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  • 98 3.8 A4 to LT1 A4 swap questions:

    I know this has been covered many times, but I am looking for a few definate answers to some questions.
    Radiator, our stock radiator won't work with the V8 because of what? Hose placement? Or just fluid capacity for cooling?

    LT1 crossmember, will that bolt right up to the 98 body, custom motor mounts needed?

    Anything else I need to know off the top of my head?
    AIM: escalier deverre<br />\'02 Pearl Blue Metallic RSX-S (daily driver)<br />\'98 Black Firebird<br />98 V6 turbocharged to 02 LS1 swap<br />\'02 LS1/4L60E<br />LS6 Block, LS6 Intake Manifold, Thunder Racing 215/220 .600/.523/115 Cam, Titanium Retainers, Crane Double Valve Springs, 125 shot NX Wet Kit w/ NOS brand Purge, True Dual \"H\" Pipe w/ two chambers and dumps, 17x11(rear) and 17x9.5(front) Black Powdercoated ZR1 Replicas on 315 and 275 BFGoodrich Comp T/A\'s (Street)/ET Drags/Skinnies on Weldlites(Track), 3.42/LSD

  • #2
    Awww man ... stick with the turbo!

    (or sell it to me. [img]smile.gif[/img] )
    -Rob
    <b>97 Camaro 3.8L M5</b><br />Car for sale<a href=\"http://terpmotors.com\" target=\"_blank\">terpmotors.com</a> Terrapin Motorsports! UMCP

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    • #3
      The V6 is dead. I think I spun a bearing. Depending on how bad the carnage is I will either rebuild it or just swap out the motor, and start the LTT1 project :eek:
      AIM: escalier deverre<br />\'02 Pearl Blue Metallic RSX-S (daily driver)<br />\'98 Black Firebird<br />98 V6 turbocharged to 02 LS1 swap<br />\'02 LS1/4L60E<br />LS6 Block, LS6 Intake Manifold, Thunder Racing 215/220 .600/.523/115 Cam, Titanium Retainers, Crane Double Valve Springs, 125 shot NX Wet Kit w/ NOS brand Purge, True Dual \"H\" Pipe w/ two chambers and dumps, 17x11(rear) and 17x9.5(front) Black Powdercoated ZR1 Replicas on 315 and 275 BFGoodrich Comp T/A\'s (Street)/ET Drags/Skinnies on Weldlites(Track), 3.42/LSD

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      • #4
        LT1s are reverse cooled, heads, then block so the outlets on the radiator are in different spots. LT1 k-member will bolt in just fine.

        Complete LT1 engine and transmission assembly, motor mounts, k-member, Cross memeber, radiator, LT1 fuel pump assembly, Heater hoses, rubber fuel lines, coolant hoses, A/C condenser, accumulator and evaporator, Underhood relay harness, dash harness, engine harness, PCM, Guage Cluster, front and rear suspension, intake, all brackets and belt driven accessories, and Exhaust up to the catalytic converter is what I got for my LT1 swap.

        Honestly, its the best mod I ever did.

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        • #5
          Ska could you possibly IM me at escalier deverre? Thanks.
          AIM: escalier deverre<br />\'02 Pearl Blue Metallic RSX-S (daily driver)<br />\'98 Black Firebird<br />98 V6 turbocharged to 02 LS1 swap<br />\'02 LS1/4L60E<br />LS6 Block, LS6 Intake Manifold, Thunder Racing 215/220 .600/.523/115 Cam, Titanium Retainers, Crane Double Valve Springs, 125 shot NX Wet Kit w/ NOS brand Purge, True Dual \"H\" Pipe w/ two chambers and dumps, 17x11(rear) and 17x9.5(front) Black Powdercoated ZR1 Replicas on 315 and 275 BFGoodrich Comp T/A\'s (Street)/ET Drags/Skinnies on Weldlites(Track), 3.42/LSD

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          • #6
            I also did a LT1 swap in my '98. I had to buy new gauge and pin set, pa racing tubular k member, lt1 radiator, I had to custom the end fittings on my ac lines, engine, trans, pcm, all acc., Longtube headers, y pipe, all exhaust from the catback will work fine, suspension was also ok, I still havent decided what to do with the air intake system. Right now i have it hooked up to a SLP LS1 lid system, i wonder if the LT1 CAI's would work though?

            If you do a LT1 swap in a '98 make certain you get a OBD2 Pcm and harness. And that the block is '96 or '97, theres alot of differences in older years.

            If you have more specific questions you can email me.

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            • #7
              Yeah but your kmember was messed up, correct? You're aftermarket one was like 500 bucks and I'm sure that drove up your total cost considerablely. I'd think a stock LT1 tranny would bolt right up no problems.
              AIM: escalier deverre<br />\'02 Pearl Blue Metallic RSX-S (daily driver)<br />\'98 Black Firebird<br />98 V6 turbocharged to 02 LS1 swap<br />\'02 LS1/4L60E<br />LS6 Block, LS6 Intake Manifold, Thunder Racing 215/220 .600/.523/115 Cam, Titanium Retainers, Crane Double Valve Springs, 125 shot NX Wet Kit w/ NOS brand Purge, True Dual \"H\" Pipe w/ two chambers and dumps, 17x11(rear) and 17x9.5(front) Black Powdercoated ZR1 Replicas on 315 and 275 BFGoodrich Comp T/A\'s (Street)/ET Drags/Skinnies on Weldlites(Track), 3.42/LSD

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              • #8
                You won't be able to use your V6 transmission as-is. The V6s and V8s use a different input shaft (why in the hell those idiots at GM did that, I'll never understand). You could either pick up a V8 trans, or, if you'd want to rebuild your transmission, you could change the input shaft and drum during the rebuild.
                Wife and a dog, they both think they\'re Kujo.<br /> <br />1999 3.8 A4 Y87<br />Navy Blue Metallic<br />BFG G-Force KDWS 275/40/17s, <br />WS6 Wheels (17x9)<br />Phoenix Transmissions 2400 Stall Converter<br />FRA, Holley Powershot filter, Whisper Lid, Ported Throttlebody<br />2000 manifolds, Flowmaster, WS6 Tail Pipes, <br />MSD 8.5mm Wires, MSD Coils, Autolite plugs<br />Performance Cryogenics treated rotors<br />1LE Sway Bars and panhard rod, 1LE front springs w/SLP Bilsteins, stock rear springs w/ 3rd Gen Bilsteins, BMR STB, KBDD SFCs, 1LE rear lower control arms, 1LE front lower control arms<p>1968 Chevelle Malibu 327 TH350

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