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  1. 262ci Forum (4.3)
    I need to know the name / part number of the location where the fuel lines go into the intake manifold. I believe this is a CPI / spider fuel system since the fuel lines aren't directly connecting to the carb. The throttle body also appears to only have one large flap vs some I've seen with two...
  2. S10 / Sonoma
    Hey, So I got my oil changed around two thousand miles ago (I work at an express lube). When they pulled the plug, it had low oil inside the engine pan. However, the level showed it was full on the dipstick. I thought nothing of it though as the engine is burning oil very slightly. So we do the...
  3. 262ci Forum (4.3)
    Hello, I’ve purchased a Nutech engine cylinder head 2ck9 for my 98 s10 4.3 vortex and noticed really quickly that the original rockers will not catch the thread in the head. The threads on the rocker arm are too small. My question is what is the correct size that I need and what is the original...
  4. 262ci Forum (4.3)
    Hi, I have a 1999 S10 with the 4.3L and NV3500. I also have a 2003 S10 ZR2 with a 4.3L Auto. The motor went in the ZR2. What is needed to swap both the engine and transmission into the ZR2 especially with the ECM. Thanks!
  5. S10 / Sonoma
    So while I was pushing it too much on the highway, it started to slow down, and it began to die. I gave it throttle, and nothing happened. My power steering went out. Everything went out. It was random, with no noise cues and no change in feeling. It just started to die; no smoke, no oil leak...
  6. S10 / S15
    What is the best method and oil type (Synthetic, Synthetic Blend, Conventional) for breaking in a newly rebuilt engine? In my case the 2.8l engine.
  7. S10 / S15
    Hello everyone. I have a video linked below to show the issue. My 99 2.2 5 speed is giving me a heck of an issue. it is loosing ignition power and sometimes will gain it right back and other times it will leave you on the side of the road to wait 30 seconds but then starts right back up. So...
  8. Blazer / Jimmy / Bravada
    looking for 500 hp out of a 4.3 v6. too much power for a small engine... probably but I'm willing to try anyone else getting these kinda numbers or close to it. budget, close to unlimited specs, pics, or links pls
  9. Blazer / Bravada / Jimmy / Envoy
    I’m new to the forum so if there is a thread that has answered this, I’m sorry in advance. I purchased a 1998 Blazer with the 4.3l vortec back in the start of May. I was installing a new radio along with my amplifier and subwoofers and couldn’t help but take the instrument cluster off because...
  10. 262ci Forum (4.3)
    I have a 01 Blazer 2dr, 2wd,5spd, 4.3l, and the original motor blew up so I put a 4.3 from an Astro Van in it. The van was running perfectly fine before someone rear-ended it, and i was able to snag the motor. The van was automatic but everything looked the same, i plugged everything in, and...
  11. S10 / S15
    Okay here’s the deal. I’ve got a 1994 ZR2 CPI. Over the course of the past two weeks I’ve installed new distributor, fuel pump, both knock sensors, injector assembly, fuel filter, knuckle kit, egr block off plate, motor mounts, temp sensor, spark plugs, wires, upper and lower intake gaskets...
  12. LSx Discussion
    I could really use some advice from someone who has gone through this or knows what's involved. (PLEASE ONLY POST REGARDING ADVICE OR HELP!!) I got a customer with a 02 blazer ZR2 4.3L 4WD wanting to do a LS swap. Im doing this swap on clock so I want to make it as efficient as possible and...
  13. 2.2L - 2nd gen 4-banging
    I have a 96 s10 2.2l that had a blown engine. Pulled that engine and replaced it with 99 2.2l out of a s10. I kept the intake from the 99 and did some wiring so that all the sensors would match up (all sensors are showing up working on the scanner). Changed the crank sensor and put in fuel lines...
  14. Wanted, to Buy
    I have a 1998 S10 2.2 and my EGR tube is cracked. I'm located in NJ. Please PM if you have one for sale.
  15. S10 / Sonoma
    I have a 2.2 I want to swap a 98 5.7 out of a corvette in to it based on what I’ve looked up they both have 4L60-E trans but will they mate up and are the bellhousings any different I plan on ordering a new harness from cpw I want to stay automatic I want it to look as stock as possible
  16. 262ci Forum (4.3)
    Hello! My truck has been throwing some mixed signals this year. At first she was giving me a P0301, so I changed all the electrical components (sparks along with the wires, distributor rotor and distributor cap). I also installed a new fuel pump and the air intake is in perfect condition (clean...
  17. S10 / S15
    I know this sounds dumb, but I don't know how many fuel injectors to order. I have a 1992 S10 with the 2.5L 4cyl RWD 5-speed, ext. cab. I know there's not 4 because it has TBI but after trying to find how many, I can't find anything for this specific year whether it has a single injector or...
  18. 262ci Forum (4.3)
    I’m planning to buy another 4.3l v6 non-vortec for my 91 s10. I’m going to put a new cam, pistons, connecting rods and a TorqMaster SuperCharger since all the bolt patterns are the same. Maybe 50 shot of NOS in the future. How do I make sure the new engine is the same as the old engine? Meaning...
  19. 4.3 vortec parts

    What is a fair price for bulk? Block has seized crankshaft but everything else is good.
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