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#1
04-10-2006, 02:21 PM
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question
i've been looking at parts here and there just out of boredum really. I've noticed that usally they ask the engine time with and for the 3.8s theres two one with vin letter k and one with j mine has neither my vin starts with 1 which is the 3.8 sc option..i have a GT..i was just courios whats the difference with the vin numbers?
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#2
04-10-2006, 04:21 PM
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Re: question
97-up GP come with basically 4 engine choices.
3.1 vin-M fit 97-99 (rpo code L82) base engine SE model 3.1 vin-J fit 00-03 (rpo code LG8) base engine SE model 3.8 vin-K 97-03 (rpo code L36) Normally aspirated, only engine in GT model 3.8 vin-1 97-03 (rpo code L67) Supercharged, GTP model only The 2 3.1's differ only in the intake/upper plenum area. That is why the RPO code and vin designation change. The only two 3.8's used were the naturally aspirated vin-K and supercharged vin-1 I could be mistaken, but if you have the 3.8-1, your car is a GTP, they didn't offer that engine in a GT
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 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#3
04-10-2006, 06:48 PM
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Re: question
Rich is correct in the data provided. To make it simple your engine option is the 8th digit from left to right of the VIN number.
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#4
04-10-2006, 10:39 PM
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Re: question
Quote:
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#5
04-11-2006, 08:42 AM
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Re: question
Quote:
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-2002 Grand Prix GT Black 
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#6
04-11-2006, 08:48 AM
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Re: question
I have a GT too, and I'm very happy with it. There isn't a day goes by that I don't wish I had the extra power of a GTP, but I like the cheaper gas. My next Grand Prix will be a GTP though. Then Bob's gonna hate me for asking him how to mod it all the time,
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Still waiting for the "good old days" I'll get to bore my future grandchildren with! Last edited by richtazz; 04-11-2006 at 01:24 PM.
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#7
04-11-2006, 08:59 AM
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Re: question
one small correction
97-up GP come with basically 4 engine choices. 3.1 vin-M fit 97-99 (rpo code L82) base engine SE model 3.1 vin-J fit 00-03 (rpo code LG8) base engine SE model 3.8 vin-K 97-03 (rpo code L36) Normally aspirated, GT & SE model option '97-'00 3.8 vin-1 97-03 (rpo code L67) Supercharged, GTP model only only know cuz i have 1 hehe =)
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'99 SE (l36) 125k mi. FWI | ZZP HVTB St. 1 | WP UD Pulley | 3" DP/HF Cat/U-bend Del. 
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#8
04-11-2006, 09:17 AM
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Re: question
Thanks for the correction theblurr87, I can't believe I forgot to put that in there. Thanks Bob for also including which digit of the VIN denotes the engine option. Just FYI, if there's any info on your car (option codes, does it have this or that, etc...), I can decipher any GM vin# for any vehicle 91-up (some 90 models too).
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Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#9
04-11-2006, 01:08 PM
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Re: question
hah, thanks guys..yea, 8th digit in is a K..thats pretty cool that you can tell so much from the VIN. Rich dont worry when you're bothering bob about your GTP i'll be sure to bother you about my GT.. it'll be a vicious cycle, lol
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