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justcallmefrank
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icon5.gif  3.9 vs 4.1 vs 4.3 diffs Mon, 17 March 2003 23:46 Go to previous message
I may have access to any one of these diffs in the near future, I'm having trouble trying to decide what I want to do.
I've got a 1981 Toyota Celica XX 2000G. It came with a 3.9 open T-series diff. I'm putting a 1GGTE and W58 into it soon.

The first I may have access to is a 3.9 LSD F-series from an Aus-Spec Mk2. This wouldn't require any speedo modification.

I may have access to a 4.1 LSD F-series from an auto Aus-Spec Mk2 which I originally thought would be a better match to the 1GGTE being such a revvy engine.

Just recently I have found out I may have access to a 4.3 LSD F-series from a Celica XX 2000GT that had a 1GGEU. Now the person who told me about it believe this would be a good match and considering the cars are similar characteristic wise he may be right.

I drive a fair bit each week, but generally when I've reached a steady speed and there aren't any hills I put it into 5th.
The W58 does have the taller 5th gear, so would I expect any worse on cruise than the Celica currently gives?
Will my fuel economy suffer badly?
Will it make much improvement to acceleration?

I want an LSD, so which one would be better suited? Fire away peoples...

Thanks,
Nathan
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SubjectPosterDate
Read Message   3.9 vs 4.1 vs 4.3 diffs  justcallmefrankMon, 17 March 2003 23:46
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankTue, 18 March 2003 01:02
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs ed_ma61Tue, 18 March 2003 01:08
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankTue, 18 March 2003 01:13
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankTue, 18 March 2003 01:20
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs IRA11YThu, 20 March 2003 06:20
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs BugmanThu, 20 March 2003 06:40
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs rob_RA40Thu, 20 March 2003 08:03
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs BlackSupraThu, 20 March 2003 11:22
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankThu, 20 March 2003 11:40
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankThu, 20 March 2003 11:41
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs BlackSupraThu, 20 March 2003 11:54
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankThu, 20 March 2003 13:44
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs rob_RA40Thu, 20 March 2003 21:01
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs SamThu, 20 March 2003 23:10
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs justcallmefrankFri, 21 March 2003 01:02
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs rob_RA40Fri, 21 March 2003 01:54
Read Message   Re: 3.9 vs 4.1 vs 4.3 diffs IRA11YSat, 22 March 2003 10:33
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