the 3.4L impala delima - Impala Tech
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post #1 of 8 (permalink) Old 07-11-2006, 03:17 PM Thread Starter
Join Date: Jul 2006
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the 3.4L impala delima

all you impala drivers out there. I purchased my 2000 3.4L impala a year ago and have not been able to find any kind of performance parts to fit my car. I would like a cold air intake kit to start out with and also any other performance modifications i can make to bosst my horsepower and conserve gas. Can any of you all help me or suggest who to go to? thanks for your time
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post #2 of 8 (permalink) Old 07-11-2006, 04:29 PM
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Best upgrade for a 3.4 liter car is a TBI 5.7 liter transplant out of a pick-up. You will actually see a modest improvement in mileage if you keep your foot out of it because the small Buick V-6 is working as hard as it can to drag the 4300 pound sled around. Can't see a 350 go 5.0 liter with a 305 out of a cop car if you can find one.

Big Dave
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post #3 of 8 (permalink) Old 09-09-2006, 02:30 PM
Join Date: Sep 2006
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A company called DHP (, I think) makes a pretty decent PCM reprogram....also some underdrive pullies out on the is made by Fast Forward Performance (

I have swapped a 3400 into my Beretta and have both the UDP and programing on it.....only good for about 5-6 hp each, but its another 10 hp.
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post #4 of 8 (permalink) Old 12-15-2010, 05:32 AM
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honestly i wouldnt worry about boosting horsepower..u need to read up on these cars...they have alot of issues with starting problems electrical and parts are expensive on alot of the car..
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post #5 of 8 (permalink) Old 12-15-2010, 09:30 AM
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Most of the people on this form have rear wheel drive Impala's. We have a few "Pros" that that will ask and answer questions on your front wheel drive Impala.  69
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post #6 of 8 (permalink) Old 12-15-2010, 09:41 PM
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For folks that do want to make them faster, check out

There's actually a TON of stuff you can do with the 3400.
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post #7 of 8 (permalink) Old 12-15-2010, 09:45 PM
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This is a four year old thread!

Two doors, four doors, wagons, and ragtops.
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post #8 of 8 (permalink) Old 12-15-2010, 09:52 PM
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Newbee got me again!  69
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