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!!! PROBLEM SOLVED !!! - The New Edelbrock 850CFM Q-Jet REALLY WORKS !!!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Greg72, Feb 17, 2002.

  1. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    I just wanted to let everyone know that after WEEKS of head scratching, foul language, and product returns..... I now have the new Edelbrock #1910 (850 CFM Quadrajet) mounted and running WELL on my K5!!! [​IMG] [insert happy dancing animation here]

    The problem was a freakish mechanical fuel pump that appeared to run fine (8-9 psi), then suddenly would start pumping at 16psi..... as you might expect, the carb was not happy being force-fed that much fuel and it would run terribly.

    The solution was to add a new fuel pump and fuel pressure regulator. The regulator is cool...it has a little selector knob and you can just twist it to get whatever fuel pressure you want. Right now it's set at 3 psi and seems to be OK.

    On the street, the Q-Jet runs really well, and with the electric choke it starts right up and idles great. The only problem is that now my rear tires make a funny noise whenever I really jump on the gas!!!! [​IMG]

    I'll be testing it offroad when I get the chance, but based on the improvement I'm already seeing with it's "on road" manners, I will be having a LOT more fun offroad.....not more stalling out on every hill, sputtering, always the last one in line, etc...

    Anyway, I know that many of you were concerned about my bad luck with the new Q-Jet, so I just wanted you to know that it appears to be everything they claim......



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  2. POWERMAD

    POWERMAD 1/2 ton status

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    cool I am glad to hear that everything worked out.
    That is the carb I am going to get whenever I get around to dropping in the Big Block.

    <font color=green> Too bad ignorance isn't painful </font color=green>
     
  3. Twiz

    Twiz 1/2 ton status

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    Great!!!

    <font color=white>.</font color=white>Eric
    <font color=white>.</font color=white>Twizted
     
  4. Greenblazer-AZ

    Greenblazer-AZ 1/2 ton status

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    I was looking at your pics. Are you going to powdercoat the frame for easy hose off cleaning, so you wont have to steal your wife's toothbrush. Frame up build up is what I would love to do. I'd powder coat as much as possible for looks, durability, and easy cleaning. Clean under sides are so much more pleasant to work on. I'm glad to hear the carb problem was solved, I've got my eye on the same carb. Congrats on winning the big prize.

    If you knew the truth, you too would be against marijuana prohibition!
    Blue '74Blazer Topless W/ 35 BFG Muds1" Body Lift W/ Energy Susp. Bushings
     
  5. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Congrats! You'll love it! That was the best carb I EVER ran (and I've run most everything Q-Jets, T-Quads, Holleys, AFBs (even multiples[​IMG]), etc.). I would be running one now except that I decided to finally try to build a "semi-extreme" rig and the Q-Jet will eventually start sputtering, so I decided to try my first EFI/TBI. Jury is still out on that but I think it will be nice.

    Russ

    85 K30 CUCV, 350 TBI, TH400, 205, D60/C14, 4.56 Locked, 4" lift, 42" tires
    Some day: massive cutting, shorter wb and rear overhang.
     
  6. twenty_below0

    twenty_below0 1/2 ton status

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    GREAT, I'm glad to here that you got it running right, makes me feel better! I was looking at a couple rochesters from some other members here but now that yours is actually fine I think I will stick with the original plan for the new motor and by this bad ass q-jet! After reading your posts I had all but forgot about using one. GOOD LUCK
     
  7. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    Congrat's dude. That has been stumping you and everyone here for weeks now. Glad to hear you finally resolved it!

    ...What's that "noise coming from the back tires when you really jump on it" all about!???[​IMG][​IMG]

    [Real Men Don't Care About Gas Mileage Or Rapid Tire Wear!]
    1972 K/5
    Ryan B.
     
  8. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Now Ryan, I KNOW that I don't need to explain that to YOU!!!!! [​IMG]



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  9. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    GreenBlazer,

    The plan is to powdercoat it.....as far as I know that is THE strongest and most durable coating there is....

    To date, I've got about 30 hours into cleaning that frame and dismantling EVERY possible nut, bolt, bracket, hose, fitting , etc. The only thing I'm not removing is the rivets!!! Oh, and I think I'm up to about 35 cans of Brake Cleaner used so far.....!!! [​IMG]

    I'm getting close.....now the frame is flipped upside down so I can clean the last remaining surfaces....then it's time to sandblast!!!!



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  10. SCOOBYDANNN

    SCOOBYDANNN 1/2 ton status

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    so my ?? is------would you reccommend it? Of course i would like some feedback after you take it on some inclines, I kinda have a problem with spending $300 on a carb but if its worth it i might hafe to try it. But so far you like it. right?

    Sun Desert Offroad <a target="_blank" href=http://4x4.alloffroad.com>4x4.alloffroad.com</a>

    83 Chevy, 350, sm465, lincoln locked14ff, dana 60,4.56's, (sometime soon flatbed,and 39.5" TSL's)
     
  11. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Scooby,

    It's still too early to say I 'recommend' it.....It's going to take me some time before I fully "trust" this carb. It's more of a psychological barrier than a shortcoming of the carb.

    Remember too.....Summit charged me more like $460 for the carb, and another $100 for the "Calibration Kit"....so I've got pretty high expectations based on the money that's now tied up in this thing.....oh yes, and not that I can really blame the carb for this.....but I'm also still feeling the "sting" of another $500 in parts and diagnostic labor to get it running on my engine!!!!! This has been an expensive solution for me...... [​IMG]



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     

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