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Can I run Gen 4 rods in a Gen 3 engine Video

Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by 55Chevy, Jul 13, 2017.

  1. 55Chevy

    Joined:
    Nov 9, 2013
    Finally made a video showing the difference between the G4 and G3 connecting rod weights. Also recommendations from top engine builders on compatibility.
     
    55Chevy, Jul 13, 2017
    #1

  2. Drac0nic

    Joined:
    Feb 28, 2005
    Unless you're scoring a set on ebay used/cheap, I don't know if I'd go this route. I'd be giving the LSA rods consideration. The interwebs found show them at ~696G. Seems like you can get em for $35ish each.
     
    Drac0nic, Jul 17, 2017
    #2
    Barefootrob2019 likes this.

  3. 55Chevy

    Joined:
    Nov 9, 2013
    You can buy the SCAT ProComp I-beam rods for around $350.00ish a set 6.100" press or floating pin and they are a direct drop in no balancing needed.
    I'll have to research those LSA rods, what are they? They're definitely heavy, would need a rebalance if used in a 5.7/5.7/6.0
     
    55Chevy, Jul 22, 2017
    #3

  4. Drac0nic

    Joined:
    Feb 28, 2005
    The LSA engine is what's in the factory supercharged Camaros and CTS-V cars. Not going to say they're the best rods, but I would expect them to be pretty decent good for the money. They are likely used as a cost reduction measure compared to the 'vette LS9 Titanium rods. I would certainly be curious to see a side by side with a Scat.
     
    Drac0nic, Jul 23, 2017
    #4

  5. 55Chevy

    Joined:
    Nov 9, 2013
    I'll make a video when I get my Scat rods. Check this out:
     
    55Chevy, Jul 28, 2017
    #5
    Barefootrob2019 likes this.

  6. 434chevelle

    Joined:
    Sep 5, 2011
    I’ve got a set of these in an lq4 in my 66 Chevelle. I shift at 74-7500 with the rev limiter set on 8000 and it’s seen the rev limiter a lot on the street. The car weighs 4200 race weight and I haven’t been able to get it to hook yet but it’s ran 9.33 at 155 before it broke a turbo. I checked the rod bearings before I throw another pair of turbos on it and they look great.
     
    434chevelle, Oct 10, 2017
    #6
    55Chevy likes this.

  7. 55Chevy

    Joined:
    Nov 9, 2013
    Are you running the Scat rods or the LSA?
     
    55Chevy, Oct 11, 2017
    #7

  8. 434chevelle

    Joined:
    Sep 5, 2011
    I’m running the scat rods
     
    434chevelle, Oct 12, 2017
    #8
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