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Old December 23rd, 2010, 09:12 AM   #1
serpentz28
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Default HerRetiK...'91 Z71 Sas and frame shortening...

So originally this was a post for my K5 build... But I stumbled onto a new vehicle that I would rather mess with. I now have a 91' Chevy Z71 with an '83 454 BB and a TH350 jasper trans. It is an extended cab long box. After racing this truck in the Schuss Snow Challenge, I have found that I am addicted to big block power, despite the fact that its only mod is an MSD HEI ignition that I put on it, it still strong and torque. So my plan now is to SAS this truck with a 60 in the front and a sterling in the rear. I am ordering the SAS brackets this week, and heading out to the local junkyard to find my axels. As Well, the box is coming off and the frame is being chopped and we are bringing the rear axle as close to the cab as I can XD. From what I have found so far, the SAS kit with stock spring will bring my truck up 6" roughly, plus the 3" body lift pre-existing will give me 9" of lift, which I should be able to run 38.5 boggers in the rear and 38.5 SX's in the front with no problem. Once the drivetrain is done, will be going with aluminum heads and a performer intake with a 770 truck avenger on the motor and scouting out a new t-case as well. Any input or ideas are welcomed as well as local places to get parts. I'd rather buy around here that order something out of state :D Thanks for checking my thread out!!!

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Old December 23rd, 2010, 09:28 AM   #2
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The 5.4 Triton is a turd, if your going for different put a V10 Triton in it. That should get the job done.
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Old December 23rd, 2010, 10:13 AM   #3
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Don't disgrace a Blazer like that!!
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Old December 23rd, 2010, 10:33 AM   #4
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Whatever floats your boat

But no one ever said the boat would move...
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Old December 23rd, 2010, 11:18 AM   #5
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Old December 23rd, 2010, 11:20 AM   #6
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Blasphemy!!! Keep that boat anchor as far away from that K5 as possible.
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Old December 24th, 2010, 10:41 AM   #7
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Lol :D So plans may have a change already for me at the very start of this project... As I was researching Ford engines to stuff in the K5, a buddy called me up and had heard I was looking for a engine. This will cure all you nay sayers ;) He has a fresh 468 chevy big block sitting in his garage right now... All it needs is a carb... Which consequently I would put a truck avenger setup on here. NOW I need to decide on the trans to put behind this engine. Right now there is a beat 700r4 behind the beat 350... I know this will not hold up with BB power. Should I look at a 350 or a 400 auto trans? I was thinking 5 speed, but they dont seem to be to common up here. There are a lot of 4 speed trans BUT they seem to be break prone, especially when power is added. I have a buddy with a built 502 crate motor and built trans and he's killed that thing twice in a year *he has a very heavy lead foot XD* Any ideas trans wise? Shoot me some ideas... As for axles, now Ill be searching out corp 14 and a chevy 60 for the front. Rear with get disc conversion, as i said before, I plan to only go about 4" up, the lower I can stay with bigger tires the better, I appreciate center of gravity much more so than many of the people around my area XD IDEAS plz! Once i get the drivetrain finished, then begins the interior work, but I plan on having power options done by Shanty Creek Hill Climb time XD Thanks!!!
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Old December 24th, 2010, 10:53 AM   #8
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th400 is undisputed when i comes to handling power, it robs more power from the engine than a th350 but with that engine you wont notice it. Powerglides are also really strong when built right, but high first gear and only 2spd hurts, as well as there was no 4x4 pg's. th350s when built handle power good, but the case becomes an issue with a lot of hp and right foot. So stick with a 350 or 400, but ideally th400. my .02
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Old December 24th, 2010, 11:17 AM   #9
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powerstroke? lol this is a cool build.. always nice to see something new and different. Good luck!!
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Old December 24th, 2010, 11:21 AM   #10
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you could maybe clear a 37 or 38 if you put some cut out flares on the truck. You wont clear it with just a 4 inch lift IMO.. My 90 suburban had 35s and a 4 inch lift with 3/4 ton springs(so total 5 inch lift) and the 35s would rub pretty bad in a flexed turn.
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Old December 24th, 2010, 11:57 AM   #11
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With BBC a TH400 is a no brainer
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Old December 24th, 2010, 12:53 PM   #12
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yep what he said turbo 400
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Old December 24th, 2010, 02:05 PM   #13
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If a could find a Powerstroke for the right price with ecm and wiring harness... I'd do it lol. But for now, since this is my first full size build, (I have had several xj's, most recent being a '96 with a 10" long arm kit and 40's XD) what ever comes first gets the job. Kinda figured a th400, problem is finding one, even a rebuild is hard to come across around here. So, a 468 to a th400...now for the t-case, I know there are gear to gear chevy t-cases out there...like a 205 or 203??? From the little bit of info on them I hear they arent exactly sought after for their gearing ratios, however they are tough as hell. Which that problem would be solved with 5.13's in the axles. So, ideas on t-cases next...along with a good place to build me some "stout" driveshafts. When I say stout, I mean beer so dark it makes you go blind when you take only a sip XD
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Old December 24th, 2010, 02:08 PM   #14
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BTW, I will have some pics up tonight of what I am going to be building XD Also discovered I have a broken leaf spring in the rear *yay* rofl
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Old December 24th, 2010, 02:11 PM   #15
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As well...Now that I think about, I would eventually like to switch my 468 to fuel injection. TBI style, are there any good aftermarket setups that I could use for this? Before you naysayers start flaming me, I have a tendancy to either be straight up and down or so far sideways that I should tip over...but dont and I am afraid carbueration wouldn't handle this very well... plus I feel that FI is more reliable trail wise than a carb is...??? :D Thanks for everyones input so far! I love it!!!
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Old December 24th, 2010, 02:13 PM   #16
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Don't use ford parts in a chevy that's just retarded IFS sucks stay with the blazer axles and maybe upgrade to 3/4 tone and 350 has enough power plus they are a dime a dozen if you need any help finding parts I might be able to help good luck with the build
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Old December 24th, 2010, 03:45 PM   #17
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Run a TBI with a Mega Sqiurt ECM . PM me I run across T400/205 quite often.

