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newbie here, with tuning questions

This is a discussion on newbie here, with tuning questions within the Computer & Tuning forums, part of the LSx Technical Help Section category; Hey guys. Just found this site and it seems to have a wealth of information on it. Anyway, to get ...

  1. #1
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    newbie here, with tuning questions

    Hey guys. Just found this site and it seems to have a wealth of information on it.

    Anyway, to get to the point, I don't own an F body. My buddy does though, and he knows practically nothing about cars so I am his "go to" guy when it comes to questions. Anyway, he just blew his engine in his '98 Z28, and found a reputable engine builder to rebuild it. He wanted something a little faster than stock, so I suggested he go with some of the mods listed in the "LS1 cookbook" article that appeared in Hot Rod a few months ago. We've decided to go with the Comp Cam xr289, Comp Cams' 1.85:1 roller rocker kit, Comp Cams' beehive valvesprings, long tube headers, and a .030 overbore.

    It's obvious he's going to need a custom tune with these mods. I'm not familiar with any of the methods used to tune a car (I'm a motorcycle guy). Here's my question: Does he need to buy a tuner, or can he take it to a shop with a dyno and have them re-program his stock ECU for his mods? He is in Jacksonville, FL. If anyone knows of a good shop in North Florida that can tune an LS1, please let me know.

  2. #2
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
    1998 camaro ss vert

    take it to a shop, to much money will be invested. you want it to run right the first go around. thanks jeremy

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    first thing i see is the .030" over bore. not going to happen. the most you'll get is .010". easiest thing would be to take it to a local shop and have it tuned by someone with experience.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge

  4. #4
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    Why can you not do a .030" overbore?? Maybe the guy building the engine for him is going to use a 6.0L block? Is the 6.0L a .030" over 5.7?

  5. #5
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    because, the press in liners are not thick enough to support a .030" overbore in a LS1 motor.

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