HP engines (Hirtenberger, AG Austria) tech support. Owned by RJL Industries since 1990
Moderator: SteveM
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- Check www.mecoa.com FAQ for answers to common questions
by MECOA » Sat May 22, 2004 8:58 pm
- 0 Replies
- 9423 Views
- Last post by MECOA
Sat May 22, 2004 8:58 pm
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- HP 120 Twin guestions
by RPM Nut » Tue Jul 18, 2017 8:19 pm
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Wed Aug 02, 2017 10:45 am
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- Can't get what I ordered from you...
by Woody218 » Mon Jul 17, 2017 6:26 am
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Mon Jul 17, 2017 6:26 am
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- Gold Cup 1.20 twin center crankshaft
by Cryhavoc » Sun Aug 23, 2015 3:30 am
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Sun Sep 06, 2015 9:58 am
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- 1980'S HP 15
by astrahog45 » Sun Mar 22, 2015 12:21 pm
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Sat Apr 11, 2015 2:01 pm
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- VT 49 inverted running
by alarine » Wed Sep 10, 2014 9:52 pm
- 1 Replies
- 7787 Views
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Mon Sep 15, 2014 1:14 pm
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- How to cranckup 20year VT49
by nzbgamer » Sat Nov 16, 2013 9:00 am
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- 8382 Views
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Fri Nov 29, 2013 5:54 pm
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- HP 40 Piston sleeve assemblies
by raglafart » Mon Sep 01, 2008 6:19 am
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Fri Aug 09, 2013 8:49 am
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- VT-21 Exhaust Size
by mikee909 » Fri Feb 08, 2013 2:28 pm
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- 8942 Views
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Fri Feb 08, 2013 2:28 pm
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- VT 21 carb confusion
by Martin » Mon Jun 11, 2012 2:24 pm
- 1 Replies
- 8430 Views
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Sat Jun 16, 2012 1:47 pm
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- HP 40 rc glow plug question
by strick1940 » Thu May 24, 2012 5:16 pm
- 10 Replies
- 21058 Views
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Wed May 30, 2012 10:41 pm
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- HP VT 21 valve clearance
by Martin » Thu Mar 08, 2012 3:01 am
- 1 Replies
- 8119 Views
- Last post by MECOA
Mon Mar 19, 2012 7:24 pm
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- carb. problem on hp 61
by triumphman » Sat Feb 25, 2012 10:51 pm
- 1 Replies
- 8020 Views
- Last post by MECOA
Tue Mar 06, 2012 7:17 pm
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- HP 21 VT question...
by rapmoz » Fri Dec 09, 2011 2:41 am
- 3 Replies
- 10750 Views
- Last post by MECOA
Fri Jan 20, 2012 11:47 am
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- HPVT25 Specs
by High84FPV » Tue Dec 13, 2011 3:00 pm
- 1 Replies
- 8104 Views
- Last post by High84FPV
Tue Dec 13, 2011 3:09 pm
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- HPVT49 plumbing
by shrub3056 » Mon Dec 05, 2011 7:01 pm
- 1 Replies
- 8184 Views
- Last post by MECOA
Sun Dec 11, 2011 9:40 pm
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- CL Venturi Assembly for HP 61 Gold Cup
by N99JH » Thu Nov 03, 2011 3:49 am
- 1 Replies
- 8048 Views
- Last post by MECOA
Sun Nov 13, 2011 10:03 am
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- VT21 USA... is this more powerful than the Austrian version?
by Rusty-Gunn » Tue May 03, 2011 2:09 pm
- 6 Replies
- 14286 Views
- Last post by MECOA
Wed Nov 02, 2011 3:45 pm
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- HP 61 RC Gold Cup dimensions
by gkaraolides » Thu Jul 14, 2011 3:00 pm
- 2 Replies
- 8645 Views
- Last post by gkaraolides
Mon Jul 18, 2011 12:34 am
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- HP .15 Rear Rotor - Info?
