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Minor problems with Pacesetter install

This is a discussion on Minor problems with Pacesetter install within the External Engine forums, part of the LSx Technical Help Section category; First problem being... i seem to be getting this horrid smell of gas which i wouldn't normally mind but its ...

  1. #1
    Missing 4 Cylinders BULLET_WS6's Avatar
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    Minor problems with Pacesetter install

    First problem being... i seem to be getting this horrid smell of gas which i wouldn't normally mind but its allways there as if i have a bad exhaust leak but i used the stock gasket which was in perfect condition, i got the pacesetter lt's with the A.I.R. provisions attatched, and the ORY... is this a normal problem or can you tell me where to check for leaks...

    On top of that i heard they help your mpg but i just got 11.8 mpg after installing them which is my worst compared to my previous worse of 12.5 which had gone up to 15mpg before the header install... so it was an immediate drop of about 3mpg

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    Veteran 0rion's Avatar
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    the !cats mod will definitely make your car a little more stinky. It does sound like you're very rich though. No codes I take it? Front O2's all hooked up correctly and everything? Also, on the drivers side of the motor right above the number one plug is the ECT sensor. Make sure you didn't break that during the install. Do you have any access to logging software? Maybe post up a log.

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    !!!!!!!!!!!!!!!!!!!!!!!!! ATCharming's Avatar
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    along the same lines... sorry to somewhat hijack ur thread... does having no muffler also make ur car smell a little more? my car has a cat, but NO muffler, and for some reason once in a while when im parked and the car is running i notice a slight gas smell

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    Supercharged Ricer
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    Quote Originally Posted by ATCharming View Post
    along the same lines... sorry to somewhat hijack ur thread... does having no muffler also make ur car smell a little more? my car has a cat, but NO muffler, and for some reason once in a while when im parked and the car is running i notice a slight gas smell
    The cats burn off all the excess unburned fuel. The muffler shouldn't cause things to smell any worse..

    For the original poster, removing the cats for one cause the exhaust to smell pretty bad since the unburned fuel is just coming outta the tips. Since you installed headers, you're running even richer, and without any cats .. it just all adds up.

    Get a tune and the smell shouldn't be AS bad.
    Last edited by Z28venom; 06-10-2007 at 07:33 PM.

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    Formulatastic yellowv's Avatar
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    The smell is normal as is the gas mileage due to your foot going further to the floor more often now than before to hear the sweet sounds. My untuned 98' w/ 106,000 miles on it with Pacesetters, ORY and LM2 is getting around 28mpg highway.

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    Junior Member 01CamaroZ28's Avatar
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    yea it sounds like you're running rich which is to be expected with a header install.

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    Member Bouvers's Avatar
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    sounds like you need a tune just my .02

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    Junior Member 01CamaroZ28's Avatar
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    agreed.

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    Member 1TA LS1's Avatar
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    +1. Tune.

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    see i was hoping yall wouldnt mention a tune... i cant afford that right now... 400 for the initial tune and 60 for every retune after that.. good deal id say but not worth it right now.. id rather get high everytime i drive... and thanks for the explanation guys... that does make a lot of sense... didnt think about it before

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    Junior Member 01CamaroZ28's Avatar
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    ouch that sucks. Around here its 300-350. Although i have seen it as high as 500. Oddly enough the one shop that charges 300 is one of the best shops around. Carolina Automasters.

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    Member Bouvers's Avatar
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    ya sorry to hear that man thats pretty pricey.

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    RPM in NC also charged me 300 for my tune..... great guys...
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    Thunder Racing can do a basic tune for $180 for ya. They will be doing just a basic for me so i won't have my ses light on until i put my cam in!

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    Senior Member 35thAnniZ28's Avatar
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    why dont you just buy 4 extensions for your oxygen sensors and get them installed..oh yeah and 2 cat for 90 bux the pair at monsterflow.com.....or is it flowmonster...either one..i hate the gas smell so i did just that~!

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    Member fast enough Z28's Avatar
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    Quote Originally Posted by ATCharming View Post
    along the same lines... sorry to somewhat hijack ur thread... does having no muffler also make ur car smell a little more? my car has a cat, but NO muffler, and for some reason once in a while when im parked and the car is running i notice a slight gas smell
    When I had no muffler on mine it ended up burning my cats both of them.

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    !!!!!!!!!!!!!!!!!!!!!!!!! ATCharming's Avatar
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    Quote Originally Posted by fast enough Z28 View Post
    When I had no muffler on mine it ended up burning my cats both of them.
    u burned ur cats? thats wierd... i wonder if i did too. ill have to check

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    Member fast enough Z28's Avatar
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    Quote Originally Posted by ATCharming View Post
    u burned ur cats? thats wierd... i wonder if i did too. ill have to check
    How long has your muffler been off, not to weird the car was just using your cats for backpressure.

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    !!!!!!!!!!!!!!!!!!!!!!!!! ATCharming's Avatar
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    Quote Originally Posted by fast enough Z28 View Post
    How long has your muffler been off, not to weird the car was just using your cats for backpressure.
    i have no idea how long the muffler has been off. i just bought the car less than a week ago and its been off since then... ill have to talk to 01raptorta about it cuz he sold me the car

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    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
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    this is about time for some moderator to come and close the thread

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