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How can you check which model year Ls1 you have?

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Old 08-04-2005 | 09:56 AM
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300bhp/ton's Avatar
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Default How can you check which model year Ls1 you have?

Is there a look up guide for the VIN or engine number at all?

Or is it more the case of having to identify components under the bonnet.

The reason I ask is I've been looking at a Z28, it was 1st registered in 2000. But that doesn't tell me what model year it is. I'm not sure when it was 1st registered so it could late on meaning the possibilty of 01 spec, but I would guess as the Camaro's where slow sellers over here in England that it could be a 99 model year that was only registered when it was sold in 00. Or of course it could be a genuine 2000.

Confused yet? Because I am.

But its rather important, as I'm sure you are all awhere if your buying LT headers or replacement lids, the model year plays an important role.


Cheers for your help.
Old 08-04-2005 | 10:28 AM
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Are there any GM/CHEVY dealers over there? If so call them and giv them the vin and they can tell you what is the year. Also if it has an egr its a 98-00, the 01/02 doesn't have them. If you dont have a dealer post the vin# and I'll call a local dealer for you.
Old 08-04-2005 | 10:44 AM
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post the vin and we'll be able to figure it out!
Old 08-04-2005 | 10:48 AM
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I spent ages trying to get engine build date without success.
My engine came out of a 2002 Firebird
Nearest I got, via the VIN number and a helpfull Pontiac dealer ,was the car build date and the assumption that the engine would have only been in stock a max. of 2 weeks ish.
You should find many threads on this site to help you build up the information from the VIN.
Old 08-04-2005 | 04:21 PM
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Originally Posted by conan
Are there any GM/CHEVY dealers over there? If so call them and giv them the vin and they can tell you what is the year. Also if it has an egr its a 98-00, the 01/02 doesn't have them. If you dont have a dealer post the vin# and I'll call a local dealer for you.
Cheers,

The VIN: 2G1FP22G2X2121867
Old 08-04-2005 | 04:52 PM
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The dealer I talked to said its a 99 The X in the # is the year. He told me a w is 98 and y is 00. Hope this helps.
Old 08-04-2005 | 05:02 PM
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Originally Posted by conan
The dealer I talked to said its a 99 The X in the # is the year. He told me a w is 98 and y is 00. Hope this helps.
mnay thanks for that. I had an incling it was a 99 with a 2000 registration. That bodes pretty well infact, as according to what I've been reading the 00 model is a bit odd ball in terms of headers and lids, as it is slightly different to a 99 and a 01. Don't know how much truth there is in it, think its to do with the AIR & EGR being slightly different from 98/9.

Cheers.
Old 08-04-2005 | 05:21 PM
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Here's a link from jrp click on the differance between years. It's all in there.
https://ls1tech.com/forums/new-ls1-owners-newbie-tech/213148-jrp-s-faq-commonly-asked-questions.html




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