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12-14-2006, 10:56 AM
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#1 |
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Junior Member
Join Date: Feb 2005
Location: topeka, kansas
Posts: 258
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Engine Suffix code U5?
I've got V0728U5 stamped on the block, in front of the passenger side head. I've searched the links below, and don't see anything like that. What does U5 mean?
http://www.nastyz28.com/gm-chevy-cod...s-suffix-2.php http://www.nastyz28.com/sbchevy/sblock.html |
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12-14-2006, 12:09 PM
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#2 |
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Registered User
 
Join Date: Sep 2006
Location: Lancaster, PA
Posts: 271
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Re: Engine Suffix code U5?
It should be all letters for the suffix. They used 2 letters until 69 and in 70, started using 3 letters. Look closely at that second digit. Also, car engines started with a "C" and trucks with a "T" starting with 1970. An exception is "CE". That meant an engine that was bought over the counter from a dealership. I'm sure there are more exceptions as this is GM afterall. Any more info anybody?
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70 Custom/10, 396, Muncie 4spd, SWB SOLD 72 Cheyenne K20, 350, Granny 4spd, LWB, daily driver 72 Cheyenne Super C20, 350, Turbo 400, LWB, parts truck for 4WD Cheyenne |
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12-14-2006, 12:20 PM
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#3 |
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Dave's not here, man
Join Date: Jun 2004
Location: Winder, Georgia
Posts: 2,000
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Re: Engine Suffix code U5?
Could it be US? If so, this is what nasty z-28 shows:
US: 1979 305 LG4 H 160 4 Cutlass
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- 2014 VW Jetta - 2015 VW Jetta - 1966 Ford F-250 |
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12-14-2006, 12:28 PM
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#4 |
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Senior Member
Join Date: Sep 2000
Location: Agency IA.
Posts: 1,845
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Re: Engine Suffix code U5?
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72 Chevy short step side with 454 air and tilt. 72 nova project car 63 chevy II drag car Agency Iowa |
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12-14-2006, 01:06 PM
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#5 | |
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Junior Member
Join Date: Feb 2005
Location: topeka, kansas
Posts: 258
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Re: Engine Suffix code U5?
Quote:
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_______________________________________ 62 SWB BBW (under construction) 86 Vette Convertible |
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12-14-2006, 03:23 PM
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#6 |
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Registered User
Join Date: Sep 2006
Location: Lancaster, PA
Posts: 271
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Re: Engine Suffix code U5?
Anyway you could take a pic and post. That's a new one to me.
__________________
70 Custom/10, 396, Muncie 4spd, SWB SOLD 72 Cheyenne K20, 350, Granny 4spd, LWB, daily driver 72 Cheyenne Super C20, 350, Turbo 400, LWB, parts truck for 4WD Cheyenne |
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12-14-2006, 05:51 PM
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#7 |
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Junior Member
Join Date: Feb 2005
Location: topeka, kansas
Posts: 258
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Re: Engine Suffix code U5?
Here's the pic - thanks for the help
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_______________________________________ 62 SWB BBW (under construction) 86 Vette Convertible |
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12-14-2006, 09:13 PM
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#8 |
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Senior Member
Join Date: Sep 2000
Location: Agency IA.
Posts: 1,845
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Re: Engine Suffix code U5?
It could be that it was mis stamped. Ever here the old saying mind your ps and qs it was started buy type setters.
Can you get the cast # off the block and heads?
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72 Chevy short step side with 454 air and tilt. 72 nova project car 63 chevy II drag car Agency Iowa |
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12-14-2006, 11:32 PM
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#9 |
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Junior Member
Join Date: Feb 2005
Location: topeka, kansas
Posts: 258
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Re: Engine Suffix code U5?
Casting number on the back of the block is 8970020. I'll pull one of the valve covers tomorrow and get the head number if this doesn't identify it.
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_______________________________________ 62 SWB BBW (under construction) 86 Vette Convertible |
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12-15-2006, 12:05 AM
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#10 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: Engine Suffix code U5?
8?----3970020='68-'73--307 truck and pass.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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