jeromio Posted May 23, 2002 Share Posted May 23, 2002 Okay, so, in routing the fuel lines, etc., I've basically removed my diff which is a 4.11. Right now I'm thinking that I may as well go ahead and switch to the 3.54. I can prolly also get some dollars for that 4.11 too (make the wife happy, or at least, less upset ). But will I have regrets? My original plan was to try out the 4.11 and then switch. I know alot of these FBody guys with LS1s swap to 4.10 gear sets as a performance upgrade. But then their cars are quite alot heavier. LoneStar1 runs a 3.36 and he seems pretty happy (although he posted a story ahile back about a Z06 lookalike outrunning him ) I'm torn. Thirdly, I know that hte 4.11 is problem free, whereas the 3.54 is a mystery - never had it on my car (got it offa parts car). Quote Link to comment Share on other sites More sharing options...
pparaska Posted May 23, 2002 Share Posted May 23, 2002 I guess if you were running the T56, I'd say keep the 4.11's and for get about 1st gear But I agree the 3.545 might be a better match for the low first gear that auto trans has and the overdrive. Quote Link to comment Share on other sites More sharing options...
jeromio Posted May 27, 2002 Author Share Posted May 27, 2002 Well crap. I took apart the 3.54 and it's rusty inside. Lacking goodness. So, it's the 4.11 for now. I may as well start looking for deals on tires.... Quote Link to comment Share on other sites More sharing options...
Modern Motorsports Ltd Posted May 27, 2002 Share Posted May 27, 2002 [QB] I took apart the 3.54 and it's rusty inside. Lacking goodness.QB] Don't rule it out due to some inner rust. I opened up a 3.36 that was very rusty IMO inside and washed it out a lot with brake fluid and it was rebuilt with a posi and is living happily in a friends ride. Quote Link to comment Share on other sites More sharing options...
Mike C Posted May 28, 2002 Share Posted May 28, 2002 The gears are EXTREMELY hard and I would be surprised if they were damaged. Bearings are tough as well, but races can rust easily. Like Ross said, take it apart and clean it, that way you can do a closer inpection to see what your troubles are. The 4.09 in the front of my Jimmy looked like they were incased in vaseline the grease was so nasty. The bearings were trashed, but the gears were fine. Actually, the bearings probably would have been OK, but I used my OEM ones. Quote Link to comment Share on other sites More sharing options...
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