how much can the ifs 8.25 handle?

[1990GMCSIERRA]

there not gona hurt anything

 

[Butch]

did they ever fix the good morning 6.0 piston knock?... idk ive always wanted a 454 genVI so thats what ill be goin with...

No piston slap in 2003+ 6.0 motors

 

[jonnyukon]

No piston slap in 2003+ 6.0 motors

was it just the piston skirts being to short ?? or what fixed it

 

[jonnyukon]

Ok so I got a motor set 496 big block with 480hp an 550 ftlbs goin in an I'm am gonna do the 4l80e swap so I gotta figure out what I'm gonna do aboutthe ifs front diff is the 9.25 really that different in the bolt up?

 

[blackcoffee]

You've got quite the project on your hands buddy haha. Better have a lot of time on your hands.
Oh, and money!

 

[jonnyukon]

Yea money's not a problem I wanna keep the a arm type suspension so I can do a long travel front suspension over puttin a solid axle up front an 4 link out the rear with coil overs. So I'm trying to figure out my options with this front end. Any ideas guys??

 

[dirtridinz71]

Ok so I got a motor set 496 big block with 480hp an 550 ftlbs goin in an I'm am gonna do the 4l80e swap so I gotta figure out what I'm gonna do aboutthe ifs front diff is the 9.25 really that different in the bolt up?

I remembered seeing a couple post about this over on GMFullSize, Searched and found a couple of threads about doing the swap.

http://www.gmfullsize.com/forum/showthread.php?t=64681&highlight=3/4ton+IFS
http://www.gmfullsize.com/forum/showthread.php?t=215119

 

[Vigh_J]

Dont have any input, but wanted to say NICE Truck!

 

[92GMC]

im guessing that a 305/55/20 is about a 33" tire? i had 33s with 4:10s and i loved them. plenty of power when i wanted it. i turned about 1850-2000 rpms at 55

 

[jonnyukon]

im guessing that a 305/55/20 is about a 33" tire? i had 33s with 4:10s and i loved them. plenty of power when i wanted it. i turned about 1850-2000 rpms at 55

Yup it's perfect and the low range pulling power is STUMP ripping now