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Last chance... Carb selection

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by KRAZIE87K5, Feb 23, 2002.

  1. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    Last chance b4 I buy my new Edelbrock 1902. Anyone with better ideas, let me know. I am also looking for anyone selling a fuel injection system for my 454... if ANYONE has a setup for $500 or less, I will take that off your hands too! [​IMG]

    Thanks again guys/gals...

    -Dan

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     
  2. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    get one of the brand new models of Edelbrock Q-jet....4 wheeler couldnt praise them enough.

    J


    See the on-going build up of my '85 Jimmy! <a target="_blank" href=http://community.webshots.com/user/jekbrown>http://community.webshots.com/user/jekbrown</a>
     
  3. four_by_ken

    four_by_ken 1/2 ton status

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    I just wonder if the magazine gets paid for the praise.

    Ken H.


    '86 K5 in parts
    1-ton 454 44 TSLs
     
  4. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    That is exactly what I am talking about Ken... I wonder if anyone has purchased this carb and performed their own "real world" testing. I don't want to dump $500 on a carb just to learn that it sucks just a little less than the Holley. I would rather just save the money and buy EFI...

    Makes sense, right?

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     
  5. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    Jek-

    Trust me, I've read that article just a few times! [​IMG] But for $500, isn't that most of the way to EFI?

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     
  6. Silver84k5

    Silver84k5 1/2 ton status

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    I got the Edelbrock q-jet and so far i dig it, wish i woulda got 750 instead of 850 though

    i had my hitch reciver buried in the ground and the carb didnt sputter once, im sportin 8 inch lift and 38"s so it had to be at somewhat of a steep angle

    If you dont make it the first time, Drink another beer, and press a little harder on the gas<P ID="edit"><FONT class="small">Edited by Silver84k5 on 02/23/02 02:36 PM.</FONT></P>
     
  7. Greenblazer-AZ

    Greenblazer-AZ 1/2 ton status

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    With the carb instead of fuel injection you will not have to worry about complex electronic parts going bad. FI requires specific fuel pressure to run and the pump may actually be pumping fuel, but not the right pressure causing the rig to not run and leaving you to wonder why. I'll stick to the Q-jet and not worry about the electronic stuff. Just my two cents.

    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
     
  8. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    well, the q-jet is pretty much recognized as the best carb in high-angle situations...a few little mods from the guys at edelbrock may have made a better q-jet...who knows. I *do* know that Holly has multi-page spreads about their carbs in said mag...and that didnt stop there being a good review of the edelbrock qjet. Who knows...maybe Jet Perf didnt pay them enough. =p heh heh. In all seriousness, I like to take things with a grain of salt...at the same time, most 4x4 mags are pretty reputable..I mean these guys dig trucks and stuff...they arent commie pinko NY Times guys or anything.

    J


    See the on-going build up of my '85 Jimmy! <a target="_blank" href=http://community.webshots.com/user/jekbrown>http://community.webshots.com/user/jekbrown</a>
     
  9. sarazk5

    sarazk5 1/2 ton status

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    I recently got the 1903, I am happy with it. Only problem i have with it is it takes 10 minutes for the preset heat style choke to kick off. Other than that I love my carb.
     
  10. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    SO - lemme ask this quesiton. Can that carb power over the waterfall obstacle on Spillway #2 @ Disney? I HATE this Holley... it sputters and dies if you just look at the trail wrong...

    I want to try to make the Spillway #2 run in March. Seems like lotza trucks can make it to CK5 truck of the month if they can snap a shot of their truck perched on that crazy thing! Anyhow, I don't want to have the darn thing dying all the time (like the Holley).

    Just making sure... and I kinda agree with the electrical thing Green - but I would deal with all that stuff if I knew that I would never have to worry about the truck dying from the trail's terrain...

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     
  11. CaptCrunch

    CaptCrunch 1/2 ton status

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    Ok... here is my $.02 worth. I personally wouldn't shell out 500 bucks for carb unless it was going in my drag car. Have you tried just a plain jane Q-jet? They are pretty easy to find and would be way cheaper. Also I have talked to quite a few offroaders who are praising the demon carbs. Say they are really good for angles, but that is just stuff I have heard from a few repuable sources. I know a couple guys who have just plain jane q-jets and wheel like mad... no problems at all.

