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Old 12-21-2008, 12:32 PM   #586
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I want to gear an IFS-R to about 3.6 FDR for 17.5 racing. What spur/pinion combo has anyone used to do this? 74/42 (both of which I have) will give me 3.62, but will the range of adjustment allow it?
I'm running a 17.5 at 87/50 and it temps out at under 120. This combo fits fine and I think I even have a little room left.
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Old 12-21-2008, 03:52 PM   #587
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I'm running a 17.5 at 87/50 and it temps out at under 120. This combo fits fine and I think I even have a little room left.
Great info -- thanks. I assume that worked within the standard motor mount's range of adjustability.
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Old 12-21-2008, 07:03 PM   #588
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I'm running a 17.5 at 87/50 and it temps out at under 120. This combo fits fine and I think I even have a little room left.

are you using any fan?
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Old 12-22-2008, 12:49 PM   #589
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Great info -- thanks. I assume that worked within the standard motor mount's range of adjustability.
Yes, standard motor mount

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are you using any fan?
No, not with my 17.5. I run a Speed Passion GT LPF V1.1 and the ESC is barely warm after 5 minutes. The motor gets to about 120, and I don't run a fan on it either, though I've thought of trying one on the motor. I run on outdoor tracks and with the temps here being 50-60 lately, it just doesn't seem necessary yet. Maybe this summer ?
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Old 12-22-2008, 12:53 PM   #590
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A quick side note, I ran with a friend this weekend (who also has an IFS-R) who was running 87/47 and down the long straight we seemed about even. I'm really not sure why, but thought it may be helpful. I may have had a "little" more top end, but not 3 teeth's worth ....
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Old 12-22-2008, 08:16 PM   #591
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has any of you guys tried adjusting TB's for shock's in front? if so what length? I just followed what's in the manual.
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Old 12-23-2008, 02:58 AM   #592
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it's the same as adjusting the collar in your shocks. i only fiddle with it if my dampers collars aren't enough for setting the ride height that i need.
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Old 01-04-2009, 04:42 PM   #593
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Finishing up my IFS-R with a Futaba S9551 steering servo...

Did everyone have to cut the tub as described in the manual to clear the servo saver? I will have to and I think that sucks. Is there a servo that avoids this?
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Old 01-04-2009, 05:09 PM   #594
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Quote:
Originally Posted by reenmachine View Post
Great info -- thanks. I assume that worked within the standard motor mount's range of adjustability.
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Originally Posted by inconceivable View Post
I'm running a 17.5 at 87/50 and it temps out at under 120. This combo fits fine and I think I even have a little room left.
I need to purchase a spur for my TA05 IFS to allow a range of Final Drive Ratios from 3.6 all the way to 4.2 FDR.

Would using an 87 tooth spur allow pinions from 50 to 42 work ? Thanks , I am new to the chassis.
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Old 01-04-2009, 05:22 PM   #595
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Quote:
Originally Posted by reenmachine View Post
Finishing up my IFS-R with a Futaba S9551 steering servo...

Did everyone have to cut the tub as described in the manual to clear the servo saver? I will have to and I think that sucks. Is there a servo that avoids this?
hmmmmm i have this kit also but i did not cut the tub but what i cut is one of the ears of the servo btw i'm using the 9550 servo
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Old 01-04-2009, 05:25 PM   #596
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hmmmmm i have this kit also but i did not cut the tub but what i cut is one of the ears of the servo btw i'm using the 9550 servo
Yes, you have to cut one of the inboard ears no matter what servo you use. It also says that you may have to cut the tub adjacent to the servo saver to allow full range of motion. On mine, if I don't cut it I won't be able to turn left very far...
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Old 01-04-2009, 05:45 PM   #597
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Quote:
Originally Posted by reenmachine View Post
Yes, you have to cut one of the inboard ears no matter what servo you use. It also says that you may have to cut the tub adjacent to the servo saver to allow full range of motion. On mine, if I don't cut it I won't be able to turn left very far...
oh ok, i have not yet run mine just tested it on a car stand when i've put the electronics i might have overlooked that instruction regarding the servo saver
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Old 01-04-2009, 07:48 PM   #598
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will the rear carbon dAMper stay for the regular 05 fit the 05 ifs r, if so what's the difference?
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Old 01-04-2009, 09:56 PM   #599
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will the rear carbon dAMper stay for the regular 05 fit the 05 ifs r, if so what's the difference?
it will fit, in so far as i know there is no difference at all regarding the rear carbon damper stay
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Old 01-05-2009, 06:28 AM   #600
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Quote:
Originally Posted by reenmachine View Post
Finishing up my IFS-R with a Futaba S9551 steering servo...

Did everyone have to cut the tub as described in the manual to clear the servo saver? I will have to and I think that sucks. Is there a servo that avoids this?
I have that servo...I just grinded the servo saver down a bit more for clearance.
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