gpu 220

Aircraft powered airboat discussion.
Post Reply
cowmanhutch
Southern Airboat Member
Posts: 8
Joined: Fri Dec 11, 2015 10:57 pm

gpu 220

Post by cowmanhutch »

Hey all.
I have been running my boat this fall up here in South Dakota and need a little help.
I bought this boat used and have no history on engine.She is burning through oil at 3 to 4 its per tank full. I know these engines burn oil but this seems excessive.My question is....Is there anyone up here in midwest that can do a to end rebuild that you all know?
What are prices for total rebuild? Being up here in South Dakota I have no idea about a gpu rebuild.
Thanks

fletchster76
Southern Airboat Member
Posts: 128
Joined: Fri Sep 12, 2014 5:57 pm
Location: Pasco, FL

Re: gpu 220

Post by fletchster76 »

That's a lot of oil but not unheard of on a gpu. That motor is just a non-flying aircraft engine so anyone that has ever done a top end on an aircraft engine can do it. Super simple job. Ducurra aviation will have all the parts necessary. No idea on price up there but it's probably a little more than a half day job (full day if you've never done one) for just rings and seals.

http://www.ducarraaviation.com/
14’ Viking, 520 conversion, 72" 3 blade ngh

jeepinocala1111
Site Supporter - I
Site Supporter - I
Posts: 1150
Joined: Mon Apr 21, 2014 5:57 pm

Re: gpu 220

Post by jeepinocala1111 »

What oil are you running?

cowmanhutch
Southern Airboat Member
Posts: 8
Joined: Fri Dec 11, 2015 10:57 pm

Re: gpu 220

Post by cowmanhutch »

Thanks for the replys... running XC 20/50

twister69z
Site Supporter - IV
Site Supporter - IV
Posts: 1848
Joined: Tue Feb 23, 2010 6:04 pm
Location: Nebraska

Re: gpu 220

Post by twister69z »

Is most going out the breather vent? My I suggest a air oil separator to " recycle " the oil going out the vent? They do cut the bleeding down considerably. Also when topping the cylinders make sure to switch to 4 ring Pistons you will then have a "dry" engine?
Twister69z
If you don't have time to do it right the first time ,
Where are you going to get the time to do it a second time?

schmidtav2
Site Supporter - VII
Site Supporter - VII
Posts: 311
Joined: Thu Aug 02, 2007 8:40 pm
Location: Ft Lauderdale, Fl

Re: gpu 220

Post by schmidtav2 »

as Twister69 said if you have oil coming out of the breather, which is not uncommon on GPU engines, I would suggest an air/oil separator as well, we do have them custom made if you want one.
Schmidt Airboats
Pompano Beach, Fl
954-782-2845

jeepinocala1111
Site Supporter - I
Site Supporter - I
Posts: 1150
Joined: Mon Apr 21, 2014 5:57 pm

Re: gpu 220

Post by jeepinocala1111 »

cowmanhutch wrote:Thanks for the replys... running XC 20/50
Try running this oil. And do the breather tube mod. I also ran an oil additive lucas oil stabilizer it helped a lot for my old gpu.

AeroShell Oil 100 SAE Grade 50 Straight Mineral Aircraft Oil

User avatar
glades cat
Site Supporter - III
Site Supporter - III
Posts: 3042
Joined: Mon Jan 22, 2007 2:36 pm
Location: Miami, Fl

Re: gpu 220

Post by glades cat »

ID which cyls are burning oil and replace them. Those gpu's will run fine with good cyls.
"Leave a legacy...Preserve the irreplaceable"
12' x 7' sled built by Scorpion, Cont. O-470-K, 72" Whisper Tip
Rigged by Gladescat & sons in 2009

cowmanhutch
Southern Airboat Member
Posts: 8
Joined: Fri Dec 11, 2015 10:57 pm

Re: gpu 220

Post by cowmanhutch »

Right on...Thank you all so much! We run on shallow White River hunting beaver at night.
Has a Combee hull with an 6 blade prop.I usually have 3 other guys with me hunting and I can't believe how much it weight it can carry and still handle good.
I'm a nube at airboats so thanks again for helping me.

User avatar
kwanjangnihm
Site Supporter - IV
Site Supporter - IV
Posts: 2071
Joined: Sat Mar 30, 2013 8:23 pm
Location: Bartow FL

Re: gpu 220

Post by kwanjangnihm »

cowmanhutch wrote: hunting beaver at night
:cheers: :cheers: :cheers: :cheers: :cheers:
He'll cut your throat, baby, stick you in the back, drive off in your Cadillac.
He's more trouble than you think, he'll kill your sugar, leave you in the drink.

cowmanhutch
Southern Airboat Member
Posts: 8
Joined: Fri Dec 11, 2015 10:57 pm

Re: gpu 220

Post by cowmanhutch »

Haha.... yea I got it... lol.

jeepinocala1111
Site Supporter - I
Site Supporter - I
Posts: 1150
Joined: Mon Apr 21, 2014 5:57 pm

Re: gpu 220

Post by jeepinocala1111 »

cowmanhutch wrote:Right on...Thank you all so much! We run on shallow White River hunting beaver at night.
Has a Combee hull with an 6 blade prop.I usually have 3 other guys with me hunting and I can't believe how much it weight it can carry and still handle good.
I'm a nube at airboats so thanks again for helping me.
I usually just use my truck when hunting beaver at night :scratch:

12PSI
Site Supporter - III
Site Supporter - III
Posts: 283
Joined: Wed Mar 05, 2014 1:33 pm
Location: Ft. Myers

Re: gpu 220

Post by 12PSI »

I don't have to hunt beaver anymore, it hunts me!

Post Reply

Return to “Aircraft Power Only”