Search found 1145 matches

by GMAC 76
Fri Jul 02, 2010 2:40 pm
Forum: Aircraft Power Only
Topic: help with IO-470 timing
Replies: 3
Views: 337

help with IO-470 timing

what is the best timing degree to set for an IO-470 using automotive fuel our 520 tag says 22BTC but the tag on the 470 is missing thanks for the help
by GMAC 76
Tue Jun 29, 2010 10:24 pm
Forum: Airboat Tech
Topic: Does Cage Wire affect performance?
Replies: 15
Views: 1371

Re: Does Cage Wire affect performance?

i remember an article in the old us airboat magazine years ago about how much more resistance there was with a flat pancake cage as opposed to a regular full cage made of the same size wire and tubing something to do with the angle the wire an tubing cut thru the air but i dont remember all the deta...
by GMAC 76
Tue Jun 29, 2010 2:16 pm
Forum: Aircraft Power Only
Topic: Help with Cont. firing order
Replies: 1
Views: 294

Help with Cont. firing order

Can someone please tell me the firing order for the PE-60 and is it the same as an A-65 thanks!!
by GMAC 76
Wed Jun 23, 2010 1:22 pm
Forum: Aircraft Power Only
Topic: 220 g.p.u. spark plug gap
Replies: 16
Views: 1885

Re: 220 g.p.u. spark plug gap

JASOND THE B8RS plugs were the oem plugs on the gpu they are an aircraft style plug with an automitive type electrode el reno avaition in el reno ok used to sell them as surplus parts for 6 bucks a piece but if you dont have aircraft plug wires they wont do you much good and i am not sure el reno st...
by GMAC 76
Thu Jun 17, 2010 1:05 pm
Forum: Aircraft Power Only
Topic: ma4-5 help
Replies: 9
Views: 1171

Re: ma4-5 help

i ran that same carb on my 0360/180hp and it worked great it might be a little much carb for a 320 i dont know anyway i had the same problem you are having found out that the o ring under the automatic altitude bellows had detereated and that let excessive fuel into the discharge nozzle causing the ...
by GMAC 76
Sun Jun 06, 2010 3:31 pm
Forum: Airboat Talk
Topic: Restaurants on Kissimmee chain
Replies: 9
Views: 832

Re: Restaurants on Kissimmee chain

The resturant at cypress is going to reopen with the new owners but it will be a while they are going to do some major remodeling and changes it also sounds like the DEP wont let them serve food on the outside deck anymore good ol DEP! just cant leave things alone
by GMAC 76
Fri Jun 04, 2010 1:33 pm
Forum: Airboat Talk
Topic: CYPRESS LAKE FISH CAMP SOLD!!!
Replies: 2
Views: 978

Re: CYPRESS LAKE FISH CAMP SOLD!!!

dave, i sure wish i could have been around here back then some of the pictures and stories about this area from years ago are really something some of the cabins on stilts are still here and are used and enjoyed on a regular basis a couple of them are now owned by two of my best buddies so i get to ...
by GMAC 76
Fri Jun 04, 2010 11:12 am
Forum: Airboat Talk
Topic: CYPRESS LAKE FISH CAMP SOLD!!!
Replies: 2
Views: 978

CYPRESS LAKE FISH CAMP SOLD!!!

the fish camp rv park at cypress lake has been sold the new name is boggy creek airboats at wild florida no mention of a camp or rv park in the new name thats kind of scary for those of us who live here no word on what the new owners have planned for the camp time will tell i guess hope they clean i...
by GMAC 76
Mon May 31, 2010 10:56 pm
Forum: Airboat Talk
Topic: LAKE CYPRESS FISH CAMP SOLD
Replies: 3
Views: 1063

Re: LAKE CYPRESS FISH CAMP SOLD

the fish camp has been sold they expect to close on the deal soon we have been told that for the immediate future they plan to leave things pretty much as they are they want to fix the road in the camp clean things up a little change some things in the store reopen the cafe etc etc as far as long te...
by GMAC 76
Sun May 30, 2010 6:52 pm
Forum: Aircraft Power Only
Topic: 0470 with 520 cyls carb help!
Replies: 5
Views: 570

Re: 0470 with 520 cyls carb help!

my engine is an 0-470-15 with 520 cyls the engine came stock with a ma-4-5 carb jetted for 0470 cyls now with the 520 cyls i wondering if i am getting enough fuel with the stock 470 nozzle or if the increase in cubic inches needs more fuel?????
by GMAC 76
Sun May 30, 2010 1:29 pm
Forum: Aircraft Power Only
Topic: 0470 with 520 cyls carb help!
Replies: 5
Views: 570

0470 with 520 cyls carb help!

one more time guys now that i have the timing taken care of i am wondering if the 0470 carb is enough for the 520 cyls or if it will be to lean and i should put in a different discharge nozzle say from a 540 carb i dont want to burn a piston with a lean mixture the plugs show that it is definetly no...
by GMAC 76
Sun May 30, 2010 12:52 pm
Forum: Aircraft Power Only
Topic: more help with 0-470 timing
Replies: 2
Views: 375