    If you don't like the stock q-jet idea I would really put your 500 bucks toward FI. You can go a ton of different ways with FI... the new FAST systems are pretty sweet units. Holley's MPI stuff is also ok. Also look into buying a manifold from Holley with injector bungs in it and running either a DIY FI setup or run a custom ecm like Haltech. If you want FI on the cheap.... try and pm Realsquash. I haven't seen Andy around here much, but he has been on pirate some. He has it on his BBC and could probably be able to help you out

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  12. TheGeneral

    TheGeneral 1/2 ton status

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    Find a TBI manifold, and components from a less than new chevy rig, probably can be had for cheap, since not TPI and as far as complicated, far from it. Basically a injected carb with some senors that can easily be diagnosis. Nothing beats FI, unless you like tuning a carb every weekend. Just my 2 cents worth.

    If you ain't hurt, you ain't playin' hard enough.

    The General
     
  13. Greg72

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

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    Krazie,

    I have been LOVING my #1910 Q-Jet (YES, the one that the magazine raved about! [​IMG])

    I don't know how many other people here went out and bought the carb, the day they read the magazine review....but I did.

    I can't tell you about the off-road performance yet....(talk to me after the Pismo Dunes trip in 2 weeks)....but it really works great so far on the street. I haven't driven enough to get a good feel for MPG improvement, but I have a feeling there will be one.



    -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>
     
  14. mudrunner78

    mudrunner78 1/2 ton status

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    my stock quadra-jet works great, 20 dollar rebuild kit, I would love a new carb but man can't right yet to much $$$. But I can say my stock old quad runs great. I just had to figure out how to tune the things. Now I can tilt the truck almost on its side and it still runs, just extend the vent.....jesse

    78 K-10 383, TH-350, NP-203, Dana 70 front, GM 14bolt Rear, 4.56 gears(underconstruction) 78 k-5 stock and rusty
     
  15. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    Greg-

    You bought the jet kit too, right? Did you have to make any adjustments to the carb for it to run it's best?

    Anyone know of a good book on Q-Jets? I would like to know what I can do to the carb to make it run REALLY well... And I think that I will look into a carb rebuild shop, and see what they offer for my Q-Jet.

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     
  16. Greg72

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

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    Krazie,

    Yep, bought the jet kit.....haven't used it yet since I am still enjoying the fact that my truck runs so much better!!!! [​IMG]

    My next step is an MSD box and better plug wires.....then I will probably explore the "tweaks" to the carb.

    BTW-&gt; The fuel pressure regulator was set at 3.5 psi when I left the shop, but under FULL throttle in third gear the truck stumbled badly.....like it ran out of fuel. I turned the knob up to 4psi and will drive around some more to see what the "optimum" setting needs to be? Anyone got an idea?

    Also for Q-Jets: Buy the Doug Roe book "Rochester Carburetors".....it's at Amazon.com for like 13 bucks....it's a good read, and if you are looking to rebuild or just learn more about the Q-Jet it's a great reference.



    -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>
     
  17. KRAZIE87K5

    KRAZIE87K5 1/2 ton status

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    Greg-

    I always thought that 5 psi was where you are supposed to have the fule pressure set at... I was corrected once a few months back when I posted that I was running 9psi to the Holley... [​IMG] After knocking it down to 5psi, the exhaust didn't smell nearly as rich as it had before! [​IMG]

    Let us know how your carb responds to "tweaking" once you get to that stage. BTW - make sure you buy the offroad MSD box... the 6AL won't take the abuse, and will die one day when you least expect it. Don't worry though... only takes MSD about 3 weeks to turn around a warranty claim... [​IMG] (as least they did 4 me the last time I tried)

    <font color=red>GOT MUD???</font color=red>
    <a target="_blank" href=http://home.attbi.com/~netwrite>Midwest Caravan</a>
    454/TH400/NP205 - 14BFF/D60/w/ 4.10s - 36" TSLs
     

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