- January 23, 2026, 12:34:45 AM
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Venturi inside diameters
Started by Robert Zambelli |
15 Replies
59016 Views |
October 11, 2025, 08:45:26 AMby Colin McRae |
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List "YOUR" set up for the OS .46LA
Started by Bill Little « 1 2 3 » |
105 Replies
143979 Views |
January 06, 2024, 01:30:13 AM by Kafin Noe’man |
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Fuel , GLO-plug and running tips
Started by RandySmith « 1 2 All » |
57 Replies
134153 Views |
December 22, 2022, 05:39:09 PM by Colin McRae |
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PIPE Chart List Setup
Started by Ted Fancher |
12 Replies
63157 Views |
September 05, 2022, 02:40:26 PM by George Fruhling |
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Engine tuning tips
Started by RandySmith |
25 Replies
84249 Views |
October 05, 2019, 09:48:34 PM by Dave Hull |
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More Engine setup tips or 9 steps...
Started by RandySmith |
11 Replies
68499 Views |
January 26, 2019, 11:48:59 AM by RandySmith |
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Welcome All
Started by RandySmith |
2 Replies
34778 Views |
September 20, 2017, 11:06:38 PM by RandySmith |
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Enya SS 35 EX Drive Washer & Key
Started by Colin McRae |
4 Replies
61 Views |
Yesterday at 04:44:55 PM by Colin McRae |
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OS .25 LA Muffler
Started by Juan Valentin |
5 Replies
167 Views |
January 21, 2026, 09:14:02 AM by Colin McRae |
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diesel fuel
Started by FLOYD CARTER « 1 2 All » |
65 Replies
11731 Views |
January 09, 2026, 01:24:47 PM by spare_parts |
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11 Replies
399 Views |
January 08, 2026, 12:19:21 PM by Robert Zambelli |
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Fox .29 Question
Started by Joe Ed Pederson |
11 Replies
2933 Views |
January 05, 2026, 07:27:27 AM by Dave_Trible |
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Fox 35 / 25 Muffler Bolt Size
Started by Steve Maines |
6 Replies
371 Views |
January 03, 2026, 08:21:37 AM by Motorman |
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OS .15 FP Glow Plug
Started by Tres Lawton |
33 Replies
1258 Views |
December 11, 2025, 04:18:17 PM by 944_Jim |
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Thrust washer stuck on crank snout.
Started by Perry Rose |
10 Replies
494 Views |
December 11, 2025, 02:42:35 PM by Motorman |
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OS 15 FP Question
Started by Colin McRae |
9 Replies
630 Views |
December 07, 2025, 05:23:48 PM by Colin McRae |
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EVO 36 wont go rich enough
Started by dave siegler |
31 Replies
1314 Views |
December 05, 2025, 09:53:36 AM by Colin McRae |
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Super Tigre 35 plain bearing
Started by Dennis Hansen |
3 Replies
228 Views |
December 02, 2025, 10:20:35 PM by M Spencer |
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Fuel for OS H series engines
Started by Allen Eshleman |
9 Replies
4878 Views |
November 06, 2025, 04:29:54 PM by M Spencer |
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OS Max .40H
Started by charlie |
10 Replies
2686 Views |
October 19, 2025, 02:32:41 AM by Russell Willis |
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16 Replies
1224 Views |
October 12, 2025, 08:44:54 PM by Brett Buck |
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Fox 35 needle protector
Started by Kevin K |
4 Replies
457 Views |
October 09, 2025, 09:19:49 AM by Kevin K |
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Prop combo for merco rustler 60
Started by Shorts,David |
16 Replies
670 Views |
October 04, 2025, 06:44:09 AM by Dave_Trible |
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Socket head bolts
Started by Kevin K |
10 Replies
585 Views |
September 15, 2025, 01:43:29 PM by Kevin K |
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Fox/McCoy head and crankcase screws
Started by Brett Buck |
2 Replies
498 Views |
September 11, 2025, 09:02:00 PM by Brett Buck |
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New old stock parts.
Started by Perry Rose |
0 Replies
286 Views |
September 11, 2025, 12:08:37 PM by Perry Rose |
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Half of muffler comes off B 40
Started by Allen Eshleman |
11 Replies
3186 Views |
August 16, 2025, 02:23:55 PM by Steve Helmick |
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Engine supply fuel tubing size
Started by Tres Lawton |
12 Replies
866 Views |
August 05, 2025, 05:02:21 PM by Tres Lawton |
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Fox 15
Started by Dave Moritz |
43 Replies
34027 Views |
July 23, 2025, 11:47:01 AM by Motorman |
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Double Star 40’s
Started by Clint Ormosen |
14 Replies
5650 Views |
July 22, 2025, 12:47:49 AM by M Spencer |
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PA 40
Started by Leandro_Foltran |
2 Replies
1524 Views |
June 30, 2025, 11:06:34 AM by Brett Buck |
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PA 75 setup weights
Started by Paul Richardson1 |
5 Replies
1576 Views |
June 26, 2025, 06:23:11 AM by Paul Richardson1 |
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13 Replies
5596 Views |
June 11, 2025, 10:34:33 PM by Dave Hull |
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Multiple Engine Problems !!
Started by Paul Raley |
34 Replies
9352 Views |
June 09, 2025, 07:35:53 AM by Rusty |
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Fox 35 Stunt and strange fuel
Started by GERALD WIMMER |
5 Replies
3551 Views |
May 30, 2025, 11:42:34 PM by Brett Buck |
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K&B Green Head 45
Started by Robert Zambelli |
12 Replies
4236 Views |
May 30, 2025, 04:30:18 AM by GERALD WIMMER |
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K&B 40 bearing replacement
Started by Ron Duly |
9 Replies
4143 Views |
May 18, 2025, 09:34:47 PM by Ron Duly |
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frozen motors
Started by bob whitney |
16 Replies
23055 Views |
May 13, 2025, 02:26:43 AM by Rusty |
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20 Replies
12573 Views |
April 19, 2025, 11:06:32 PM by Brian Gardner |
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13 Replies
6386 Views |
April 10, 2025, 09:36:43 PM by Dave Hull |
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OS MAX-S 35
Started by Myron Firmin |
2 Replies
3000 Views |
March 30, 2025, 08:07:41 PM by Myron Firmin |
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CS 46 Engine
Started by Allen Eshleman |
15 Replies
8727 Views |
March 23, 2025, 08:38:24 PM by M Spencer |
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FP 35 head shims
Started by Paul Allen |
7 Replies
17861 Views |
February 26, 2025, 11:54:08 PM by Steve Helmick |
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Webra 28 Diesel
Started by Motorman |
1 Replies
7616 Views |
February 23, 2025, 02:06:27 AM by Dave Hull |
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Electric Starter Technique
Started by Peter in Fairfax, VA |
8 Replies
8158 Views |
February 21, 2025, 01:16:25 AM by bob whitney |
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Engine Bolt Pattern
Started by t michael jennings |
4 Replies
30602 Views |
February 18, 2025, 06:38:16 AM by t michael jennings |
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12 Replies
6560 Views |
February 17, 2025, 12:58:29 PM by Steve Helmick |
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OS 20FPs compared
Started by Dave Moritz |
9 Replies
14706 Views |
January 17, 2025, 05:26:31 PM by M Spencer |
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Magic Prop
Started by Motorman |
30 Replies
17643 Views |
January 08, 2025, 12:34:26 AM by Dan McEntee |
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Set up for PA 75?
Started by Jim Oliver |
11 Replies
6833 Views |
January 04, 2025, 09:40:50 PM by Brett Buck |
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