Fun facts which I want to share.

I hear this all the time for guys who think they know every thing. I am going to put a Turbocharger on my engine. Okay one thing I had to learn many years ago you only put on if you have a low combustion engine. Did you know that in 1962 Oldsmobile came out with a F-85 jet fire Turbo rocket fitted for the Garrett T05. Than Chevy came out with the Corvair that had a Turbocharger on it. Then I.H. Scout was putting an option on the 152 engine with a Turbocharger on it. Which changed over to the 196 engine in Scout 800 series with a Turbo charger on it. The first I.H. farm tractor with a factory Turbo charger was a 1206 produce I think in 1965. I think this interesting because like I said the low combustion engines are for Turbo chargers. I learned that because I have already tried in on a high combustion engine and failed. Have a nice day. thanks for reading.
 
Interesting. Never knew a Scout could be had with a turbo. What do you mean by "low combustion" or "high combustion" engine?Never heard that term before.
 
That's why after running as much compression as they could, back in the 60's, pullers learned to "decompress" their engines when they entered the turbo era. We removed 1/4th inch off the tops of our first set. gm
 

It was the trucking industry that pioneered the use of turbo-chargers. Before the turbo-charger, there was the "Roots" type blower used on the GM, 2 stroke diesels, and later adopted by Chevrolet for use on the Corvette with the 427 fuelie engine, and also was adopted by the 1/4 mile dragster folks.

I believe that in the late '20s, early '30s, there was a super-charged engine in maybe the Stutz Bearcat?

And let's not forget the Studebaker Golden Hawk.
 
Hi It's not always about compression, it's how big the turbo is/well matched to the motor, how much fuel you put in it, how good the new/used motor was to start with, and how hot it gets running. Then the final real important bit how much like you stole it, do you want to drive it, I've seen guys destroy factory fitted turbo engines!!!.

There has been many stock diesel tractors over the years had aftermarket turbo or farmer shop built kits fitted to stock engines that have been fine driven right. Most of them just involved upping the oil pressure a bit for the turbo, and cranking the pump screw to match the fuel to air. The lucky tractors got done on a dyno or the pump went to the shop.

The unlucky ones got the screw turned till it smoked like the 8.15 express pulling hard up hill, and went to work. Many of those engines never had the pistons valves/seats or anything touched. We had a Belarus with an aftermarket kit it was a totally stock motor that went from 90 hp to 110hp with just oil pressure and fuel altered and still had more to give with no problems. we sold that tractor less the turbo kit and dropped the fuel and oil pressure back it went from a 1062 back to an 862 in 3 hours.
Regards Robert
 
Maybe wrong but showed up on planes before trucks I
believe. The altitude power loss without a turbo was big
trouble in ww2.
 
It is about detonation . In turbo or blower situation the compression will go as high as possible without detonation. Too low and the engine is sluggish too high and it detonates. In a high compression engine the squeeze of the compression starts to fight the incoming intake charge. But mostly will detonate which is rapid engine destruction.
 
(quoted from post at 10:51:15 09/20/17) AC D19 was the first tractor with factory turbo.

Nope the first tractor with a Turbo had steel tracks on it. Beat AC by years Cat D9 1955.....The AC D19 was the first rubber tire turbo diesel tractor available in the US.


The turbocharger was invented in 1905. So it's kinda old tech.

Rick
 
Brothers 340 (1970 Duster)was built with 8.5 compression. His really woke up after replacing the stock heads with a set of aftermarket aluminum ones.
 
The screaming Jimmy 2 strokes needed the
roots blower just to run. No intake valves.
Piston ported intake. The blower pushed the
air into the cylinder when the piston went
down. For higher performance some also had
turbocharger.
 
Old school turbo engines compression was usually lowered some compared to N/A, but that is not the trend for modern engines

Here is one example of a modern turbo engine

Ford 3.5L v6 ecoboost. 10.5:1 compression ratio, stock 12-14 PSI boost and only requires 87 octane. At those boost levels you are basically doubling the amount the air into the cylinders as it could draw in naturally aspirated.
 
What is one of those Olds intake manafolds with all the turbo stuff on it worth? I have one laying out back.
Bryce
 
Yes but believe it or not the supercharger {roots blower ] was invented way before the auto in 1850 for mine ventilation.
 

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