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Old 06-11-2007, 07:24 AM   #8701
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How many holes of the body posts should I trim to ensure compatibility with most bodies?
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Old 06-11-2007, 08:10 AM   #8702
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Originally Posted by Skill View Post
To work out FDR it's:

(teeth on spur/teeth on pinion)*internal ratio of car

the internal ratio of the cyclone is 2.4375

call the number of teeth on the pinion x:

therefore we have 4 = (100/x)*2.4375

100/x = 1.64

x = 100/1.64 = 60.9 = 61....seems like you'd want a smaller spur

If you don't want to do the calculation you can go to rcuniverse and use their rollout calculator

http://www.rcuniverse.com/community/gearwizard.cfm
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Old 06-11-2007, 11:30 AM   #8703
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Looks real hard to get near 4. Even with an 88 spur and 44 pinion it's only 4.875.

Quote:
Originally Posted by Skill View Post
To work out FDR it's:

(teeth on spur/teeth on pinion)*internal ratio of car

the internal ratio of the cyclone is 2.4375

call the number of teeth on the pinion x:

therefore we have 4 = (100/x)*2.4375

100/x = 1.64

x = 100/1.64 = 60.9 = 61....seems like you'd want a smaller spur
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Old 06-11-2007, 11:42 AM   #8704
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Yes, I believe some people have been using the 3racing belt pullies which come in 15, 16, 17 (i think) anyway whatever number of teeth they offer I'm sure theres one bigger than the standard which lowers the internal ratio helping you get a bit lower.
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Old 06-11-2007, 01:04 PM   #8705
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haha i figured... anyone have the spring rate chart for those lol.
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Old 06-11-2007, 01:13 PM   #8706
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Quote:
Originally Posted by Yub, yub, cmdr! View Post
How many holes of the body posts should I trim to ensure compatibility with most bodies?
If you are like me and your roof a bit too much, then you dont want to trim the front posts too short as they will get ground down. I tend to cut mine off so that there are at least two mounting hole above the current one.

You will probably find the mounting of the rear posts will vary a lot more, i had one case where the rear posts were slightly up the rear window.
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Old 06-11-2007, 04:09 PM   #8707
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thanks 2-bad
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Old 06-11-2007, 05:27 PM   #8708
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Yeah i only use the HD Steel Uni's in the front of the car, for that reason. Also try and get a p-dub bumper for the front that will help prevent the unis from getting bent. If you get a p-dub bumper though make sure the wheels dont rub on the bumper as they are a little wider (you may have to trim a bit back).




where would i get the hd steel uni's from,also the bumper.

thanks
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Old 06-11-2007, 06:07 PM   #8709
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Anyone have the part numbers for the pivot block spacers?
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Old 06-11-2007, 06:12 PM   #8710
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Little help?
If it helps you any, I am running a 96/40 using rubber tires and a 13.5.
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Old 06-11-2007, 06:23 PM   #8711
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Anyone have the part numbers for the pivot block spacers?
HPI part # 75144
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Old 06-11-2007, 06:31 PM   #8712
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For the rear front and front rear, you can use washers. Take Off offers them I know from o.5mm to 3mm.
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Old 06-11-2007, 06:32 PM   #8713
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hey my hara ed. has 3 places for the e-clips on the shock shaft so you can either have the piston in a lower our higher position. whats the difference. the stock manual doesnt have any information.

i also have a bunch of pro4 pistons. in a andy moore setup i have he says he has 3 holes is that the small 3 hole piston that is in the pro4 complete set? i would think the #1 with the two big holes would be better. (trying to go off a xray setup for our local track and they have all 4 holes open on their piston so trying to get as close to that with our pistons.)
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Old 06-11-2007, 06:32 PM   #8714
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Originally Posted by porschejim911 View Post
Looks real hard to get near 4. Even with an 88 spur and 44 pinion it's only 4.875.
try to find a 83 spur , thats what i use in my cyclone to get into the high 3's
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Old 06-11-2007, 06:35 PM   #8715
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What kind do you use? I usually get PRS but the smallest I have seen is 88.

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try to find a 83 spur , thats what i use in my cyclone to get into the high 3's
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