by dedaddy007 » Tue Apr 12, 2011 7:40 pm
- 1 Replies
- 7042 Views
- Last post by MECOA
Sun Apr 17, 2011 6:35 pm
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- HP 61 VT
by jcarducci » Sat Apr 18, 2009 12:14 pm
- 12 Replies
- 22374 Views
- Last post by rockindaddy
Mon Dec 13, 2010 7:02 pm
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- HP 61 question
by svo » Thu Oct 14, 2010 9:41 pm
- 2 Replies
- 8494 Views
- Last post by svo
Fri Oct 15, 2010 12:16 pm
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- HPVT49 RPM ADVICE PLEASE
by boz » Thu Sep 09, 2010 11:05 am
- 1 Replies
- 7143 Views
- Last post by chiefss
Thu Sep 09, 2010 1:58 pm
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- HP .61 Gold CUP Help!!!
by Riverruns2me » Thu Aug 05, 2010 1:26 am
- 1 Replies
- 7957 Views
- Last post by MECOA
Sun Aug 15, 2010 9:01 pm
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- HP VT61 Exhaust thread
by weeleyboy » Wed Dec 09, 2009 5:42 am
- 1 Replies
- 7898 Views
- Last post by MECOA
Thu Jan 14, 2010 10:45 am
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- HP 40 RC
by chrisjohn » Sat Oct 24, 2009 7:26 am
- 1 Replies
- 8051 Views
- Last post by MECOA
Thu Nov 26, 2009 9:57 pm
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- VT 21 Needle housing problem
by jwitham » Wed Sep 02, 2009 8:04 pm
- 1 Replies
- 8047 Views
- Last post by MECOA
Tue Sep 08, 2009 7:03 am
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- Is my 21VT powerfull enough
by BayNavigator » Sun Apr 06, 2008 1:51 pm
- 5 Replies
- 13627 Views
- Last post by BayNavigator
Sun Jun 28, 2009 2:54 pm
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- Cant Start VT21
by ohaley » Sun May 24, 2009 10:13 pm
- 1 Replies
- 7856 Views
- Last post by MECOA
Sun May 31, 2009 12:50 pm
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- Hirtenberger .61 (4 bolts head)
by leoplanes » Thu May 07, 2009 6:58 pm
- 1 Replies
- 8036 Views
- Last post by MECOA
Thu May 07, 2009 8:54 pm
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- Upgrading my VT49 to bearing head
by ceeg » Mon Apr 27, 2009 8:23 pm
- 0 Replies
- 8709 Views
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Mon Apr 27, 2009 8:23 pm
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- Which model is my HP 4 stroke?
by weeleyboy » Sun Apr 19, 2009 8:07 am
- 1 Replies
- 7852 Views
- Last post by MECOA
Mon Apr 20, 2009 7:27 pm
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- VT 49 Valve Shim
by Imhoff43 » Sat Mar 21, 2009 4:44 pm
- 1 Replies
- 8064 Views
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Tue Mar 31, 2009 7:57 am
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- Hp .61 vs HB .61
by xeon19 » Sun Dec 14, 2008 8:22 pm
- 2 Replies
- 9396 Views
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Sun Dec 21, 2008 12:43 pm
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- HP 40R engine info
by florin777 » Fri Aug 29, 2008 5:33 pm
- 2 Replies
- 9508 Views
- Last post by MECOA
Fri Aug 29, 2008 8:07 pm
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- HP 40 parts
by bobsrc » Tue Aug 26, 2008 6:52 am
- 0 Replies
- 8787 Views
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Tue Aug 26, 2008 6:52 am
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- HP 40 SILVER STAR
by kingy077 » Sun May 18, 2008 9:32 pm
- 2 Replies
- 9851 Views
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Fri Jul 11, 2008 8:53 am
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- HP VT .49 exploded view and disassembly instructions
by c1802362 » Sat Jun 07, 2008 8:06 pm
- 3 Replies
- 10881 Views
- Last post by Dad_Roman
Wed Jun 18, 2008 3:15 pm
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- VT49 Lower end failure
by Dad_Roman » Sat May 31, 2008 9:00 pm
- 1 Replies
- 8311 Views
- Last post by Dad_Roman
Sat May 31, 2008 9:11 pm
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- HP .40 Silver Star Cylinder Liner/ piston set
by Aaron_Novak » Thu May 08, 2008 1:11 pm
- 2 Replies
- 9724 Views
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Sat May 10, 2008 10:50 pm
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- Damage to Con rod by gear shaft
by Ted Hatton » Thu Feb 14, 2008 5:44 pm
- 1 Replies
- 8533 Views
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Fri Feb 29, 2008 9:51 pm
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- HP VT-49
by ebreeden » Thu Oct 18, 2007 9:43 am
- 9 Replies
- 19970 Views
- Last post by Dad_Roman
Thu Feb 21, 2008 8:12 am
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- HP 21 VT SPEZIAL - EXPLODED DIAGRAM OF PARTS
by judaji » Thu Jan 03, 2008 1:57 pm
- 1 Replies
- 8964 Views
- Last post by Dad_Roman
Wed Feb 20, 2008 11:42 am
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- HP 49 VT Exhaust header question
by Dad_Roman » Wed Dec 05, 2007 1:13 pm
- 2 Replies
- 9767 Views
- Last post by Dad_Roman
Wed Dec 19, 2007 9:33 pm
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- HP 61 GC Slide Carb Operation
by tutelar-rc » Tue Oct 02, 2007 9:11 pm
- 6 Replies
- 15161 Views
- Last post by tutelar-rc
Tue Oct 16, 2007 8:09 pm
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- Difference between VT.21 and .25?