Re: more help with 0-470 timing

I timed her to 24 on both mags and it runs and starts great thanks!
by GMAC 76
Sat May 29, 2010 10:56 pm
Forum: Aircraft Power Only
Topic: more help with 0-470 timing
Replies: 2
Views: 375

more help with 0-470 timing

i now find out that this 0-470-15 has been fitted with 520 cyls so do i time it as an 0-470 or a 520 the timing on the 470 is 26 i believe the 520 timing is 22 thanks again sorry to be a pain but i dont want to mess up
by GMAC 76
Sat May 29, 2010 10:43 pm
Forum: Aircraft Power Only
Topic: help with 0-470 timing
Replies: 3
Views: 357

Re: help with 0-470 timing

THANKS pirate what a great link appericate the help!!!!
by GMAC 76
Sat May 29, 2010 5:17 pm
Forum: Aircraft Power Only
Topic: help with 0-470 timing
Replies: 3
Views: 357

help with 0-470 timing

can someone please help me with the correct timing with my 0-470-15 cont. the tag is beat up and i cant read the timing degrees it appears to be 22, 26 or mabye 28 i just cant tell and i want to do it right the engine is totally stock aircraft and burns only avgas thanks
by GMAC 76
Mon May 24, 2010 10:33 am
Forum: Aircraft Power Only
Topic: GO-435 TIMING
Replies: 2
Views: 594

GO-435 TIMING

can someone tell me the correct timing degrees on a GO-435 this engine has no tag and i am not sure if the timing is the same on the geared lycomings as it is on the dd engines i think most all lyc time at 25' BTDC
by GMAC 76
Sun May 23, 2010 11:33 am
Forum: Aircraft Power Only
Topic: GPU CRANK & GASKET SET???????
Replies: 6
Views: 609

GPU CRANK & GASKET SET???????

A friend of mine is trying to put together a 220gpu he has everything (and i truly mean EVERYTHING) execpt a crank shaft, bearings and an overhaul gasket set can someone help him out about where to go or who to call about these parts any info will be greatly appericated THANKS he doesnt have a compu...
by GMAC 76
Sat May 22, 2010 11:08 am
Forum: Aircraft Power Only
Topic: Synthetic Oil for Lycomings
Replies: 5
Views: 874

Re: Synthetic Oil for Lycomings

i have been using the areoshell 15w50 semi syn for 5yrs in my 200 lyc with no problems except for the price per qt it has also been a good oil for my ol '75 shovelhead
by GMAC 76
Thu May 13, 2010 10:33 pm
Forum: Aircraft Power Only
Topic: GPU MANUALS
Replies: 2
Views: 366

GPU MANUALS

I recently ordered and received overhaul and parts manuals for the pe-150 and pe-90 Cont. GPU engines the overhaul manual for the pe-150 was $30 parts manual $27 overhaul for pe-90 $40 these are really nice and very complete they are available from ESSCO AIRCRAFT MANUALS i am a little new to the for...
by GMAC 76
Thu May 13, 2010 10:20 pm
Forum: Aircraft Power Only
Topic: continental 220 groundpower manual ?
Replies: 23
Views: 2452

Re: continental 220 groundpower manual ?

ESSCO AIRCRAFT MANUALS has overhaul and parts manual for the 6cyl gpu and overhaul manual for the 4cyl gpu 6cyl overhaul manual #38G2-39-2 $30 parts manual#38G2-20-4 $27 4cyl overhaul manual #38G2-19-13 $40 i ordered all of these about 2 months ago and they are super nice just type in essco aircraft...
by GMAC 76
Thu May 13, 2010 11:17 am
Forum: Aircraft Power Only
Topic: Oil Pressure
Replies: 7
Views: 780

Re: Oil Pressure

same thing happened to a guy in our camp he put in a new oil pressure regulator spring and ball his pressure not only went back up to where it was but it stayed higher when the engine warmed up
by GMAC 76
Sun May 02, 2010 8:36 pm
Forum: Aircraft Power Only
Topic: Another fuel pump question
Replies: 6
Views: 556

Re: Another fuel pump question

just did exactly what you are wanting to do on an IO-520 used a FACET 3-6psi pump from NAPA it works great!
by GMAC 76
Sat May 01, 2010 8:39 pm
Forum: Airboat Tech
Topic: POWDER SOAP OR LIQUID FOR SPRAYER, WHAT ABOUT SOFTNER??
Replies: 3
Views: 696

Re: POWDER SOAP OR LIQUID FOR SPRAYER, WHAT ABOUT SOFTNER??

some of the best stuff i have tried is the additive they put in the "spot free rinse" water at the car washes it doesnt gum up the pump or the spray heads
by GMAC 76
Fri Apr 30, 2010 7:04 pm
Forum: Aircraft Power Only
Topic: different rpm at WOT
Replies: 14
Views: 868

Re: different rpm at WOT

u r right sir!!! i kinda like that 2950 but why does it happen?
by GMAC 76
Fri Apr 30, 2010 6:51 pm
Forum: Aircraft Power Only
Topic: different rpm at WOT
Replies: 14
Views: 868

different rpm at WOT

why is there so much difference in WOT engine rpm from the trailer to the lake i just put a new prop on a 540 dialed in the pitch to turn 2800 on the trailer left everything the same took it to the lake and the engine turned up to nearly 2950 can someone tell me what causes this???

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