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Old 08-15-2003, 03:46 PM   #1
81lwb350
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Join Date: Jul 2002
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Question fuel tank questions

i just received a set of tanks from lmc...
i ordered them with out seeing them...i assumed that if i bought tanks for a lwb truck, then that would replace mine just fine....well they came in and are huge 20gal tanks.
i know they wiil fit...but can the brackets that i have on the smaller tanks fit...or do i need new brackets for the rear of the tank? i was gonna return them, but seeing that i have a 454 to put in it, i think i will need the extra fuel capacity..hehehehe

i want to get these in this weekend so i can get my 454 in within the next couple weeks....

will the old sending units work right with the new bigger tanks.
i assume they will since there was no note to needing a certain sending unit!
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Old 08-15-2003, 04:10 PM   #2
crackajacka
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are they the longer or fatter round the belly? the straps might adjust out u might try it out.
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Old 08-15-2003, 04:19 PM   #3
81lwb350
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mainly, they just seem to be longer. but the mounting positions are a little different on the new tanks vs. old tanks.

they came late last night and i didnt get a chance to really look..."it was dark" so today after work i will check them out better and see if the existing mounts can be used..
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Old 08-16-2003, 01:59 AM   #4
Nvbowtie
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From what I have read - all LWB came with 20 Gal tanks
only SWB came with 16 Gal tanks.
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Old 08-16-2003, 02:02 AM   #5
crackajacka
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yea mine are 16 gal tanks every lwb ive seen or heard of comes with a 20 gal tank.
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Old 08-16-2003, 09:38 AM   #6
81lwb350
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well, that may be true....but, as im looking in the lmc catalog, there is a disclaimer that says..NOTE: some lwb trucks came with 16 gallon tanks please measure yours before ordering! hehe DOH! so LWB did come with small tanks..my 81 came with a 305. that could explain the smaller tanks...

well they are goin back and the smaller ones are coming...
the filler tubes and all would have to be a little shorter. and im
not into modifying gas tanks, so the correct ones will be here soon...hopefully..
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Old 08-16-2003, 11:25 AM   #7
ElGracho
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My 86 Long bed that originally had a 305 also came with two 16 gallon tanks.
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