Just sold a t400/205 ,trans needed a rebuild for $300 this morning.
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Old December 24th, 2010, 03:48 PM   #18
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Just so you know a 205 is gear to gear but a 203 is not
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Old December 24th, 2010, 05:53 PM   #19
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Quote:
Originally Posted by cruzer72 View Post
Run a TBI with a Mega Sqiurt ECM . PM me I run across T400/205 quite often.

Just sold a t400/205 ,trans needed a rebuild for $300 this morning.
That's a good price for a T400/205, even if the trans is bad. I would stay away from 203 unless you are going to do a 203/205 doubler
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Old December 29th, 2010, 03:54 PM   #20
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sooo....I have my engine and what not now...I have a SBC 350 that's having the lower end rebuilt and beefed up, vortec heads with the GM Performace intake to be able to use my throttle body and flashing the computer to match. This is all TBI friendly...supposedly lol, I know that TBI can be super finicky so.... heres to good luck with that! NOW:I need to focus on axles, gear ratios and tires... More than likely I am going to go with a 14bolt rear end and a 60 front... Rear will be converted to discs...no ands, ifs or buts about it XD as of now, I am thinking 5.13's in the axles, prolly just weld the rear BUT I would like a locker in the front (possibly detroit??) and I would like some ideas on the front aspect of a locker. I am looking for a good 36" tire that does well in the dirt, that digs and grips, not digs and dies in a hole lol. As well, is there anyway to upgrade the steering on this to make it tighter and more responsive? Also, I would like a 4" to 6" lift on this beast, something soft and flexible? Has anyone done a longarm on the front of one of these? If so, pics and/or links to a page would be great!!! I am trying to think out of the box, I want something that not many people do BUT is effecient and gets the job done reliably. Thanks to all who throw in the input!!!!
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