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Thread: how fast can a 4.3 go?

  1. #1
    BL Metalhead thechariot's Avatar
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    how fast can a 4.3 go?

    so, among driving down the highway to a friends house the other night. we were flying. i maxed out my speedo, and kept up with a friend in his mustang going 130. is that how fast this thing can really go? or is his speedo messed up.
    just a question.
    thanks.
    92 blazer 4 door 4.3 2wd, 00 s10, 03 accord v6


    Originally posted by 668
    I fuckin popped her, held back a little, but I clipped her pretty good.


  2. #2
    Stalker Nate Audiodogg's Avatar
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    The S-series vehicles have a limiter and it usually cuts out just before 100mph, cuz I know mine cut out at 150 km/h or around there which is around 100mph I think. All of them have the limiter but there are ways around it, to increase the tops speed. The 4.3 is a good engine though will the proper gearing they can get going pretty good.

    Nate

  3. #3
    built not bought pimpinblazer89's Avatar
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    i had mine to about 100mph after that just kinda revs out
    Jeff
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  4. #4
    Zombie Killer 6SpeedBlazer's Avatar
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    govonor is set at 95

    the only way around that is with a 5 speed adn you kill the power to the speedo

    only way to do it

    130 :bs:

  5. #5
    BL Metalhead thechariot's Avatar
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    not my call

    he said it was 130. didnt really thing it was going that fast.
    so 95?
    92 blazer 4 door 4.3 2wd, 00 s10, 03 accord v6


    Originally posted by 668
    I fuckin popped her, held back a little, but I clipped her pretty good.


  6. #6
    Vamos Mantequilla!!! ProfessorKaos's Avatar
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    Mine topped at 102, tested next to my friends 91 camaro rs...and his 02 r6.

    '93 bodied Std. Cab....Classick
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  7. #7
    My S-10 fleet is gone... s10blazed's Avatar
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    the 92s might not have the 95mph governor. I'm not sure. Without my governor I've had mine to 117. I was even clocked by a state cop in OH.

  8. #8
    Registered User thadlinkwent's Avatar
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    Mine has no governor... I got it up to 115ish (probibly more like 110)... Everything was shaking fast inside my truck... I made the mistake of lookin at my speedo and slowed down...

    I did watch my gas guage when I did it... Talk abouta quick drop...
    Originally posted by S/T Lover
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  9. #9
    help i cant get out! van_wilder's Avatar
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    i did this in my 91, it only goes up to 85, i am not sure how fast i was going but i could see the speedo needle in the gas gauge :bigthumb:

    also in my friends 84 iroc we spun the speedo around 2 times, i was scard with that one, u could feel every little bump, and the car felt like it wanted to lift up in the front
    "everybody wants to go to heaven, but nobody wants to die"-Joe Louis

  10. #10
    Insane Network Engineer rlith's Avatar
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    my 92 stock kicked in at 129... (We found this out on a trip to virgina)
    Support Sattelite Radio! Goto www.siriusbackstage.com
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  11. #11
    Reverse Engineer tester239's Avatar
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    i've gotten up to 92mph, there's so much noise from the air rushing past me.. then I ran out of road. i've gotten to only like 70-ish in 3rd gear (auto tranny)... I don't like to push the pedal all the way down becuase when it gets really close to red, it shakes violently..... i've gotta have heat on max in order to prevent over heating :mad:


    if you make a switch that turns off the speedo signal to the ECM, wouldn't that cause the ECM to stop giving as much fuel to the engine or soemthing? What if I emulated a signal that I'm going one mile under the limiter and just kept going?


    and how do you remove this magical "govenor" ? i've heard it's just a logical govenor hard coded into the ECM.. i've looked over ECM PROM data, and have yet to find max speed data listed in it.
    CAPS LOCK IS CRUISE CONTROL FOR AWESOME
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  12. #12
    Insane Network Engineer rlith's Avatar
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    If you're shaking at 92 you have other issues. To change the speed limiter in the 1st gens, you need to goto www.jetchip.com
    Support Sattelite Radio! Goto www.siriusbackstage.com
    goto http://www.pghconsulting.net/teal to see my updated pics!
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    95 S10 Blazer 4x4, Vortech CPI, EGR mod, 99 Centerconsole w/ shifter, , 2001 Extreme zq8 steering box, Pioneer head unit, Leather interior

    -- I won't bag it and/or drop it, because face it, I'm too old to have a ghetto-mobile
    "I live with 2 retards and a deaf person.....It's not so bad..." --Grandma

  13. #13
    Registered User syclonekid43's Avatar
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    i had mine over 100 and it never shut down, but i had my syclone up to 126 mph. dont know why 126, but thats what its set at on that truck
    91 GMC SYCLONE(fast),88 2wd blazer(old school and sold),88 S-10 BLAZER(sold),92 4dr 2wd blazer(pink and bagged)93' s-10 blazer(plow truck),88 GTA TUNE PORT(blown motor),97 MXZ 670,01 YAMAHA RAPTOR(sleeping),87 YSR 50 CC WITH A 125 CC(never be done)
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  14. #14
    2wd owning member bmxr4life87's Avatar
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    i didn't think the 1st gens had governors? :confused: oh well, mines a 90, and mine will go till my gears wrap out, my speedo was reading like 130something, but my speedo is off, and that was with my 18's, with 5 people in the blazer, but it felt awesome, i dunno what max is though, i woulda figured like 110 or so, depending on your rearend
    NEW RIDE 89 s10 std cab shortbed 2.5 5 speed 2WD slammed 6/5
    90 4x4 2dr, primer, 18's, 4.3, rollpan, 6/6 slam, SOLD
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  15. #15
    Want to be low burnoutguy88's Avatar
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    i dont believe 1st gens have limiters, my 92 was bone stock and i got it to 120
    95 blazer 2wd 4 door
    All stock for now

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