[Tommy R]

Hey you all,

I'm looking for information on 4th Gen F-bodies. Specifically, I'm interested in the diff options, gearing differences (rear end and tranny), 1LE vs. base model specs, and any other differences from model year to model year.

For example, I know the '93s are speed density, not mass air. Are there any differences there from a performance or maintenance standpoint? The '93s also had a slightly different T-56 tranny, as I understand it. Were '93 and '94 models not available with 3.42 rear gears? Would a 150 mph speedo indicate that the car has 3.42's? No governor? I remember my old roommate's '94 T/A didn't have the "GT" package and as a result had the 115mph speedo, governor, and maybe even 3.23 gears (instead of 3.42s).

I know in '96 they went OBD-II with dual cats. They're also rated at an insignificant 10 hp more than the '93-'95 models. Of course, in '98 the LS1 came out with much more power. However, the LT1s are obviously still very compeitive in F-Stock, despite the power deficit, iron block, and smaller front brakes. Any particular reason for this? Or are the right people just not running LS1's? (IMG:http://www.frrax.com/rrforum/style_emoticons/default/unsure.gif)

So, needless to say, I'm intersted in LT1 vs. LS1 differences, too. But, I'll likely stay with the cheaper candidate, i.e. the LT1.

I should point out that I'd mainly be interested in F-Stock, so update/backdate concerns are of less importance. I'm not sure if/when I'd move to ESP.

Thanks in advance,
Tommy

[pknowles]

I got a Camaro because I believe the Camaro's are lighter. Firebirds have things like flip up headlights and power anntenia's which do add weight. AC became standard in 98, so any car after that will have AC and you can look around on the web for how much stuff weighs. I've heard that power windows actaully weigh less then hand crank windows (never weighed either). Take into account that I've only seen a handfull of hand crank windows on Z28's and your probably going to get a car with power windows. T-tops don't really make a weight difference (assuming you run with them out), the roof structure is the same on t-top and non t-top cars; a thin sheet metal roof is tack welded over the t-top supports on non t-top cars, so don't think you are getting a stronger roof structure in a non t-top car. Honestly the big weight options are AC, CD changers, and power seats. Most other options are small. FWIW, the 500W Monsoon sound system in my car weighs almost nothing. When I took out the spare, one of the amps is right there so I took it out to see how much it weighed. To my suprize I have NEVER heald an amp that was so light and I mean significantly lighter then any other amps I have ever had.