by Longdan » Fri Aug 31, 2007 2:50 am
- 1 Replies
- 8974 Views
- Last post by MECOA
Sat Sep 29, 2007 7:13 pm
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- 61 GC settings
by digital_trucker » Sat Jun 16, 2007 12:37 pm
- 3 Replies
- 11177 Views
- Last post by MECOA
Fri Jul 06, 2007 11:38 am
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- HP .61
by Rod Kuntz » Thu May 10, 2007 2:18 pm
- 3 Replies
- 12323 Views
- Last post by MECOA
Sat May 19, 2007 9:29 am
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- VT 49 & VT 61
by Zelio » Sun May 13, 2007 4:38 pm
- 1 Replies
- 9110 Views
- Last post by MECOA
Mon May 14, 2007 11:02 am
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- hp 61
by Doug1939 » Sat Mar 10, 2007 12:06 am
- 1 Replies
- 9169 Views
- Last post by MECOA
Fri Mar 16, 2007 7:21 pm
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- HP 40F - RC
by dmacpherso » Fri Mar 09, 2007 9:04 am
- 1 Replies
- 8963 Views
- Last post by MECOA
Fri Mar 16, 2007 7:13 pm
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- HP 61 - mixture adjustment
by Lysander » Mon Nov 13, 2006 10:57 am
- 2 Replies
- 10458 Views
- Last post by Lysander
Wed Nov 15, 2006 1:25 am
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- HP 61 Carb
by kjswear » Tue Oct 10, 2006 11:43 am
- 2 Replies
- 10340 Views
- Last post by kjswear
Fri Oct 13, 2006 10:51 am
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- HP 40 Gold cup Muffler
by shipoke » Fri Oct 06, 2006 12:50 pm
- 0 Replies
- 9579 Views
- Last post by shipoke
Fri Oct 06, 2006 12:50 pm
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- HP61 gaskets?
by dbarn » Wed Sep 27, 2006 2:05 pm
- 2 Replies
- 10072 Views
- Last post by dbarn
Tue Oct 03, 2006 6:34 am
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- VT 49 Fuel draw and Glo plug problems
by Ted Hatton » Sat Sep 02, 2006 3:22 pm
- 1 Replies
- 9000 Views
- Last post by MECOA
Sun Sep 03, 2006 11:57 am
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- HP 21 Problems
by Imhoff43 » Fri Sep 01, 2006 7:55 am
- 1 Replies
- 8982 Views
- Last post by MECOA
Sat Sep 02, 2006 11:14 am
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- HP Gold cup 61R broken thread
by maikatze » Wed Aug 09, 2006 10:29 am
- 1 Replies
- 8987 Views
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Wed Aug 16, 2006 7:40 am
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- VT21 Running Problem Unresolved
by davideo4301 » Tue May 30, 2006 5:04 am
- 3 Replies
- 11565 Views
- Last post by MECOA
Tue Jun 13, 2006 7:05 am
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- VT 21 running Problems
by davideo4301 » Fri May 12, 2006 7:28 am
- 1 Replies
- 9164 Views
- Last post by MECOA
Fri May 12, 2006 8:24 am
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- HP .61 Motor
by ForeverHero » Fri Apr 28, 2006 1:29 pm
- 1 Replies
- 9397 Views
- Last post by MECOA
Mon May 01, 2006 4:15 pm
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- HP VT 49
by Jeza » Fri Jan 27, 2006 12:18 am
- 5 Replies
- 15335 Views
- Last post by MECOA
Sat Feb 04, 2006 8:07 pm
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- HP61 1972
by Roy Hanks » Thu Jan 26, 2006 5:15 am
- 1 Replies
- 9402 Views
- Last post by MECOA
Thu Jan 26, 2006 8:07 pm
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- Early HP Silver Star .40
