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05-07-2021, 09:05 PM
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#1 |
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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L03 ?
So did I get this right ... my 89 pickup has a 5.0 v8 and not a 5.7 v8 ???
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Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-07-2021, 11:22 PM
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#2 | |
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Registered User
Join Date: Jun 2014
Location: Orlando Florida
Posts: 1,598
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Re: L03 ?
You sound surprised. Is the underhood sticker missing?
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05-08-2021, 03:33 AM
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#3 |
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Registered User
Join Date: Aug 2015
Location: Las Vegas NV
Posts: 356
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Re: L03 ?
Is your 8th character of the VIN an M? If so, 5.0. If it’s an R, 5.7. Assuming it’s the original engine
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Customization is what you want it to look like -- not what other people think it should look like |
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05-08-2021, 12:14 PM
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#4 | ||
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: L03 ?
Quote:
Quote:
 I found out later that the engine had supposedly been "rebuilt" which sort of scared me since he was a real idiot. One of the motor mount through bolts was missing! But the engine ran good and stills runs good. It's the rest of the truck I keep having to fix. I was trying to figure out if it had a "limited slip" of some sort when I looked up the L03 code.
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Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-08-2021, 12:49 PM
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#5 | |
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: L03 ?
Quote:
__________________
Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-08-2021, 01:46 PM
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#6 | |
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Senior Member
 
Join Date: Dec 2009
Location: TN.
Posts: 7,905
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Re: L03 ?
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H - 1.8L L4 (LUW) H - 5.0L V8 (LX5) H - 5.0L V8 (LG4) H - 6.0L V8 (L98) SFI Link: https://www.youcanic.com/guide/chevrolet-vin-decoder .
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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05-08-2021, 02:06 PM
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#7 | |
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: L03 ?
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It doesn't really matter except I always thought it was a 350/5.7. But now I'm just going to assume that it's a 307/5.0.
__________________
Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-09-2021, 01:00 PM
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#8 |
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Registered User
Join Date: May 2004
Location: Minnesota
Posts: 4,621
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Re: L03 ?
VIN decodes change as the years go by so you should use a decode for you specific model year.
In 1989 the 8 digit H indicates a 5.0 V8 Fuel injected. L03 = Engine, Gas, 8Cyl, 5.0, TBI
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For those of you that are wondering why you are not getting replies to your thread: Did you give the model, year, engine, fuel system type, and transmission information? If it is modified from what came stock from the factory, let us know that too. |
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05-08-2021, 01:30 PM
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#9 | |
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Registered User
Join Date: Jun 2014
Location: Orlando Florida
Posts: 1,598
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Re: L03 ?
You could try checking the back of the block, if you can see anything. Drivers side behind the head.
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