Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 88k5donger, Dec 14, 2001.
I want to do six inches of lift on my k5 but what will i need to drop? Thanks Guys
You'll more than likely need to lower the rear of the Transfer case with the factory supplied spacers that should still be bolted on the truck frame right there where the crossmemeber bolts to the frame.
You will also find that by doing this you will be loosing clearance in between the front driveshaft and your stock exhaust collector unless you have dual exhuast. But that can be modified to. You could have the collector bent more in that area or you might get lucky and not have that problem.
Ideally though, you want to leave the T-case where it is from the factory but sometimes that is not an option with lifts. You will just have to install the lift and and see where you need to tweak from there. Every truck seems to be a little different.
Still hoping the GOV'T will ban the use of loud stereos with RAP music.
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I've got a 76K5 with the TH350 and 203 setup (I've been told this is the longest setup) on 6" and I have not lowered the t-case. There are 2 degrees difference in the rear yokes but next to no vibration. I can still do 80mph and feel 'safe'. Keep in mind I have true dual exhaust. My suggestion is to disconnect the front shaft and pull the front of it straight down 6" and just see if it will hit the cross over pipe. If you don't feel like doing that then lift it and if it hits then keep the front shaft out until you can take care of the exhaust.
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76K5 6" with 33s, sb400/350/203parttime/3.73-D44/GM12bolt
The 700R4 & 208 is a long combo as well, BUT SINCE THIS GUY DIDN'T FILL OUT HIS PROFILE we will never know. Also the slip yokes seem to vibe more than the fixed.
Jim '80 GMC & '73 Blazer
Body by Tellico
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His name says 88 so I would say its an 88, it will have the 700r4 and wither the 208 or 241. Either way both are pretty long and both are slip yoke. You will need to drop the t-case or it will vibrate like crazy. MY 4" lift vibrated until I dropped it with the factory spacers. I didnt have to did it on the burb though and its lifted 4" in the front and 6" in the rear. But the burbs driveshaft is really long.
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