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04-14-2007, 03:54 PM #1
1998...whats up with this year???
I have read through the forums on here and found out a couple of differences. My buddy said that the headbolts were weak on the 98 and 99's but i'm kinda skeptical. Another thing is the pcm, is the 98's pcm not tuned as accurately as the other years or just different programming. And lastly, whats up with the blue tinted mirrors???
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04-15-2007, 12:52 PM #2
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04-15-2007, 12:56 PM #3
- Join Date
- Mar 2006
- Location
- LS1 land
- Age
- 36
- Posts
- 1,666
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04-16-2007, 06:23 AM #4
- Join Date
- Aug 2005
- Location
- West Cheter, PA
- Posts
- 2,851
'98 Black Gone :(- 01 WS6 Midnight Blue
ive heard of the head bolts being weak on the 98s too, i was warned of that when i was picking out which headers to go with.
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04-16-2007, 06:33 AM #5
- Join Date
- Oct 2006
- Location
- St. Clair Shores. Michigan
- Age
- 55
- Posts
- 1,602
Navy Blue Metallic- `98 Formula M6 HdTp
It's Not the Head bolts it's the Rod bolts guys. This comes into play when large cams that extend the rpm range are used but if you keep it under 6500 rpm you should be OK.
Craig
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
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04-16-2007, 06:47 AM #6
98's had the largest injectors too.
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04-16-2007, 07:33 AM #7
- Join Date
- Nov 2006
- Location
- ind.
- Posts
- 9
red- 1998 pont firebird
what tuner unit can you use to take out egr and air inj systems. So you have no check e. light, I have a 1998 firebird too!! Have a good one!!
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04-16-2007, 07:33 AM #8
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04-16-2007, 01:47 PM #9
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
Some of the sensors are different too, ECT and oil pressure are a couple. And the temperature guage actually works.
Edit: Thinking '98 was the last year for the Auburn diff, Torsens started in '99.Last edited by 2001NBMZ28; 04-16-2007 at 01:55 PM.
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04-16-2007, 02:15 PM #10
My 98 had the auburn diff. IMO I loved the blue tinted mirrors. Driving at night people's headlights don't blind you from the reflection. +1 for the temp gauge actually working. First mod I do for my new truck will be the aeroforce gauge so I can see coolant and trans temp.
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