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Thread: Camok10's sas 97 z71
10-21-2012, 12:07 AM #1
Camok10's sas 97 z71
97 Chevy z71 Vortec 350, true duals with flows, hypertech, k&n filter, trick flow t.b. spacer. hopefully by spring ill have a 6 lug sas with a 77 ford 44 and factory 10 bolt may try and find a sf 14 for it but that can always be changed later.
Already have the front axle a set of 6 lug outers, ord shackle flip and 6.5" super shackle are on there way. going to also put in a 4" block and ord 0 rate add a leaf to net 10" of lift rear. Front is yet to come but going to be ord sas kit, 8" 73-87 front spring. Along with the ord cross over steering set up an a ried racing/ dedinbear flat top knuckle. After that all that will be left will be to figure out shock length and mounting, and figure out length for a set of 81-87 ext brake lines. since I will be using calipers from that year truck should be a blot on and go there. Hopeing to be out of this for under 3000 including truck purchase price. Minus wheels tires and gears i feel it should be very do-able.
What do you all think of this setup ?
And the truck paid 500 for it
10-21-2012, 12:25 AM #2
so you are going to have 12" of lift, what size tire are you planning? anything bigger than a 35 and you really should be using a dana 60
TRUE DUALS CLUB MEMBER #1
88 chevy k2500(Mudwasp)
1998 k3500 gmc crew cab dually L65 6.5TD
10-21-2012, 01:36 AM #3
10-21-2012, 01:47 AM #4
10" rear 11 front and nothing like the poor tahoe. planing on a 37" it's not going to be any thing hard core just some trails and occasional mud no lockers maybe a true track out back so that will help my axles survive the bigger tires. Aso for the Tahoe it's being disassembled to go to truck heaven.
10-21-2012, 02:39 AM #5
That's still a lot of rotating mass. Even if you're not gonna wheel it hard. Atleast get a 14B FF rear.
10-21-2012, 02:53 AM #6
I may, I have one laying around already, if I do go ff it's going to get disk brakes along with a Detroit. For gearing I'm trying to decide between 456 and 488's any input? Also for sliders any one have any preference of round vs square tube and why? In thinking about boat siding the rusty rockers out also and think square would look better.
Oh yes and the poor poor Tahoe will live on in this............I'm replacing my rusty front clip and doors with it's parts. That thing will haunt me for ever on here I have a feeling
Last edited by camok10; 10-21-2012 at 03:01 AM.
10-21-2012, 03:24 AM #7
4.88's will have more get up and go, 4.56's will have a lower highway RPM which = better MPG.
10-21-2012, 04:59 AM #8
Ya I'm just not Shure which one I'm leaning more toward 456's right now my goal is to have it daily drive able if need be. So 456's would be better but I'm Shure down the road ill want to go bigger
Last edited by camok10; 10-21-2012 at 05:06 AM.
10-21-2012, 07:27 AM #9
For gears I would go 5.13, with my 4.56 and 38's it is sluggish. I would defintly upgrade the 10 bolt before wasting money on gears for it, even easy driving on pavement will do it in. I can't say a whole lot on the d44 strength yet (i broke axle shaft with 38's and abuse) so if thinking bigger with any abuse I would look for a 60. Is the 77 d44 low or high pinion?
So you have 2500 for brackets, springs, knuckle, x-over steering, shocks, brakes, balljoints, u-joints, and driveshaft, budget will be tight. Since with that much lift you will need a custom front shaft especially if low pinion.
You will be sitting high on 37's. I have under 10" of total lift and clear 38's no problem.1992 GMC Z71
SAS with 8" lift - 1.5" Body lift
HP D44 front axle - 9.5" 14 bolt rear axle - 4.56 gears
Custom Built Bumpers
350 TBI, cam, intake, chip
Realtree APG Camo wrap
10-21-2012, 07:57 AM #10
You're gonna be towering over your tires with that much lift. As stated previously, don't even bother with a 10 bolt. The issue isn't as much "mild wheeling" as it is rotating mass and torque. The big issue for you is going to be sudden loading of your axle especially living in Michigan (think driving in snow). The 10 bolt will be fine under "normal" circumstances. The issue comes when you're on the gas but not getting traction and your tires finally bite and apply a sudden torque to your axle. Something is gonna give. By the time you finish building a 10b or 44 that will handle the tires and load you are gonna have way more into it than throwing in a stock 60.
1988/1994 GMC Mash Up - Under the Knife - SAS/383/700R4/NP241/NP205/D60/14FF