Date: May 2000
Location: Victoria, BC, Canada
Posts: 2,410
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I hope this isn't too disappointing...engine suffix code "UE" says its a 307!
1969 UE 307 tur hydro, A.I.R. 200hp 2bbl C-20 to 35 Have a look for yourself at: http://www.nastyz28.com/sbchevy/spcode9.html ------------------ Southpa 1970 GMC 1500 Custom Victoria, BC, Canada communities.msn.com/Alsplac/shoebox.msnw
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1970 GMC 1500 Custom Original 350/TH350 Victoria, BC, Canada You can wish in one hand and crap in the other. See which one gets filled first. |
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04-15-2002, 02:29 AM
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#3 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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could be JE, stamps are not very clean, the 3 is upside down.
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67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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04-15-2002, 03:59 AM
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#4 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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Whoa!! now I'm really confused, according to that site, the suffix is as you say. But also the casting number on the back of the block agrees with mortec's information. And according to the date code part of the site, the block was cast in November of 64 and assembled December 31st, maybe the guy doing the stamping was celebrating new years a little early??? This code's all messed up.
------------------ Ol' Buck: '72 Chevy 1/2T 4x4 shortbox stepside 350/350auto on '84 ralleys and 31/10.5s Angel girl: 67 Cutlass convertible 330, 3spd stick Greener: 90 GMC Jimmy 350/auto Chad Stephens Orleans,NE no name yet: 72 442 under serious construction
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67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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04-15-2002, 10:42 AM
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#5 |
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Senior Member
 
Join Date: Dec 2001
Location: Lexington,NC
Posts: 503
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The guy I bought my truck from told me it was a 327 turned out to be 307 after running numbers.
------------------ 68 C-10 Custom LWB 307 V8 Three-on-the-tree Lexington,NC davideowens@lexcominc.net
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68  C-10 Custom LWB307 V8 Lexington,NC davideowens@lexcominc.net God Bless America |
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04-15-2002, 01:50 PM
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#6 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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according to mortec, the crankshaft casting #2680 is a forged small journal 327 crank.
------------------ Ol' Buck: '72 Chevy 1/2T 4x4 shortbox stepside 350/350auto on '84 ralleys and 31/10.5s Angel girl: 67 Cutlass convertible 330, 3spd stick Greener: 90 GMC Jimmy 350/auto Chad Stephens Orleans,NE no name yet: 72 442 under serious construction
__________________
67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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04-15-2002, 11:14 PM
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#7 |
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Senior Member
Join Date: Apr 2002
Location: Help! I'm in an office park with its own network of freeways!
Posts: 470
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I had a similar problem with the '78 400 in my '67 C20. The casting number 3951509 says it's a 74-80 2-bolt 400 (or a 70-71 4-bolt 400 but the date code is E38, and it does have 2-bolt mains), but the stamped number F0523TTD says it's an '82 350.
It is a 400 though. Crank, flywheel, and damper all attest to that fact. Plus all the date codes are within a month of 5/78. Good 'ol GM. I decoded the suffix code with an MSA SB Chevy numbers book. If it decodes different for anyone else, let me know. ------------------ 67 C20 '78 400sb 0.030" over, 9:1 cr, CC Xtreme 4x4 254H, port-matched '69 882 heads & stock cast iron intake, rebuilt Q-jet, Summit headers (1 5/8" primaries), true dual 2 1/2" glasspacked exhaust, NP435CR trans, 4.57 Eaton rear end. It's a decent-looking work truck. No top-end, but it's great off the line.
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'67 C20--427 tall deck/SM420, 4.10 HO52 (Michigan has not been kind to the Old Man) '95 Caprice--355 LT1/T56/3.42 8.5" 10-bolt (daily driver, almost 300k on the chassis) '07 Outback--wife's car. 125k & counting. No head gasket or transmission issues yet. *fingers crossed* |
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