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- Performance, Brainstorming & Tuning (https://www.gmforum.com/performance-brainstorming-tuning-96/)

- - Difference in 97/98 or 99+ TB (https://www.gmforum.com/performance-brainstorming-tuning-96/difference-97-98-99-tb-286621/)

Nighthwk12

12-20-2009 11:41 AM

Difference in 97/98 or 99+ TB

whats the difference between the 99+ and 97/98 Throttle bodies?

Danthurs

12-20-2009 11:47 AM

The 97-98 has a MAF post in the inlet, the 99+ does not.

Nighthwk12

12-20-2009 11:49 AM

so 99 is better

Danthurs

12-20-2009 11:52 AM

For flow, ya.

Nighthwk12

12-20-2009 11:54 AM

last dumb question. will my sensors plug into my 36 wire harness

Danthurs

12-20-2009 11:55 AM

That I'm not sure. Guess if you want I'll find a picture of my plug and you can compare them.

Danthurs

12-20-2009 11:57 AM

Nighthwk12

12-20-2009 12:04 PM

neat thanks I got three sensors what I think is MAF, IAC, and Throttle Position Sensor. and I have 2 vacuum ports. What do you got on the 99 L67 TB

Nighthwk12

12-20-2009 12:05 PM

neat that's what I got

Nighthwk12

12-20-2009 12:11 PM

sorry I should really get all my thoughts together first ha thanks for your help dan L67 99+ has one or two Vacumme ports?

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