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Thread: 1991 4 Door Blahzer Build

  1. #1
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    Default 1991 4 Door Blahzer Build

    I've been pretty bored lately, the business has been taking a lot of my time, and I currently am not flush with cash (as its all going into the new race car and business) to have a fun daily driver with. Dailying the duramax sucks the life out of me :cry:

    A good buddy of mine is much more of a "build something to cruise" and domestic guy in general than I am, but he has a hardon for trucks. Last weekend, we went to a show called "Git On Up" in Didsbury that was a GM truck only weekend of drinking beer and doing burnouts. Was a good time.



    So as we are talking about him putting together his 1963 1 ton with some crazy power, all this truck stuff gets me thinking; I can't afford a 3rd gen Camaro or Firebird that I'd actually want to spend money on NOW, but maybe there is something I could make silly out there for dirt cheap and fun. The gears get churnin, and as I'm riding shotgun all weekend I have plenty of time to Kijiji.

    This is the piece of junk we drove around central Alberta in over the weekend (I helped with the spindle install, he c-notched the frame over a weekend, its a 5/7 drop but it ended up more like 6/8. She's friggin SLAMMED).



    I don't need another truck. But a really immaculate short box, regular cab square body S10 showed up and it gave me bad thoughts. And they are dirt cheap usually as they are useless trucks. NOTHING on Kijiji except for a MINT regular cab, short box (basically spitting image of the one at the show) that was already lowered. Too much money. Give up hope :cry: Then my buddy suggests s10 blazers. Find a rusty, crappy 1991 4.3 auto 2wd 4 door blazer FOR $500. Hasn't sold in months.

    Think about texting the guy, but naw. I'm into it, but not super into it. Monday rolls around, and the weather isn't very good for my work plans out at the shop, so I go into Edmonton to run some errands. Decide screw it, I'm already half way to Athabasca and I am in the dmax, might as well see if the guy will take $300 for the blazer. Yep! So I lineup a uhaul trailer, check to see if my buddy can come with me (he is a gm truck connoisseur, I just build rally cars) and we bomb out there.

    Thing is better than expected. They told me with a battery it would run and I could drive it home (typical Kijiji sales line). But it was actually true! Thing fired up and ran smooth. And OH MAN, the friggin' sweet late 80's digital dash had been sent out to be restored and worked flawlessly! I've never been so amazed by an interior item before! And the interior in general was flawlessly mint.

    So picked it up, brought it back, and washed it up.







    So now what? I have a running, driving, rusty AF Blazer.

    On the short list is cutting out the rusty rockers and 3m gluing in a new set. May try to do a silver/charcoal/grey two tone along the bottom trim, we're going full retro with this build. Found out after the fact by checking the RPO codes that it is 3.08 gears. MOAR rear gear needed. Searched on kijiji, guy has a 2wd s10 axle he just took out (2wd is narrow, didn't want the 4wd). He thinks its 3.73.

    Arrange to meet up with him today. Ends up being a s10 nut, has a beat Typhoon in the garage he got dirt cheap and a regular cab short box square body s10 in the same blue as my blazer. He did a 5.3 LS swap into it

    Since he pulled it from the truck with the 5.3, rpo codes confirm 3.73 and a posi, no need to pull the cover. Then he throws in the astro springs he has (lower the truck 3" and are stiffer). On top of that, he just so happened to have a used set of assembled front drop spindles that he didn't need anymore. He wasn't even thinking of selling them, but I flashed some cash and got them for half price of new. And it came with all the ubolts, nuts, and 3" drop blocks.



    Jeez, this is fun already and I haven't torn the truck apart!

    In the next week or two, next step is to go get a complete 96 vortec engine and 4L60 tranny I have lined up for $300. I'd keep the 700R4 as it's not computer controlled, and the s10 stall is typically a cheap mod people do for a higher stall converter behind v8's (~2300-2600rpm). The 700R4 of those years is the same as what was behind the v8's, so it should be a bolt in affair.

    In theory, by selling off the 4.3 and the 4L60 I am picking up, I could have a rocker repaired, slammed, v8 4 door blazer for ~$1000 including diesel for getting parts and the $55 uhaul trailer rental. Not bad!

  2. #2
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    I was expecting some random "What should I do" thread until I saw your username - came in here and am not disappointed. Pretty fun little build!
    Quote Originally Posted by AudiInProgress View Post
    MMMMMMMmmmmm. Your voice makes me moist.

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    Quote Originally Posted by JoshP2002 View Post
    I was expecting some random "What should I do" thread until I saw your username - came in here and am not disappointed. Pretty fun little build!
    I'm a man on a mission! Aug 17th is when I leave for BC for 2 weeks, would like it functional enough by then to cruise out and back

    Got around to doing a bit more work. The shop and garage are both full, so I decided to swap the 3.73 rear in and do the 3" lowering blocks on the flat deck trailer It actually was a decent idea, was probably easier doing the work there than on the gravel.

    Interesting note, this truck had full front and rear ABS, a pretty rare option back in the day. Of course, I promptly cut everything because screw taking it all apart. This took... maybe 3 hours of reallllllly slow work (I wasn't in any rush) punctuated by a couple of phone calls and beer drinking. Had my friend from the truck show mentioned earlier helping. We get sidetracked pretty quick as we talk and bullshit about car related stuff, when we finally wrapped up we spent an extra 30 minutes talking about his new plans for the GMT400 pictured earlier (holley sniper system, vortec head 350, turbo, make 500whp).







