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Author Topic: Is there a difference in throttle bodies from 98-02? Travisnd1 2nd Gear Member # 1982 posted                       Can I buy a 98 throttle body and it work on my 02 LS1? Thanks -------------------- Travis 2002 35th Anniversary SS #1757 Click here to see my 35th LE SS! Posts: 316 | From: Chesapeake, VA | Registered: Aug 2003  |  IP: Logged Xsta Z 28 2nd Gear Member # 740 posted                       Yes and no. Physically they will swap, but the "parts" are interchangable. I got a 99 TB and the "cam" that the throttle cable connected to was too small, so I took the cam out of my 2000 and it worked. The electronics are identical as far as I know. -------------------- My Cars: 2000 Bright Rally Red Camaro SS Convertible 2002 Electron Metallic Blue Berger SS T-Top 2004 Silver Birch Metallic Silverado 2500HD Duramax Ext. Cab. S.B. 4x4 Click: For my Web Page or For my Photo Album When fast just isn't fast enough!! Posts: 608 | From: Schaumburg, IL | Registered: Sep 2000  |  IP: Logged Steve da Wrench 3rd Gear Member # 1301 posted                       Repeat above post! The 98 has a different "cam" configuration that opens the throttle at an even rate. The 99 and newer (from the info I have) are all the same. They are designed with a progressive "cam" so the throttle is not quite so responsive/touchy at low throttle. This is for better mileage and emissions controls. They will physically interchange. The programming in the PCM is different though. You can use one on the other, but may end up with slightly higher emissions and lower gas mileage, maybe even a hesitation/bog on light/quick accel. Should not be too big of problem if you have any other mods, and especially if are having your PCM retuned anyway. Hope that helps! -------------------- - Steve Heino The "other" owner of '99 SS #69 McGee's Auto Service, an SLP AutoGroup/Perf. Parts Installer. Posts: 1443 | From: Lake Oswego, Oregon | Registered: Dec 2001  |  IP: Logged

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