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Forum: 4.3L V6 Engine Tech

Vortech 4300, LU3 & LB4 Motors

  1.   Sticky Threads  

  2. Smile Sticky Thread Sticky: 4.3L Vortec Marine Intake Conversion Helpfull Hints:

    Our Test Mule... 98 GMC 4dr Mega Moose Jimmy 4x4. Hello 4.3L Fans.... If your looking for some information for deciding weather the Marine...

    24 Pages
    1 2 3 ... 24
    • Replies: 357
    • Views: 216,742
    10-04-2016 08:33 AM Go to last post
  3. Sticky Thread Sticky: 4.3L V6 Platforms and Engine Codes

    Thanks to Josh Downey and Wikipedia for the info. The Vortec 4300 is a 90° V6 truck engine, replacing the Chevrolet 250 in light trucks and...

    • Replies: 4
    • Views: 14,899
    06-21-2013 01:42 PM Go to last post
  4.   Normal Threads  

  1. '96 4.3 Vortec Harmonic Balancer Upgrade

    Building a '96 4.3 running a ProCharger P1sc (now for 30K) and am looking for harmonic balancer/damper options-I want a steel one because of the...

    • Replies: 1
    • Views: 79
    05-10-2017 10:00 AM Go to last post
  2. What aftermarket harmonic damper is available for '96 4.3 Vortec OBD2?

    I'm rebuilding my '96 4.3 vortec running Marine manifold, 44#inj, '0411 pcm, intercooled ProCharger P1sc which I have 30,000+mi on combo-80k total...

    • Replies: 1
    • Views: 126
    04-08-2017 03:25 PM Go to last post
  3. 4.3 Intake swap

    Hello, I have a 93 vortec switching from EFI to carb for my trail truck. I found an Intake off an 86 that's a 4 barrel . My question is can I...

    • Replies: 1
    • Views: 146
    03-27-2017 09:02 AM Go to last post
  4. 4.3 Engine Interchanges?

    I am currently running a very tired 1987 4.3 V-6 in my street rod and wish to replace it with a newer 4.3 with lower miles. My question is, what...

    • Replies: 0
    • Views: 148
    03-05-2017 04:32 PM Go to last post
  5. Edelbrock intake differences?

    Hey guys new to forum so please forgive me if this has come up before. I have a '89 Jeep YJ that I swapped a 4.3 out of a '89 s10 into. Part of...

    • Replies: 0
    • Views: 221
    02-02-2017 10:09 AM Go to last post
  6. older camshaft in balance shaft motor ?

    IS this possible ? will it work ? An older camshaft in a non balance motor ?

    • Replies: 0
    • Views: 172
    01-25-2017 08:44 AM Go to last post
  7. 350 hp v6

    Is it possible to build a 4.3 to 350 HP (or more) on a carburetor? I want something economical and durable that would work in place of v8, just to...

    • Replies: 0
    • Views: 584
    11-14-2016 05:46 PM Go to last post
  8. building a 4.3l

    ok so i can do the 60*(3400) thing, but im looking at a 92 4.3l v6 to rebuild better stonger faster for my boss. i have found a few things that are...

    2 Pages
    1 2
    • Replies: 21
    • Views: 18,304
    09-09-2016 02:01 PM Go to last post
  9. Question Does 1991 chevy s10 4.3L need oil slinger?

    I have a 1991 chevy s10 4.3L v6. When removing the timing cover, there did not appear to be an oil slinger. The chain was in pretty bad shape and the...

    • Replies: 0
    • Views: 327
    09-04-2016 03:04 PM Go to last post
  10. 4.3 Hesitation, Bog, occasional backfire

    the motor is out of a 93 s10, ive swapped the motor in to my 4runner. I am using an affordable fuel injection harness and AFI programed chip. The ECU...

    • Replies: 0
    • Views: 565
    07-27-2016 09:10 PM Go to last post
  11. Need Low RPM Torque out of a 4.3 Vortec

    Hello everyone, I am in the process of building a 4.3L vortec with a balance shaft. I want to get all of my power from idle to 3500RPM The...

    • Replies: 1
    • Views: 1,012
    05-26-2016 11:35 AM Go to last post
  12. Unhappy I'm new here and could use some help, please.

    Hi guys, I'm new here and just recently got this 1991 4.3L V6 GMC S15 Jimmy SLX from a co-worker that was fed up and frustrated with working on it. ...

    • Replies: 1
    • Views: 621
    05-25-2016 04:44 PM Go to last post
  13. 4.3 Vortec Marine Intake manifold

    I'm looking for a COMPLETE 4.3 marine intake that will bolt to vortec heads for a turbo project on my 4.3 Silverado. I have seen a few on Ebay but...

    • Replies: 1
    • Views: 948
    03-17-2016 07:28 AM Go to last post
  14. N/A 4.3L performance build

    Working on my 1994 Cheyenne that I am autocrossing and wanting to build a V6 powered truck to shame the V8s i run against. The build will stay...

    • Replies: 8
    • Views: 1,642
    03-16-2016 09:57 PM Go to last post
  15. '99 4.3L swap from a '92 or '95?

    My dad has a 1998 Blazer 4wd with a bad engine and asking if I could help him put in another engine. A friend has a couple 4.3's he'd let us use:...

    • Replies: 3
    • Views: 914
    03-16-2016 09:45 PM Go to last post
  16. 4.3 Build Advice Needed

    I am building an L35 4.3 out of a 2000 blazer for a swap. I will be running the injection, ECU, wiring out of the donor truck. I WILL be having the...

    • Replies: 1
    • Views: 917
    03-16-2016 05:56 PM Go to last post
  17. Question Decisions, decisions

    Hey everyone, i'm new here as of yesterday and have found the site very informative already. I have a question regarding future plans for my 94 s10...

    • Replies: 0
    • Views: 589
    03-16-2016 05:12 PM Go to last post
  18. Rebuild

    Okay, So I have an 07 (classic) 4.3 v6 5 speed tranny. She has over 156 thou. on her. Has a front main seal leak. And puffs smoke on start up. If...

    • Replies: 1
    • Views: 824
    03-09-2016 08:01 AM Go to last post
  19. Exclamation Accel ECM # 1227746

    Hey everyone, Didn't know where to put this as it's not for sale. I have an ACCEL 1227746 ACDY8820 says 1988 4.3L TBI Free to good home....

    • Replies: 0
    • Views: 707
    02-21-2016 10:31 AM Go to last post
  20. need help with some 4.3 wiring

    Hi guys. I know it's not a car question but it is an engine question. I have a 1998 4.3 chevy engine that I would like to put in a boat. The problem...

    • Replies: 0
    • Views: 704
    02-01-2016 07:16 PM Go to last post

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