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1988 Blazer

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by rocko, Jul 18, 2000.

  1. rocko

    rocko 1/2 ton status

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    Location:
    Ellsworth, Maine
    I found a 1988 Blazer for sale.. It's in decent shape.. minor dings and dents, The drivetrain needs some alignment and all the power/electrical works. One problem.. At 25 to 30 mph when I accelerate, It would cut out then pick back up again. I am thinking it's a clogged fuel injector..
    My question: On the 1988 Blazer w/ the 5.7 V8, What type of fuel injection is used? TBI? or what?
    The guy "salesman" or lack there of, told me that the injectors are installed only on one side of the engine.. For some reason "whomever" owned the truck "removed" the injectors on the drivers side !!!!?????
    What the hell is this guy talking about? Anyone ???
    What could be the problem?
    Any help before I make the purchase is greatly appreciated.
    It's selling for 4,500 but I got him down to $4,000.
    Thanks for any input.

    It's better to Have IT than to not need it, Than to Need it and NOT HAVE IT !!!!
     
  2. KrebsATM02

    KrebsATM02 1/2 ton status

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    Um your blazer has TBI, it has two injectors in the thing that looks like a carburator. They spray an umbrella looking mist into the little bowl looking thing below them. I have never heard of someone disconnecting them and i am pretty sure that your engine would not run worth a crap, but i could be wrong. - Doug

    Doug Krebs
     
  3. det45

    det45 1/2 ton status

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    The 88 blazers came with throttle body injection (TBI) it looks like a carb but hase two fuel injectors within the assembly. It should also have a round black air cleaner housing attatched to the TBI that contains the air filter element. If your engine is a 5.7 liter (or 350cid) it is rated at 210 horse power with decent torque for a stock set up. If either fuel enjector is obstructed which affects the spray pattern CFMS, then your truck will stumble. Also bad gas will make your truck stumble along with a clogged fuel filter. Before you buy this truck be sure to have the seller fix this problem and/or have a qualified mechanic check it out. If the seller is not willing to fix this problem at his/hers cost, then do not buy the truck. It's likely that there is other things wrong with the truck. Just because the truck looks good doesn't mean its a peach. 4x4s are very expensive to fix and that's something you don't need after spending $4000.00 Hope this helps you......Det45
     
  4. MudRebel350

    MudRebel350 1/2 ton status

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    If there is only one fuel injector it wouldnt run. Theres suppose to be two the work correctly. If one was unplugged it would cut off the fuel to 4 cylinders and the engine would stall. $4000. sounds like alot to me. I got my 88 Jimmy for $2200. its in excellent shape.

    J.D.
    88 Gmc Jimmy
     
  5. det45

    det45 1/2 ton status

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    You are right mudreble however I was talking about obstruction of the spray pattern, not complete blockage. I'm sorry for not being clearer.....Det45
     
  6. MudRebel350

    MudRebel350 1/2 ton status

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    I know what you meant. It has to be that perfect conical mist for the engine to run right.

    J.D.
    88 Gmc Jimmy
     
  7. JimmyDie6.2

    JimmyDie6.2 1/2 ton status

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    I not a mechanic BUT, I installed a 4.3 with TBI in a 90 S-10, when I was all done and ready to start it the motor would go then stop then go. Buck around like your describing. After a while a friend of mine comes over and shakes the wire harness to the computer, the damn wires were loose giving the TBI intermittent power. So my 2 cents are check and make sure all the connectins are tight. And heres two more cents I would double check every word that "Salesman " said to you. GOOD LUCK......JS
     
  8. bigdaddy89

    bigdaddy89 1/2 ton status

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    Rocko, Take a look at this.Year: 1988 Production Total: 28,446
    Base Price: 14,509 Weight: 4,676
    Wheel Base: 106.5 in. Fuel Tank Capacity: 26-gallon/31-gallon
    Length: 184.8 in. Height: 73.4 in.
    Std. Engine, (net HP):
    OHV Eight-cylinder 350 cid. (210) @ 4000 rpm




