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Type: Posts; User: Danoby

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    4L80E 4 to 2 Downshift

    I have an '01 Silverado 2500HD with the 6.0 Vortec and 4L80E. I recently got HP Tuners and started playing with the tuning. I can't seem to get rid of this issue: If I'm going 40 or so and already...
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    Man, I am like inept with the electronic tuning...

    Man, I am like inept with the electronic tuning lol. I am going to start with the 65 pph injectors. I found a few vendors selling "9C1" "high flow" injectors... My only inhibition is by looking at...
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    Tuning 350 TBI 8746 ECM

    I figured it could be helpful to create a new thread in the GM Tuning section instead of the Introduction section. The car at hand is described in my signature. Basically it is a lightly modified...
  4. Thread: Introduction

    by Danoby
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    I got to the ECM today. It is indeed the '8746.'...

    I got to the ECM today. It is indeed the '8746.' I see the following on the ECM: "SERV. NO. 1228746" under that "86ATCR K193480464" and under that "16143661." I can post up a pic of the label if...
  5. Thread: Introduction

    by Danoby
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    I scored a 395 cam on ebay for a hundred bucks. ...

    I scored a 395 cam on ebay for a hundred bucks. It's a brand new marine engine take out. The engine needed to be converted to reverse rotation prior to install. My plan is to put this cam in along...
  6. Thread: Introduction

    by Danoby
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    18,202

    I was just out tinkering with the car. I saw the...

    I was just out tinkering with the car. I saw the coolant was a little low, looked around, and found the radiator is leaking a little bit. I guess I will start acquiring all the parts I am going to...
  7. Thread: Introduction

    by Danoby
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    Okay, you have me convinced I need at least an...

    Okay, you have me convinced I need at least an LT1 cam or better yet the 395 cam. But, maybe I need to look into the tuning stuff first. I already have an adjustable regulator set to about 12 psi...
  8. Thread: Introduction

    by Danoby
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    Hmm. Do you think some of the added power came...

    Hmm. Do you think some of the added power came from the shorties and 1.6 rockers? I mean you went from 191/196 .418/.430 111 LSA to 196/206 .431/.451 109 LSA which is not that big of a difference,...
  9. Thread: Introduction

    by Danoby
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    Well, okay you have me convinced I have the...

    Well, okay you have me convinced I have the infamous "peanut" cam. And since that appears to be the case, my prior idea of installing 1.6 rockers to make the cam act a little bigger is completely...
  10. Thread: Introduction

    by Danoby
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    I really appreciate your input. I don't want to...

    I really appreciate your input. I don't want to be rude, but how do you know what cam came in my engine? I have searched endlessly and cannot find any information to verify what cam came in my...
  11. Thread: Introduction

    by Danoby
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    18,202

    I have read that I can expect a minimum of a 30...

    I have read that I can expect a minimum of a 30 HP gain switching to vortecs. My current heads need valve seals pretty bad. It smokes on start up. And when it's fully warmed up - and I mean after...
  12. Thread: Introduction

    by Danoby
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    18,202

    Introduction

    Hello everyone. I have been doing extensive research on swapping vortec heads onto the TBI 350 in my Caddy (in signature). While doing research, I was led to this site. My biggest hesitations with...
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