K1500 to K3500 suspension swap

98 Chevy Swag · May 28, 2024

It’s doable but as mentioned above go with diff from a gmt800 and knuckles for bigger brakes. Here’s some pics of mine when I did it. Got the rear aam 11.5 and 9.25 front diff from gmt800 and I already had a bad lift so called bds and got some knuckles from them and bam. 1500 to 2500. 6 lug to 8 lug swap. Still need to build a sway bar

98 Chevy Swag · May 28, 2024

Got more pics if anyone’s interested. Wasn’t bad swap and diff uses same plug from gmt400 to the 800 9.25 diff. Will need a gm reamer tool tho for knuckles. The gmt400 ball joints are bigger then then 800’s so 1 ton gm reamer on the knuckles and you’re good to go.

b454rat · May 30, 2024

It's pretty cool. But 8 lug SAS is cooler lol...

TylerZ281500 · May 31, 2024

b454rat said:
It's pretty cool. But 8 lug SAS is cooler lol...

1 billion percent. short arm IFS in high speed desert sucks more than coilover SAS IMO. to do IFS right you need linkedchevys prerunner build

98 Chevy Swag · Jun 3, 2024

b454rat said:
It's pretty cool. But 8 lug SAS is cooler lol...

I 100% agree it’s on the list lol. Wfo super duty radius arm kit

K1500 to K3500 suspension swap

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