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gas tank filler necks

This is a discussion on gas tank filler necks within the General Help forums, part of the LSx Technical Help Section category; are all gen 4 firebird, trans am filler necks the same? thanks...

  1. #1
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    gas tank filler necks

    are all gen 4 firebird, trans am filler necks the same? thanks

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    Single Malt rbob93's Avatar
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    Well the fuel tanks are identcal.....I would imagine there's no difference for the filler neck

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    I Have A 98 Ta And The Neck Is Not Long Enough In Side The Body. And The Guy At The Dealership Said The Filler Necks Are Differant, From A Ta To A Firebird

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    Single Malt rbob93's Avatar
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    Quote Originally Posted by venom98 View Post
    I Have A 98 Ta And The Neck Is Not Long Enough In Side The Body. And The Guy At The Dealership Said The Filler Necks Are Differant, From A Ta To A Firebird
    Well then I suppose you have the answer to your question
    I really don't see why it would be different.....basically the same body isn't it??

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    The difference in the tanks is dependant on the year.
    98's had a 15.5 gallon steel tank. 99' and up had 16.8 plastic tanks.

    So maybe you got some parts for the wrong year car.

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    I've couldn't of said it any better myself.

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    Veteran 0rion's Avatar
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    98's also had a steel filler neck and 99+ had flexible filler necks.

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    ok thank for all the help

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    Senior Member greatwhiteZ28's Avatar
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    Quote Originally Posted by 9t8z28 View Post
    The difference in the tanks is dependant on the year.
    98's had a 15.5 gallon steel tank. 99' and up had 16.8 plastic tanks.

    So maybe you got some parts for the wrong year car.
    lil off question but if 99+ is 16.8 tanks would it be around 17.0+ filled to the cap? or is that how its allready is?

    caseu i got a 25 gallon on truck and was on dead E and went to station and got 25.5 almost months ago. i never forgot that

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Quote Originally Posted by greatwhiteZ28 View Post
    lil off question but if 99+ is 16.8 tanks would it be around 17.0+ filled to the cap? or is that how its allready is?

    caseu i got a 25 gallon on truck and was on dead E and went to station and got 25.5 almost months ago. i never forgot that
    Not sure. I never run the tank that low.

  11. #11
    Senior Member greatwhiteZ28's Avatar
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    we need a geenie pig huh

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    Veteran 0rion's Avatar
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    Quote Originally Posted by greatwhiteZ28 View Post
    lil off question but if 99+ is 16.8 tanks would it be around 17.0+ filled to the cap? or is that how its allready is?

    caseu i got a 25 gallon on truck and was on dead E and went to station and got 25.5 almost months ago. i never forgot that
    running a tank that empty will lead to a dead fuel pump. Todays electric pumps use the gas to cool them. If you keep running it that low the pump will fail prematurely from the heat.

  13. #13
    Senior Member greatwhiteZ28's Avatar
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    Quote Originally Posted by 0rion View Post
    running a tank that empty will lead to a dead fuel pump. Todays electric pumps use the gas to cool them. If you keep running it that low the pump will fail prematurely from the heat.
    i know, but no company c card and 30 per exit ramp then trip downtown detroit with no diesel stations anywhere. it was a one time thing. and glad i made it back to the shop.

    just bad judgemnt on my part

  14. #14
    Impwnded Smkn_TA's Avatar
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    In these trying times you can always just water down your gas A few stations around here do that themselves me think.

  15. #15
    Senior Member greatwhiteZ28's Avatar
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    im sure lots of cheaper stations do that. i heard here is MI there is a 50 or 60 inspectors for the whole state.

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