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Tractor Pulling Discussion Forum

560 gas turbo

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smdv806

10-12-2007 16:37:25




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What turbo would you recommend for a 560 gas with a turbo running 2500 rpm max? What would be a safe boost psi without blowing anything up? What kind of head gasket do i need to use? What can I do to regulate boost pressure?




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ih560

10-13-2007 08:12:07




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 Re: 560 gas turbo in reply to smdv806, 10-12-2007 16:37:25  
If he was running that kind of boost , he was not runing on gasoline. That was an alcohol burner.



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ih560

10-12-2007 17:00:41




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 Re: 560 gas turbo in reply to smdv806, 10-12-2007 16:37:25  
Not sure if I answered your question on how to regulate boost.
The easiest way is to get one of the t3 turbochargers with the integral wastegate. Such as the one for a saab 900, or even some of the chrysler turbochargers. But if you get one that does not have an integral wastegate, you will have to install a wastegate after the manifold but before the turbo. If you have anymore questions at all just email me at the email address above.
And the reason that I said to stay at 10psi is because above that you are going to create a lot more internal heat than is really safe/ If I were going to do this a tractor that I wanted to see run for a while I would keep the boost at or below 10 psi.

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ih560

10-12-2007 16:56:46




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 Re: 560 gas turbo in reply to smdv806, 10-12-2007 16:37:25  
I have turbocharged many gas engines in my time, including a farmall M and a 351w or two
For the 560 gas engine I would reccomend a garrett t3 style turbocharger. with a .63 a/r exhaust and a .48 - .63 compressor. I would not run anymore than 10 psi just to be safe. My M would peg a 30 psi boost gauge and it never had any problems at all, could have just been luck. But I always ran racing fuel. The only problem I had, was that there was no where that would let me pull it.
The cheapest way to go would be to buy a used turbocharger from a SAAB 900, they will work perfect. INternally wastegated to around 7psi I believe.

You will more than likely have to build a box to go around your carb to equilize the pressure inside and outside of it. or make it a pull through system and just hook the carb up to the intake of the turbocharger.
Unless you want to fuel inject it and then I have a lot of experience in that area too, If you want to know any more just send me an email.

dustymoran@hotmail.com

Also if you want to, there is one on ebay right now that would be perfect and it is pretty cheap Item number : 290168161392

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Ian Johnsen

10-16-2007 19:58:29




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 Re: 560 gas turbo in reply to ih560, 10-12-2007 16:56:46  
I have A saab 900 T3 turbo on my Massey Harris and I chose it because it was externally wastegated and it allowed me to run the wastegate of my choice. The blowthrough set up with an updraft gas carb is a nightmare. There are no seals on the throttle shaft (major leakage with boost), you can try to build an airtight box around the carb (and throttle linkage...good luck), you can try to equalize the float bowl pressure with a tube from the boost pipe but cances are you will turn the brass floats into raisins with any decent boost. Drawthrough has its downfalls, too. Your carb adapter to the turbo will ice up with much run time from the rapid air pressure drop from the intake pull from the turbo. Do yourself a favor and convert your tractor to run on propane while mocking up your turbo set up. Find a mechanical propane carb(not a diaphram style). This carb will have an air/ fuel rod that adjusts the ratio between the butterfly(for air) and the barrel valve(for fuel). EASY TUNING! Propane lends well to boost. Its higher octane, it already runs around 14 PSI so there's no fuel starvation, no floats, no air tight box.....etc, etc. Get a blow off valve for your boost pipe. If you are making good boost during a pull, get down to the end, push in the clutch and shut the throttle down, all of the left over boost before the carb will have no where to go. At best you'll blow a coupler, next best blow your carb to peices, and worst.. back spin your turbo's compressor wheel and destroy your turbo. Stock tractor motors lend well to boost. They are typically low compression(they can handle a lot of boost). Stock cams are also good. Performance cams for naturally aspirated motors have too much overlap to create false compression and often times limit the boost process. Good luck. Also the T3 is used on a 3000cc 6 cyl(about 183 cu in.) it works well on my 162 cu in continental bored 30 over. How big is your 560? It may not be enough turbo.

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smdv806

10-17-2007 06:14:13




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 Re: 560 gas turbo in reply to Ian Johnsen, 10-16-2007 19:58:29  
I am rebuilding it to a 291 and porting the head.



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Gearnut

10-12-2007 19:48:56




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 Re: 560 gas turbo in reply to ih560, 10-12-2007 16:56:46  
This past summer I took my 460 to a town called Elkton, Michigan for a local pull. I ran into a guy by the name of Richard who pulled a IH560 with a turbo in some NTPA class for a number of years. He ran 50 psi and 6500 rpms, estimated 1000 hp. He burned up some bearings, but hung with the class until he decided to retire from chasing points and now campaigns a V8 Nostalgia tractor with www.ttpa.org. You can find him in the points list, he is in 2nd place. Mark

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Gearnut

10-14-2007 04:27:08




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 Re: 560 gas turbo in reply to Gearnut, 10-12-2007 19:48:56  
I'm sorry I miss-spoke. I don't think he (Richard) actually said how much HP it produced. If I recall, that was MY calculation (and it could be off quite a bit)... but I got the 50 psi and 6500 rpm part correct. He said they spun a few bearings and finally split the block but the crankshaft never failed. All of that on 4 mains ! He said they took-out some gears and doubled up on 2nd and 4th so 2 gears were carrying the load making the transmission stronger. Consequently, they lost 1st and 3rd. I remember asking him about intake heat at 50 psi. I'll bet a intercooler would have done wonders (but perhaps it wasn't legal?).

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ih560

10-14-2007 07:44:53




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 Re: 560 gas turbo in reply to Gearnut, 10-14-2007 04:27:08  

Gearnut said: (quoted from post at 04:27:08 10/14/07) I'm sorry I miss-spoke. I don't think he (Richard) actually said how much HP it produced. If I recall, that was MY calculation (and it could be off quite a bit)... but I got the 50 psi and 6500 rpm part correct. He said they spun a few bearings and finally split the block but the crankshaft never failed. All of that on 4 mains ! He said they took-out some gears and doubled up on 2nd and 4th so 2 gears were carrying the load making the transmission stronger. Consequently, they lost 1st and 3rd. I remember asking him about intake heat at 50 psi. I'll bet a intercooler would have done wonders (but perhaps it wasn't legal?).


They run for such a short time you would be better off going with water injection, if rules allow, as opposed to an intercooler.

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Ian Johnsen

10-20-2007 12:24:56




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 Re: 560 gas turbo in reply to ih560, 10-14-2007 07:44:53  
Yeah...intercoolers don't do much at slower speeds and for only 300 feet. If anything, they will create more turbo lag with the additional boost piping.



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