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I have read about many people doing this, you should do a search on 300 turbo. I personally think that would be the perfect motor if you could perfect it. Just think a motor that could last almost forever if well maintained, and enough power to be happy with the truck. I currently have a 5.0 due to the 300's lack of power. I kinow it can be done, and iIf you decide to do it, by all means post some pictures. I would love to see some pictures of it.
Diflies - ignore everyone who says "why bother". There is absolutely nothing wrong with turbocharging the I300, or any other motor for that matter.
The advantage of turbocharging the I300 is simple - you don't have to swap the motor, figure out the bellhousing, and in some cases (91ish+) you have to swap the entire transmission because the bell is cast into the tranny housing.
If you think about it for a second, back in the mid 80's there was this "black car" which had a V6, 238cid, and turbocharged. These were some of the fastest "factory" american cars in a loooooong time. Yes, I'm talking about the Buick Grand National. Ugly car in my opinion, but then again I'm a Ford bigot. But regardless what you think of the car's appearance, they are *fast* and they are *six cylinders* and the engine is *smaller* than the I300.
The hardest thing about installing a turbocharger into a truck is that the ECM's are not hacked as well as the GM stuff (and I guess the Mustang stuff, which is different than Truck EFI stuff). So, to run this "properly" and add fuel to compensate for the additional "huffed" air, you will more than likely need to change the EFI system as well. Because Fords I300 EFI cannot really understand over-atmosphere pressures, its just not designed to do that. Converting to MAF might help, but the well-hacked ECMs are from the Mustang crowd - mostly V8.
GM EFI is another option, but then you have a *lot* of wiring, sensor changing, coding, etc, but its very doable. Thats the route I chose... 500cid stroker, 7:1 c/r, twin turbos, GM EFI.
Not everyone uses their rig for offroading. The most "offroad" my F350 crewcab has seen is a gravel driveway. Trucks are different things for different people. Some like to bounce them off boulders. Some like to drive in waist deep mud. Some like to forge rivers with a snorkel. Some use their trucks to haul bricks, lumber, rocks, gravel, sand, road salt, plywood and sheetrock. Some use their trucks for camping, fishing. Some tow race cars, horses, motorcycles, hay, junkyard parts. Some even haul rotten cabbage to the dump
Some trucks have never seen more of a load than a family of five and several sets of roller skates. For some, its a minivan with the convienence of an open bed. Some people just drive trucks because they feel safer and sit higher on the road. Some just have a truck fetish, and feel "manly" driving one.
There are many, many reasons for someone to own/drive a truck, that's entirely cool. Personally, I tend to supercharge and turbocharge anything that passes through my stables because I can. Because I want to learn. Because I enjoy it.
And to be fair, my last turbo-truck was a 1975 Dodge D200 extended cab, a rickety, old pickup with a twin-turbo 451 stroker. There is nothing more exhilirating (for me) than out accelerating a rich guy in a brand new C5 corvette, in a very squeeky, manual everything, 6000lb Dodge pickup with 20 sheets of plywood in the bed. Sad I had to let that project go. My F350 crewcab replaces that project, and I'm essentially doing the same thing. Slightly bigger, slightly heavier, slightly more boost. Should be just as fun to drive. And isn't that the point? Fun?
Anyway, sorry for the commentary, was just trying to trigger some out of the box thinking, hope you don't mind.
From a practical standpoint, he could do a swap to something larger, maybe the 460, a SBF stroker, etc, but there is a certain "cool factor" with doing something thats absolutely out of the ordinary. I would consider a turbocharged I300 "out of the ordinary".
Plus, he wouldn't have to change the transmission, the gearing, et al. Just build the motor appropriately for the amount of boost he wishes to run, and enjoy the gas pedal.
Some of us are "in the box"...
Some of us are "out of the box"...
Some of us have no box
My best friend just turbo'd his 89 F150 300-6. I gave him a turbocharger off of a 6.5 Chevy that I got at work (Chevy dealership) and he put it on there (did a heck of a job, too) and I tell you what, it'll outrun most any 351W out there. It works beautifully with no lag and very little computer trickery. See pics at www.billingsautoconnection.com "MISC. LINK" The only things he HAD to do were the installation of larger injectors (14 lb. per hr. stockers wouldn't cut it) out of a 302 and he had to unplug the MAP sensor. He wastegated it at about 9 lbs. boost and it will easily make that at 1400 RPM and up. 3 inch straightpipe sounds like a mini-cummins. I can't wait to twin-turbo my progect 521!!
I got good news! I saved a ton on my automobile insurance by outrunning the cops!
Last edited by cleatus12r; 08-06-2004 at 11:39 PM.
I, too, would like to *someday* turbo my 300. It's probably the best truck engine ever built, considering it's longevity, and it's nearly flat torque curve. The only drawback is that it is a bit underpowered out on the road, and runs out of steam by 4000 RPM. That's not too bad if you've got a late-model with a 5-speed, and better yet if it's the ZF, since it's got such a low first and gives you the best of both worlds. The restrictive head and lack of many aftermarket performance parts makes it a perfect candidate for turbocharging. Just a little boost to give it a shot in the arm without going nuts... I'd think a diesel turbo would be a good starting place from a cheap, junkyard parts perspective, because the thing is darn near like a diesel in its' general characteristics. Something that would start making boost right off idle, but wastegated pretty low should take advantage of it's strengths and weaknesses. The GM EFI is the way to go for almost anything IMHO. "Purists" may balk at it, but it's dirt cheap, widely available, and hacked to death. You can get everything you need to use flash chips, (including the chips) and program them yourself delivered to your door in a couple of days for under a hundred dollars. The hot ticket for this would be what the GM turbo guys are using a lot: Computer from a turbo Sunbird and MAP sensor for the same. Re-program the chip and go with it. Not THAT much wiring to install either (Already done one harness, getting ready for my second). Going this route would solve many if not all of the mentioned problems. Hmmm...think I'll go hit the junkyard today and see what they have in the way of turbos....
__________________ People who say "violence never solved anything" obviously slept through history class.
There are differences between them as far as driver chips, and number of mosfets, but without using peak and hold injectors, you can use either ECM with the $58 syclone/typhoon code (set for I4, V6, V8 depending on your engine choice).
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