02-15-2016, 08:38 AM | #421 | |
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Think about this FD mod for a moment. Here is a mod that is relatively inexpensive, virtually impossible to detect, requires no adjustment to your ECU, not even to your speedometer. It doesn't mess with emissions tests as its not a tune or exhaust related mod ie you still have both cats. Depending on the ratio you select you improve acceleration by .5 to a full second. It almost seems too good to be true right? I can understand people looking under every rock to find a catch. The one and only catch (do your research) is I recall there being a need to also replace your LSD as it becomes no-longer compatible if you go much higher in ratio's than 4.5/4.6 or so. Some of the others who have, can chime in on this one. That said, with the 4.556 Cusco I went with, I had no such issues. Must admit I'm enjoying the mild sleeper feel to the car now. Stock wheels / suspension probably helps that image along. Talking to your other point. the ECU appears to still shift at the same points, but as each gear is faster it feels like it shifts earlier than prior. Hope that made sense.
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02-15-2016, 11:16 AM | #422 | |
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02-17-2016, 01:31 AM | #423 | |
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Well that's good to hear!
I agree this mod is so attractive but have never done FD before so just want to minimise future surprises. Im almost ready to order the 4.88 either Revolution JDM or Weir from US. Thanks! Quote:
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03-06-2016, 02:25 AM | #424 |
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pinion seal question on 4.30 rear
In post #65 of this thread back on Jan 30 of 2013, member 03Z33 has a great list of rears that includes a Toyota OEM 41201-29606 4.30 rear originally for a Supra. There is a comment saying the included pinion seal will not fit. What do I use for a seal? Will this r&p work with the Torsen diff in the twins? I was not able to get my computer to quote the mentioned post. Thanx!
Last edited by jcw99; 03-06-2016 at 02:32 AM. Reason: left a word out |
03-06-2016, 10:18 AM | #425 | |
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1) spends less time in the sub-optimal power band when accelerating from a start and 2) at any point in time will either be even or have a lead assuming all other factors are equal, even if at some points the higher FD car is gaining. If you're seeing 2 second advantages, it's probably over a span optimized for the lower FD car, i.e. lower FD car is at or near redline right before it has to upshift. |
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03-06-2016, 12:21 PM | #426 | |
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06-01-2016, 09:21 PM | #427 |
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Is it a bad idea (waste of money) to change FD (4.556 or 4.88) on an AT if I plan to go FI?
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06-01-2016, 09:35 PM | #428 | |
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06-02-2016, 01:08 AM | #429 | |
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06-02-2016, 02:10 PM | #430 |
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what turbo (horsepower) do you have and what fd?
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06-02-2016, 04:56 PM | #431 |
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late sub'd
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06-05-2016, 11:14 AM | #433 |
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I have a Cusco 4.5 installed in a spare stock differential. I may be looking to sell it this summer. Does anyone have any idea what it's worth? I'd sell the entire thing as a unit.
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06-05-2016, 03:17 PM | #434 |
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Look at the price that Spencer Fab. charges, then add in a core charge and work from there?
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cusco final drive |
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