    Opt. Engine, (net HP):
    OHV Diesel Eight-cylinder 379 cid. (130) @ 3600 rpm

    OHV Diesel Eight-cylinder 379 cid. (148) @ 3600 rpm

    Rear Axle:
    GM Corporate 10-bolt (8.5-in. 1.28 Axle Dia. 28 Spline)
    Front Axle:
    GM Corporate 10-bolt (8.5-in. 1.28 Axle Dia. 28 Spline)

    Transmission (M):
    SM465 4 spd. (6.55:1 First Gear)
    Transmission (A):
    TH700-R4 (3.06:1 First Gear)

    Transfer Case (M):
    NP208 (2.61:1 Low Range)

    NP241 (2.72:1 Low Range)
    Transfer Case (A):
    NP208 (2.61:1 Low Range)

    NP241 (2.72:1 Low Range)

    Notes:
    Four new colors were introduced for 1988: Bright Blue Metallic, Forest Green Metallic, Light Mesa Brown Metallic, and Dark Mesa Brown Metallic.
     
  9. delta9blazer

    delta9blazer 1/2 ton status

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    hey big daddy, ya got that kind of info for the 89 model year? i would imagine that most of it is the same. weight, wheelbase, etc.
    how can i tell which x-fer case i have?
    thanks!

    <font color=purple>delta9blazer</font color=purple>
     
  10. PattBlue

    PattBlue Registered Member

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    All that info is listed in the Specifcations page link...
    Year: 1989 Production Total: 26,663
    Base Price: 15,965 Weight: 4,878
    Wheel Base: 106.5 in. Fuel Tank Capacity: 26-gallon/31- gallon
    Length: 184.8 in. Height: 73.4 in.
    Std. Engine, (net HP):
    OHV Eight-cylinder 350 cid. (210) @ 4000 rpm




    Opt. Engine, (net HP):
    OHV Diesel Eight-cylinder 379 cid. (130) @ 3600 rpm

    OHV Diesel Eight-cylinder 379 cid. (148) @ 3600 rpm

    Rear Axle:
    GM Corporate 10-bolt (8.5-in. 1.28 Axle Dia. 30 Spline)
    Front Axle:
    GM Corporate 10-bolt (8.5-in. 1.28 Axle Dia. 30 Spline)

    Transmission (M):
    SM465 4 spd. (6.55:1 First Gear)
    Transmission (A):
    TH700-R4 (3.06:1 First Gear)

    Transfer Case (M):
    NP241 (2.72:1 Low Range)
    Transfer Case (A):
    NP241 (2.72:1 Low Range)

    Notes:
    The 1989 Blazer had new base and up-level grilles, as well as new headlight bezels and new body side moldings, and bumper rub strips.

    Corporate 10-bolt axles were upgraded to 30 spline axle shafts from previous 28 spline (1989-91).

    New for 1989 was the introduction of an all-new base coat/clear coat paint.

    The L05 5.7-liter V-8 now had serpentine accessory drive belts in place of the older multi-belt accessory drive.

    Blazers featured a steel half-cab with an integral roll bar built into the steel front compartment roof and lock pillar structures.
     
  11. Boss

    Boss 1/2 ton status Author

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    Hey Delta,
    Check the specs page on this site for info like that on your 89'.
    Boss
     
  12. rocko

    rocko 1/2 ton status

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    Thanks for everyone's information.. I'm going to go ahead and attempt to purchase this vehicle. It's really in good shape..and it has the "quad shock" setup up front. wooo hooo
    Where does everyone get the "specs" is their a webpage or am I missing something on this site.. ?
    Thanks again to all who supplied information to me.
    Rocko.

    It's better to Have IT than to not need it, Than to Need it and NOT HAVE IT !!!!
     
  13. Burt4x4

    Burt4x4 3/4 ton status

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    Goto the Home page coloradok5.com and click on specifications, there is a good list for you to check out.

    Rock ON![​IMG] 72 K5 [​IMG] Led Zeppelin
    http://burt4x4.coloradok5.com
     
  14. bigdaddy89

    bigdaddy89 1/2 ton status

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    I guess I got in a hurry on my previous post. OOPS. If the front end has dual shocks, it might have a limited in the rear. Look inside the dash compartment for G80. This is the code for limited slip. GT4 is the code for 3.73 gears.I don't know if this really matters to you, but just passing along the info.
     

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