68 Charger trunk foor differences - early vs mid to late cars

[BLK 68 R/T]

I have heard about early 68 Charger trunk floors being different from the rest. Can someone shed some light on what is different?

[tan top]

as far as I know , the only difference  , apart from a few plug holes ,  is the  gas tank filler hole in the trunk floor , different size & shape    , I await to be corrected  

[Troy]

Floors specifically? Or trunks in general? Early cars had braces behind the taillights and the trunk lids themselves were different.

Troy

[BLK 68 R/T]

Trunk floor pans specifically.

Tan-top mentioned the filler tube being different. Is there a different filler tube or is it just a different grommet that fits the floor pan?

[tan top]

 filler tube is the same ,

  the raised part of the trunk floor is slightly wider for later cars ,  & the  trunk floor seal is wider &  slightly different shape  , , don't think the early seal has been repoped , well never use to be  , only the later one has / is

[70-500-SE-EXPORT]

I don't think this has been pointed out but the trunk gutters on the early 68's are also different. The round area the bumpstop touches is a different shape. I have a early 68, a late 68 parts car and a 69 parts car to verify this. I know its a very minor difference but its one nonetheless.

[tan top]

I don't think this has been pointed out but the trunk gutters on the early 68's are also different. The round area the bumpstop touches is a different shape. I have a early 68, a late 68 parts car and a 69 parts car to verify this. I know its a very minor difference but its one nonetheless.

on right this is interesting stuff       , have you got a pictures  of the difference ?    i'venever noticed this before 

[BLK 68 R/T]

All good info! thanks everyone for the replies.