    So that was 3" lowering blocks in the rear, the front spindles will be a 2" drop, so cutting a full coil should give me another 2" to get the 4/3 once I get the front done. I want more lows, but for now this will do.

    Oh, just as helpful info, Seafoam Deep Creep IS AMAZING. Project Farm on youtube did some pretty good standardized tests to determine which penetrating fluid actually worked, and this one was highly recommend. All of the bolts on this truck after two applications and a week of sitting, not a single problem getting them off. As you can see, the truck is rusty as fuck. I'm sold, no more WD40 for this guy. :clap:

  4. #4
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    Been REALLY busy, I guess I just got a fever for more lowered blazer things!

    I'm going with mismatched tires, screw it. Tire prices went up recently, so the Maxtrek's I was looking at were up to $460 after tax and shipping :thumbsdown: , too rich for my blood! So I went kijiji surfing and stumbled upon some practically new conti extreme contact dw(s?) for $150 for the pair of 275/40R17. Sold! It was crazy typical north end Edmonton shenanigans walking into this dude's backyard, he has a HUGE pie lot (could fit a 6 bay garage on it if he wanted) that was FILLED WITH TIRES. Like, he had a screened off "tire storage area" and probably had close to 600 tires back there, it was nuts!



    I'm picking up a set (4) of 245/45R17 for $100, so I'll have spares for the front. If I save $250 on tires, that could theoretically get me the vortec and 4l60e that's sitting in grand prairie for me to buy...

    Now, I've had these adapters for about a week now, but wow... if there was ever a time to use the word "thicc" un-ironically, this would be it I think.





    And boom, everything fits perfect, I think I'm going to be pretty happy with fitment.




  5. #5
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    Taking a quick detour into the interior and fixing the ICE situation.



    Didn't get it completed as a crazy storm came in and I was just fiddling around on the parking pad. But I'm pretty happy with it so far, crazy how easy these old cars are to work on. Went with the following deck:



    Even though I have a huge collection of CD's, I haven't listened to them in ages. I also had a bit of an idea in regards to how to use the USB:



    16gb should basically hold as many 320kbps mp3's as I care to have on it. I'm working on a way to decrypt and rip the sound files out of Spotify and put them onto this. With how small it is, it should basically just looking like a cap sticking out of the USB slot.

    Just ordered these Pioneer 3 way 4x6's last night, they come highly recommended and for some reason, the Blahzer (that name has stuck with me, its official now) only came with the front dash 4x6's and no other speakers in the rear?? So I put a watch on camelcamelcamel and snagged them for $80 after tax, pretty happy with the price and should help compared to 30 year old speakers.



    I wanted a sub and amp, but the costs for new stuff just didn't make any sense and I wasn't having any success on Kijiji. But a friend had a spare amp and sub kicking around, so I can borrow them for the rest of summer! Ordered a 4gauge install kit off Amazon for $40cdn, wired it all in and ran the wires and rca's to the back just under the transmission tunnel carpet.

    Tonight I am picking up a set (4) of 245/45R17 tires for $100, so I'll have two spares, or I could resell them I guess.

    I didn't get as much done as I wanted this past week as I spent the weekend at the Rimbey Rumble (this is a video I took of Horsepower Solutions/Neil Richards "The Cream Dream", LSX turbo car, runs 4.9X in the 1/8 mile at 150+mph. Its nuts).



    Made me rethink my initial plans for this thing. I might start to use it as a development bed for a setup to go into a cleaner S10/Blazer next year. Start with 350 swap, then move onto twin turbo setup:

    https://www.cxracing.com/turbo-kit/t...0-V-TT-GT35-T4

    I like the kit because its cheap, it apparently works from reviews, and its flanged for T4 so I can step it up to 72mm turbos eventually. Once the 350 swap with the gt35 twins is done, it would get the appropriate transmission/drivetrain behind it as things broke. Then a new properly built motor, etc etc. It would be a nice, staged modification list with a plan, and be a great way to sort an eventual setup out for a cleaner chassis.

    I mean, one can dream anyways. 600whp on a stock 350 is doable with twin turbos, even hotrod recently did it. Would be an entertaining shitbox for sure :burnout:

  6. #6
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    That's hilarious that this car will beat most anything on the street if you wanted it to.

    Also, can I get the link to that 4gauge kit off of Amazon?
    Quote Originally Posted by AudiInProgress View Post
    MMMMMMMmmmmm. Your voice makes me moist.

  7. #7
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    Quote Originally Posted by JoshP2002 View Post
    That's hilarious that this car will beat most anything on the street if you wanted it to.

    Also, can I get the link to that 4gauge kit off of Amazon?
    I think it should be pretty fun. The end goal would be 1500whp on twin 72mm turbos. The budget would be $10k for the entire build. Might need to stretch it to $15k to be able to include a dual Holley Sniper fuel injection system and misc other things, but I'll slowly start building up my parts over the winter.

    As for the kit, definitely! $34+gst, such a good deal (and comes with the big inline fuse, that's where most kits kill you is they don't include that):

    https://www.amazon.ca/gp/product/B01...?ie=UTF8&psc=1

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    I'd thank you for the posts but I can't.

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