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  #1  
Old 09-27-2019, 05:26 PM
jhiggins jhiggins is offline
 
Join Date: Jan 2009
Location: Matthews, NC
Posts: 51
Default Lycoming io-390 Wait blues

So I?ve been waiting in my Thunderbolt io-390 for quite a while. Originally promised June. June turned into late August, and now we are approaching October ... still no engine. I?ve been told I?m coming up real soon. Who else is waiting and what was your deposit date? Or if you have gotten one recently that info would be nice. Particularly the Thunderbolt kind.
Thanks
Jim Higgins
Rv-7a
Flying but waiting on my engine for firewall forward upgrade
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  #2  
Old 09-27-2019, 07:00 PM
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decathlon737 decathlon737 is offline
 
Join Date: Jan 2007
Location: Cartersville, GA
Posts: 350
Default YIO 390

Order January, recieved 2 weeks ago.
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Bill Woods
RV8 sold 180 hrs. of pure joy
(Nov 2018) Bought 7A Tip up
project, converting to tailwheel
slider (just because)
Thunderbolt YIO390
Hartzell BA
Steinair Panel (WOW)
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  #3  
Old 09-27-2019, 08:16 PM
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KeithB KeithB is offline
 
Join Date: Mar 2014
Location: Granbury, TX
Posts: 267
Default

Ordered 2/28 and given October delivery. Traded with another builder for his 4/30 date, in April delayed until July, in July delayed until September 20, on September 18 delayed until ?mid to late October?. Not impressed.
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Keith Brown

RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, 24th in the air, >600 hrs
XP-400 Aero Sport Power, replaced with Lyc Thunderbolt 390
RV-6A sold
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 9/2019
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  #4  
Old 09-28-2019, 04:32 AM
cderk cderk is offline
 
Join Date: Sep 2015
Location: Park Ridge, NJ
Posts: 605
Default

about 4 months for a Thunderbolt IO540. Totally worth it. can't wait to fly this thing
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http://n688cd.wordpress.com
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  #5  
Old 09-28-2019, 04:54 AM
mturnerb mturnerb is offline
 
Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,441
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Are the delays based on demand, or on lack of components? I got lucky on timing - ordered mine just before Oshkosh last year and had it by end of August. Seems like starting soon after that the backlog has just grown.
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Turner Billingsley

RV-14A built/sold N14VB
RV-10 in progress as of May 2020

https://tbrv10.blogspot.com/
https://turnerb14a.blogspot.com/
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  #6  
Old 09-28-2019, 02:50 PM
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KeithB KeithB is offline
 
Join Date: Mar 2014
Location: Granbury, TX
Posts: 267
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Delays are for the IO-390 engine only (I believe) in either stock factory or Thunderbolt builds. Lycoming brought cylinder manufacturing in-house for this engine and apparently has had MAJOR problems with the process.
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Keith Brown

RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, 24th in the air, >600 hrs
XP-400 Aero Sport Power, replaced with Lyc Thunderbolt 390
RV-6A sold
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 9/2019
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  #7  
Old 09-29-2019, 04:05 AM
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Bastien Bastien is offline
 
Join Date: Jun 2010
Location: Vannes, FRANCE
Posts: 140
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As Keith stated, they seem to have major issue on the -390 or -580 cylinders both on Thunderbolt and regular Lycoming side.
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Van's RV8 3040 F-PVRB
Aerosport IO-375 turning WW200RV
Dual Dynon SV1000
SJ Wheel pants/plenum/cowl
Flying since 07/27/12
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