Help [me choose performance mods]
#20
IMHO, rather than spending the money for straight-line performance gains (which would be minimal), I would take advantage of the lighter curb weight and look into handling mods instead.
An IS250 equipped with the F-Sport suspension accessories package (shocks/springs/sway bars/chassis brace) will handle nearly identical to the 2011 IS-F (which itself was an improvement over the 2008 IS-F via a revised suspension and Torsen LSD). Below, you can see an Edmunds video review of a 2008 IS250 equipped with the F-Sport Accessories package and its slalom and skidpad results are near identical to the 2011 IS-F which was also tested by Edmunds:
2008 Lexus IS 250 F-Sport | Track Tested | Edmunds.com - YouTube
2011 IS-F Review and Stats- http://www.edmunds.com/car-reviews/t...exus-is-f.html
IS250 w/ F-Sport Accessories Package-
Skidpad = 0.89
Slalom = 71.0 mph
2011 IS-F w/ Revised Suspension and LSD-
Skidpad = 0.90
Slalom = 69.7 mph
An IS250 equipped with the F-Sport suspension accessories package (shocks/springs/sway bars/chassis brace) will handle nearly identical to the 2011 IS-F (which itself was an improvement over the 2008 IS-F via a revised suspension and Torsen LSD). Below, you can see an Edmunds video review of a 2008 IS250 equipped with the F-Sport Accessories package and its slalom and skidpad results are near identical to the 2011 IS-F which was also tested by Edmunds:
2008 Lexus IS 250 F-Sport | Track Tested | Edmunds.com - YouTube
2011 IS-F Review and Stats- http://www.edmunds.com/car-reviews/t...exus-is-f.html
IS250 w/ F-Sport Accessories Package-
Skidpad = 0.89
Slalom = 71.0 mph
2011 IS-F w/ Revised Suspension and LSD-
Skidpad = 0.90
Slalom = 69.7 mph
#21
Maybe read my comment better next time bud. I agreed with what Redspencer said.
#22
The figures I provided from Edmunds was an attempt to use the data from the same source but the results can vary due to weather conditions, temperatures, time of the year, etc. I have seen the 11+ IS-F pull better numbers from other publications but then it becomes an apples-to-oranges comparison, IMO.
There are other subjective factors not included in the handling comparison which is steering feel and feedback (which the IS-F has and the IS250 lacks). A proper remedy to alleviate this issue is upgrading the Steering ECU to the one from the IS-F (preferably from the 11-12 or 13-14 IS-F Steering ECU).
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Lilflip#2
IS - 2nd Gen (2006-2013)
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12-11-06 03:37 PM