by Kelpie » Fri Dec 02, 2005 7:33 pm
- 3 Replies
- 11871 Views
- Last post by Kelpie
Sun Dec 04, 2005 4:43 pm
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- VT 49 stalling
by JSRagman » Tue Nov 08, 2005 10:29 am
- 5 Replies
- 15061 Views
- Last post by MECOA
Tue Nov 22, 2005 9:20 pm
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- Difficulty tuning HP.61 carb
by djc » Sat Oct 01, 2005 4:51 pm
- 3 Replies
- 12478 Views
- Last post by MECOA
Mon Oct 24, 2005 12:35 pm
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- HP .61 Gold Cup
by ctoms » Sat Oct 01, 2005 11:16 pm
- 1 Replies
- 9587 Views
- Last post by MECOA
Wed Oct 12, 2005 8:00 am
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- HP 61
by Bob » Thu Sep 29, 2005 7:32 am
- 1 Replies
- 9244 Views
- Last post by MECOA
Sat Oct 01, 2005 11:54 am
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- Need info on my HP VT FC 25 Austrian
by captb33 » Thu Sep 15, 2005 10:23 pm
- 1 Replies
- 9536 Views
- Last post by MECOA
Thu Sep 22, 2005 8:23 pm
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- VT-21 and VT-49
by mikee909 » Tue Sep 13, 2005 7:42 pm
- 1 Replies
- 9560 Views
- Last post by MECOA
Thu Sep 15, 2005 12:31 pm
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- H P SILVER STAR 61
by JOHN DAVIES » Wed May 04, 2005 4:14 am
- 1 Replies
- 9949 Views
- Last post by MECOA
Thu Sep 15, 2005 12:28 pm
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- Early HP61 Carb
by boz » Wed May 04, 2005 9:44 am
- 1 Replies
- 9238 Views
- Last post by MECOA
Wed May 04, 2005 8:18 pm
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- Hp61 question
by redappy » Sat Apr 23, 2005 7:15 am
- 1 Replies
- 9505 Views
- Last post by MECOA
Mon Apr 25, 2005 6:39 pm
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- HP Gold Cup .40 Sleeve Question
by tzsetzse » Fri Mar 18, 2005 5:51 pm
- 1 Replies
- 9784 Views
- Last post by MECOA
Thu Mar 24, 2005 9:19 pm
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- Advice on break in of NIB HP 49VT
by John Joyce » Mon Mar 14, 2005 10:59 am
- 3 Replies
- 12268 Views
- Last post by MECOA
Sun Mar 20, 2005 10:25 am
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- HP.40 RV
by viking61 » Fri Mar 11, 2005 5:28 pm
- 0 Replies
- 8650 Views
- Last post by viking61
Fri Mar 11, 2005 5:28 pm
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- VT 45
by munroman » Wed Feb 23, 2005 11:15 am
- 1 Replies
- 9180 Views
- Last post by MECOA
Wed Mar 02, 2005 4:50 pm
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- HP 21 fuel?
by BillS » Sat Jan 29, 2005 6:43 pm
- 1 Replies
- 9505 Views
- Last post by MECOA
Sun Jan 30, 2005 11:23 am
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- HP 61 Gold Cup New vs. Old
by ModelBuilder » Mon Dec 13, 2004 2:59 pm
- 3 Replies
- 13347 Views
- Last post by MECOA
Sat Dec 18, 2004 6:41 pm
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- HP VT .61
by Sueco » Wed Jun 09, 2004 1:26 pm
- 1 Replies
- 9877 Views
- Last post by MECOA
Fri Jun 11, 2004 12:39 pm
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- HP .40 RISE
by Dan Mrozek » Sun May 23, 2004 12:52 pm
- 1 Replies
- 9869 Views
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Sun May 23, 2004 4:41 pm
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