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difference b/w 98 and 99-00 fbody's

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Old 07-17-2007, 08:54 PM
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Default difference b/w 98 and 99-00 fbody's

I know this question has been asked before but I can't seem to find it. I currently have a 99 Trans Am automatic and I am looking at getting a certain car that is a 98 Trans Am M6. what is it that were the big differences in the 98's than later 4th gen fbody's? I know there were a few things that were different about the motor but can't seem to remember.

thanks and sorry for having this question asked again just couldn't find what I was looking for with the search.
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Old 07-17-2007, 09:02 PM
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Old 07-17-2007, 09:03 PM
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lt1 vs ls1 J/k

https://ls1tech.com/forums/showpost....80&postcount=2
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Old 07-17-2007, 09:06 PM
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damn. didn't see that sorry for the wasted thread.
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Old 07-17-2007, 09:14 PM
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actually out of those differences is there anything that is a PITA. I think I remember a few things about the 98 with the pcm being harder to tune or something. anyone with any insight or experience know?

and what is the big difference in the coils being mounted to the valve covers one at a time rather than all at once?

"2. Ignition coils were mounted to the valve covers one at a time."

thanx
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Old 07-18-2007, 11:51 AM
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I don't think it's harder to tune, I just don't think you can use the same tuners as the 99+
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Old 07-18-2007, 12:01 PM
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FAQ sticky.

The End.
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