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383 Setups and Numbers????

This is a discussion on 383 Setups and Numbers???? within the General Help forums, part of the LSx Technical Help Section category; I just built a 383 and am still breaking it in...150 miles so far. I know it's a little late ...

  1. #1
    Junior Member greenvilleTA's Avatar
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    383 Setups and Numbers????

    I just built a 383 and am still breaking it in...150 miles so far. I know it's a little late to be considering a different cam, but I was told the cam I put in it was a little small and I wouldn't really reap the benefits of the motor. Who out there has a 383, what #s are you putting down, and what mods do you have to make that HP? LG said they'd like me to get 1K on the motor before tuning, so I have no idea what I'll put down...I'm hoping at for 425 rwhp or better. Sig is below...

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    Member danziger's Avatar
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    I have a mild 383.
    Here are the internals:
    TEA 5.3 1.5 heads with 2.05 intake 1.60 exhaust
    Forged Dimond pistons approximate compression 11.2 to 1 with current heads
    Forged Eagle Rods 6.125 inch
    Forged Eagle Crank
    Rotating assembly balanced by Evans Automotive
    Comp Cams XER 612/244/112 +4
    Rollmaster Timing chain
    TSP oil pump
    Externals:
    Hooker headers
    BorlaMouth
    LS6 intake
    ASP pulley

    She put down 456/450 with nice flat curves... I think a FAST intake and better exhaust could get me in the 475/460 range, which is pretty good for what I've spent.

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    Junior Member greenvilleTA's Avatar
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    Any others??? I have about 650 on the odometer now and plan on having it tuned this weekend...

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    Member danziger's Avatar
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    Le Mans Blue
    2004 Z16

    Heh. You are never going to hook on the street with those 4.10s... Let me know what she puts down. Ben

  5. #5
    Junior Member greenvilleTA's Avatar
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    Tell me about it...I'm getting sideways at 60-65 and dropping to 3rd. I'm running Cooper 245/50/16 now, but I was wondering if the BF Drag radials would do OK
    Oh, and I found out I'll have to wait till next weekend for the tune since the shop's tuner is only there every other Saturday.
    Last edited by greenvilleTA; 03-01-2007 at 02:57 PM. Reason: Update

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    Member danziger's Avatar
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    I think you better have money set aside for a 12-bolt if you put DRs on her. Lack of traction is your friend because the first time you dead-hook, you'll probaly turn the 10-bolt into confetti...

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