series one VS series two? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 04-17-2007, 11:50 PM   #11
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Go Series 2 with full OBDII (i.e., 97+, preferably 98+). Aftermarket for parts is huge (as has been mentioned), and you can tune it with a tuner (if you decide to go that far).

Plus, by 98+ GM had gotten rid of the ugly, old-fashioned, flat black side body moldings on Buicks.
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Old 04-18-2007, 10:22 AM   #12
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Just found this thread and I believe I am qualified to answer :P

Plain and simple what are you looking for

S1 L67 in a Riviera is better to get the car moving because of the lower torque peak but it runs out of breath at about 85 MPH (stop light racer)

S2 L67 in a Riviera is more midrange power with a higher RPM torque peak. But it still has breath until triple digit speeds. (1/4 runner)

question at the end is how much are you going to mod it.

One point I want to make is the Riviera is the slowest of the L67 cars due to its weight. Keep that in mind while you are shopping.
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