Last post on Dec 16, 2009 at 9:56 PM
You are in the Chevrolet Impala
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Chevrolet Impala, Sedan
#582 of 779 Part Numbers/atbear
Feb 19, 2003 (10:21 pm)
Hey I got part numbers for some LS Sport Parts from Kim at gmpart.com
Part Number Description List $ Sale $
88954942 bumper extn. 237.20 201.62 - 0 in stock, no stock avail, no release date
88954949 lic. cover 51.19 43.51 - 0 in stock, can order
10306208 cluster 313.10 266.14 - 0 in stock, can order
Don't know about spending the 266.14 for that cluster until I know for sure if its going to work, guess I need to go to the garage and talk to someone about it and find out once and for all.
Feb 20, 2003 (1:46 pm)
Actually the LS Sport Cluster part number is 10306213.
I think your 08 number is the Police Cluster.
I have a full GM Impala/Monte Carlo parts list.
It'll work, I know somebody who did it. Hopefully we can find it for less than 266.14. Thanks!
Feb 20, 2003 (3:29 pm)
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Feb 20, 2003 (8:49 pm)
Glad to hear someone did it. I'm going to make a note of the number you posted and try to figure out what is going on. I need to get a VIN I guess. Have a good one!
Feb 20, 2003 (10:23 pm)
A VIN for a 2003 LS Sport is: 2G1WH55K639115280
As you can see, I've already been through all this =)
Feb 25, 2003 (10:55 am)
I just heard that the DHP PCM is available for the Impala now! I'll have more info when I get it! This is great!
Feb 25, 2003 (2:49 pm)
Really that is great news! Yea keep us updated. Thanks.
Feb 25, 2003 (4:24 pm)
I went down to the dealer and got a VIN off of an LS Sport, and now I am getting cluster number 10306212. The vin I used was 2G1WH52K639151040
and I got the clusternumber from gmpartsdirect. So now I'm really confused between the part numbers. Guess I will just order from someone who will take it back if it is not the right one.
Mar 02, 2003 (5:29 pm)
We have a 98 Aurora - 4.0 V8 and a 2001 Impala LS. The Impala is the wife's car and she doesn't want anything modified, but I have made some changes to the Aurora and dyno'd some of them. I'll share the results just to give some idea.
I realize that the 4.0 DOHC is a very different motor, but the results are interesting. In light of some the conversation, it might help. The Aurora is 250 HP, 260 torque stock.
All my dyno results are at the WHEELS. All dyno's were done the same day - back to back. The Aurora drivetrain loses about 24% whereas I've seen the Impala drivetrain estimated at only a 21% loss. You can see the dyno's on http://www.caddyinfo.com
I gutted the air box and installed the K&N panel. The K&N panel filter added 6.5 to 7 HP to the peak - not much below the mid 4000's. The air box mod allows more of the filter area to be used and it added 2.5 ot 3 to the peak torque, but no peak HP. It also add 1 to 3 HP from the mid 4000's and below. With both together there WAS a noticeable difference - especially punching it from a roll. Whether you "feel" it or not seems not to be so much a matter of how much peak power it adds, but a function of how much power it adds through the power curve. I wish I could modify the Impala air box, but is does not seem to be as workable. It only uses a small area of the filter and I believe a K&N would greatly help the car - my guess - at least 5 HP at the engine. I do have the K&N panel in the Impala though.
I had a bored out throttle body added. It went form 75mm to 80 mm. This added 5.4 peak HP, but did a great job adding power all over the curve. Fattened it up more than 5.5 in a lot of places. I definitely felt it. Later I bored the mounting plate (or plenum) to 80mm as well so everything was matched ported to the manifold. That probably added another 2 or so.
I put a cat back exhaust from Corsa. It was made for the STS but works great on Auroras. Anyway, the exhaust is the best improvement you can make. My system is all straight-through. No baffling. It like having a straight pipe (but quiet because of some cool sound cancellation technique). Corsa dyno'd an STS and it added peak 21 HP at the wheels. Granted, this was a 300 HP engine that revs very high (breaths hard) and is probably bottled up pretty good with the factory exhaust. I'd expect some good gains from a similar system on an Impala. My guess would be 7 or 8 HP - 10 at the engine.
I know "Thrasher Charged" made a decent looking intake for the Monte and it probably fit the Impala.
Mar 03, 2003 (1:10 pm)
Maybe this has been posted before. If so - sorry.
RSM does some good stuff. However, I'm not to keen on the idea of the open cone filter drawing hot air off the engine. I think the thrasher charged intake (an enclosed cone) is better.