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Click to enlargepadEarly Mods: Intake, Exhaust, S-AFC

After learning how the car performs bone stock, we set about adding a few "improvements." The first modifications were a Buschur Racing 3" exhaust and Buschur Racing intake. See the first few dyno charts below.

On 6/11/03, we installed a S-AFC and picked up a ton of power -- 30 hp to the wheels! We noticed some odd behavior where the stock boost controller would reduce boost momentarily around 4500 rpms. A Hallman mechanical boost controller fixed that, and added a few more horsepower.



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Click to enlargeDyno plot: Stock and with intake/exhaustpad
Stock hp 221.3, torque 240.9
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Click to enlargeDyno plot: Installed Buschur Racing intakepad
Max hp 229.3, max torque 239.0
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Click to enlargeDyno plot: Added Buschur Racing turbo-back exhaustpad
Max hp 240.5, max torque 256.4
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Click to enlargeDyno plot; Added S-AFCpad
Maximum hp 271.6, maximum torque 253.3. Note dip in torque at 4500 caused by factory boost control solenoid.
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Click to enlargeDyno plot: Added boost controller 6/11/03padWe ran the boost at about 19 psi, tapering to 18 or so at redline. Max hp 275.6, max torque 251.4.
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