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new engine

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BooShaK5, Dec 28, 2000.

  1. BooShaK5

    BooShaK5 Registered Member

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    Another question: smoke comes out of my exhaust in the morning. I was told that is a sign that the 350 in my 1988 full-size Jimmy is showing evidence that it will take a dump, since it is approaching 180 K miles. I'm starting to save $ now for that rainy day, and I want to know where I can find out my decent options for a new engine when it happens. I get about 12 miles per gallon now, and I want to put in a good (preferably bulletproof "so to speak") engine that will provide much more horsepower and torque at similar or better levels of gas consumption. Can I actually aim for a 2001 350 engine? (and possibly the 2001 5 speed tranny to go with it), I really don't know what all my options are and I want to be well informed far before I ever make a decision like that (and so I know how much to save) thanks to everyone!!
    FroM Dave.
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Thats a long one : ) The smoke on startup is typically the valve stem seals. No problem to have those changed. Cheap to to fix too. My 305 was doing this at 130000 miles and long before that I am sure, its pretty typical. Its just leaking into the cylinder, then burning off as you run it. If your motor has been well taken care of, you can put the newer Vortec heads on it (about $450 plus shipping) and have the short block redone, or buy a new one. Personally, I'd have mine redone. If its been taken care of, you might be able to get by without even boring the cylinders, and replacing pistons. There is nothing different enough on the new motors besides the heads and cam to make buying a brand new one worth it, unless you don't want the hassle. Get an idea what new GM crate motors cost at Scoggin Dickey. (look them up in Yahoo or somewhere, they also have the Vortec heads) You can get one of the NV4500's (5spds) used out of wrecking yards here for $2500. Then you have to adapt them to the transfer case. My dad decided to just use a Gear Vendors OD unit. Still expensive if you ask me, and not enough Overdrive.

    Dorian
    My K5 and Chev/Olds links: <A target="_blank" HREF=http://yeagerd.home.mindspring.com/index2.html>http://yeagerd.home.mindspring.com/index2.html</A>
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Forgot to add that Fuel Injection would be nice too! :)

    Thats a long one : ) The smoke on startup is typically the valve stem seals. No problem to have those changed. Cheap to to fix too. My 305 was doing this at 130000 miles and long before that I am sure, its pretty typical. Its just leaking into the cylinder, then burning off as you run it. If your motor has been well taken care of, you can put the newer Vortec heads on it (about $450 plus shipping) and have the short block redone, or buy a new one. Personally, I'd have mine redone. If its been taken care of, you might be able to get by without even boring the cylinders, and replacing pistons. There is nothing different enough on the new motors besides the heads and cam to make buying a brand new one worth it, unless you don't want the hassle. Get an idea what new GM crate motors cost at Scoggin Dickey. (look them up in Yahoo or somewhere, they also have the Vortec heads) You can get one of the NV4500's (5spds) used out of wrecking yards here for $2500. Then you have to adapt them to the transfer case. My dad decided to just use a Gear Vendors OD unit. Still expensive if you ask me, and not enough Overdrive.

    Dorian
    My K5 and Chev/Olds links: <A target="_blank" HREF=http://yeagerd.home.mindspring.com/index2.html>http://yeagerd.home.mindspring.com/index2.html</A>
     
  4. NYC K5

    NYC K5 1/2 ton status

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    i paid $1500 for a new from GM 350 short block 2 years ago. it cost me a total of $2300 to have it installed (it was 15degrees out and i dont have a garage) and that included a new water pump and clutch. dont know how much a 5-speed is i would guess no more than $1500
     
  5. gokartergo

    gokartergo 3/4 ton status Staff Member Moderator

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    I just bought a crate motor frm chevy for $1349.00..Runs great again

    Gokartergo

    [​IMG]
     
  6. undertow

    undertow Registered Member

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    yep... the new 4L60Es are $1400 local. $2000 installed.

    [​IMG]
     
  7. MudFrog

    MudFrog 1/2 ton status

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    I've seen 350 crate motors with 330 HP for as low as $2000, so it all depends on what you want to spend. You could go up to a BB 454 for $4000, giving you around 425 HP. Personally I'd like to go with a 383 stroker, I've seen them for around $3000 putting out 325 HP. Or you could get the standard 350 4 bolt main replacement engine for around $1300. I believe this one is supposed to have around 275 HP.
    So it all depends on what you want. Do a search on the internet for "GM Crate Engines". Start looking from there and you'll start to get an idea of what is available.

    89 K5 Silverado
    <A target="_blank" HREF=http://mudfrog.coloradok5.com>http://mudfrog.coloradok5.com</A>
     
  8. Cavalry

    Cavalry 1/2 ton status

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    If you are going to end up with a crate engine Check out pace Parts. They have the best prices I have found.
     
  9. Cavalry

    Cavalry 1/2 ton status

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    <A target="_blank" HREF=http://www.paceparts.com>http://www.paceparts.com</A>

    <P ID="edit"><FONT SIZE=-1>Edited by Cavalry on 12/29/00 08:39 AM (server time).</FONT></P>
     
  10. Boss

    Boss 1/2 ton status Author

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    Yeah Calvary, Pace Parts is where I bought my new engine. I wanted their 350 HO w/ 330 HP so bad, but at the time, I was next to broke, so I opted for their regular GM Crate for $1249 plus $130 for shipping. So far, I have about maybe 4000 miles on it, give or take. I don't have any complaints. It feels really strong. But I do get the white smoke from start up when very cold though. That's from condesation and everyone gets that. If that is your only problem, I wouldn't worry about it. But then again who knows.
    Boss
    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>

    [​IMG]
     
  11. MudFrog

    MudFrog 1/2 ton status

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    Boss,
    Thats the same engine I had in my old truck, only difference is when I got it home I put a bigger cam, and high volume oil pump in it. Do you have any idea what kind of horsepower it has stock?

    89 K5 Silverado
    <A target="_blank" HREF=http://mudfrog.coloradok5.com>http://mudfrog.coloradok5.com</A>
     
  12. Boss

    Boss 1/2 ton status Author

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    Mudfrog,

    They told me it pushes out 210 HP. But with an Edelbrock Performer Intake, Afterburner Headers, EdelQuad Carb, Dual Exhaust, K & N, I figure I'm pushing out atleast 275HP. This is all assumptions though, I never Dyno'ed it, so I don't know for sure. But it sure feels strong.
    Boss
    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>

    [​IMG]
     
  13. Cavalry

    Cavalry 1/2 ton status

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    upstate NY(although I cant figure out why)
    I was able to scrape up enough cash to go with the 350HO. The differance from going from a milked out 305 to that was amazing. FI is the next step.
     

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