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-   -   67-72 vs.73-87 ways to tell chassis apart (https://67-72chevytrucks.com/vboard/showthread.php?t=149566)

XLR8N 04-04-2005 06:11 PM

67-72 vs.73-87 ways to tell chassis apart
 
if you look in the 4 x 4 post under rrrrrrrrrrrrrrrrrrr you will see i had a hard time of installing a new lift on my truck over the weekend. 67-72 front 4 x 4 leaf springs im told are 42'' (unloaded) and 73-87 are 47'' eye to eye. then he tells me that 67-72 rear u-bolts are square and 73-87 are rounded. (mine are round) so now im all messed up on what year truck i have. I have a 67 cab with a 70-72 front clip. is there a way on the frame to be sure of chassis year. i am going to drop some money in this truck and it would make for less headaches on the weekends and having to buy things twice while they hold my money :whine: any help in this area would be great!!!!!!!!

402Bowtie 04-04-2005 06:30 PM

someone correct me if I'm wrong, but I believe on the passenger side of the frame, right under the door, there are some numbers stamped on the frame. At least that is the way my '72 is. Perhaps those numbers could be used to tell what year the frame is. Maybe they have some correlation to the vin#?

XLR8N 04-04-2005 06:57 PM

Quote:

Originally Posted by 402Bowtie
someone correct me if I'm wrong, but I believe on the passenger side of the frame, right under the door, there are some numbers stamped on the frame. At least that is the way my '72 is. Perhaps those numbers could be used to tell what year the frame is. Maybe they have some correlation to the vin#?

i will go look-thanks for the help, any info is more than i got at this point :metal:

XLR8N 04-04-2005 07:31 PM

you are correct, under my drivers door is a stamp 9/22/73


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