Is this really an LT1?? - Chevy Impala SS Forum
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post #1 of 19 (permalink) Old 03-05-2006, 10:11 PM
pair8hd
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Ok, I am in the process of buying a '94 decomissioned cop car. They advertised it as having an LT1 5.7L. When I decoded the VIN through here, GM Vin Information , the car's VIN has an 8th digit of W, which means it is a L99 4.3L.
I haven't picked up the car yet, but I have pics of the engine bay. Do the 4.3Ls look like this?

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post #2 of 19 (permalink) Old 03-05-2006, 10:16 PM
95 9c1 Lt1
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the LT1 look just like the L99 motors
the factory L99 alternator is a tid smaller
without looking at the casting of the motor you can't tell the two
good indication the VIN shows a W 99% its the L99
I say that is because I give 1% factor for the motor swap
Get the codes from the trunklid, they'll say if it has disc rear or drums, and what ratio

to a uneducated person the two motor bays look exactly alike
post #3 of 19 (permalink) Old 03-05-2006, 10:56 PM
pair8hd
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Not what I wanted to hear, but thanks.

IS the L99 worth a darn? It not being a LT1 after he advertised the heck out of it being one is a deal breaker to me (I won it on Ebay).
I may keep it if he adjusts the price accordingly.
 
post #4 of 19 (permalink) Old 03-05-2006, 11:08 PM
The_Whale
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The L99 is still a fine motor but yes a real LT-1 car is worth a good bit more. Certainly more desireable.

It would appear as it is likely a 9C1 and I'm not really sure what engines came in them but as noted from first glance the L99 and the LT-1 look very much alike.

Could be a swap or the seller being clueless. You certainly want to find out before exchanging money.
post #5 of 19 (permalink) Old 03-06-2006, 12:57 AM
Thelyricist720
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Almost ALL sellers on ebay misprint their engine details because they assume it's an lt1 by looking under the hood. I've even seen auctions with people saying "93 caprice 9c1 with lt1 engine". Be real careful with ebay when it pertains to these cars. Most people advertise an l99 as an lt1. I also think the l99 has single exhaust. Good luck
post #6 of 19 (permalink) Old 03-06-2006, 05:36 AM
96capriceMGR
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The 9C1 got the big alternator reguardless of engine it was just the civi L99 that was likely to get a smaller alternator.
An LT1 says 327 or an L99 says 588 on the drivers side of the block. Here is a crude picture to help you understand, maybe you can get the guy to tell you what number is there just tell him you are trying to figure out "which lt1 it has ".
The L99 is OK and it is easy to swap in an LT1 IF the price of the car makes buying an LT1 to go into it a reasonable thing to do more info on that in my sig. Unless the car was very reasonable though you probably want to use the L99 as grounds to have Ebay back you out of the auction, I would think this is sufficient grounds and do believe you will find it to be an L99.

Here is the pic.
post #7 of 19 (permalink) Old 03-06-2006, 08:36 AM
VIN Guy's Alter Ego
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I'd refuse the car and get an LT1 car. If you really want to keep it, take your winning bid and divide by 2. Then subtract $500 more, and there's your new price, IMHO. [img]smile.gif[/img]
post #8 of 19 (permalink) Old 03-06-2006, 09:50 PM
pair8hd
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Well after I told the guy to go look at the Catalyst sticker under the hood he seemed embarrassed and said he made a mistake.
He said I could have it for $2000.00.
It's got 100,000 miles and I think I am going to get it.
Is that a fair price?

post #9 of 19 (permalink) Old 03-07-2006, 06:50 AM
jodog500
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if the interior and exteriors to your liking(...and u dont mind the friggin 4.3...)i say yea 2 grand aint a bad deal....if this is a daily driver i say yea get it...
post #10 of 19 (permalink) Old 03-07-2006, 05:48 PM
VIN Guy's Alter Ego
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Quote:
Originally posted by pair8hd:
Well after I told the guy to go look at the Catalyst sticker under the hood he seemed embarrassed and said he made a mistake.
He said I could have it for $2000.00.
It's got 100,000 miles and I think I am going to get it.
Is that a fair price?
I think I'd pass. Mainly because I STILL don't think it's worth it, but partially out of disdain for the seller that either doesn't know what he's selling, or he's dishonest. If he's dishonest and trying to catch an unsuspecting buyer, what else is he hiding?
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