1fzfe vs 1hdFT/FTE (5 Viewers)

[LandCruiserPhil]

Phil, you now have a Safari Turbo 80 IIRC but are you using it or does the White one get all the love? Or, are they both White?

They are both the white color

 

[LandCruiserPhil]

Why Supercharged most hated? theoretically that should be most smoothest and balanced power gain (basically small turbo without the lag). What was bad about it?

Smooth until you put your foot in it. Also the hardest to cool and EGT is out of control.

 

[LandCruiserPhil]

I also drove a 79 series with a 1hdt that had been pumped up. Strong motor lots of power but it comes with black smoke

 

[Douglas S]

I also drove a 79 series with a 1hdt that had been pumped up. Strong motor lots of power but it comes with black smoke

That's a tuning issue.

 

[IanB]

That's a tuning issue.

X2, sounds like it needs more air/less fuel. Smoke isn't required to make power on a diesel.

 

[Will Van]

But it's not about the savings.
It's how it drives.
Nobody is crazy enough to throw $20k and hope to make it back at the pump.
What do we get in return when adding a turbo or a supercharger, or even a V8? Where is savings there?

Wouldn't it be nice to be able to go 400mi+ on a single tank and not having to worry about caring 2 or 3 gas can along?

Well said. If you're trying to recoup the cost of a diesel swap in fuel savings, you're doing it wrong. There are advantages to a diesel swap, including mileage/range, but no swap should be done for economic savings.

Diesel makes more torque than supercharged 1fzfe? by factory data, torque is about same for stock motors, 275 vs 280, while hp, gas has 50 more. This is exactly what my question is----are the spec numbers not apples to apples? as in 280 torque in diesel is more than 280 torque in gas?

I guess the answer is yes. If you're familiar with diesel motors, you probably know that you can't compare HP and Torque numbers on paper and consider them equivalent. A 150hp diesel feels way stronger on a calibrated butt-dyno than a 150hp gas motor of similar displacement. Diesel horses are stronger than gas ones. Also having all your torque at 1500rpm yields a way different driving experience than the same torque at 4000rpm.

Not apples to apples, IMO.

This will probably lead down a semantic rabbit hole. It's not a different unit of measurement, but generally speaking, com[paring a diesel and a gasser with similar rated output, the diesel will feel stronger.

Edit: also as Inkpot mentions, to make the diesel go faster, you just turn some screws or get a MBC. A SC has very limited tunability. A turbo on a 1FZ is very tunable, but with a higher degree of complexity and cost (assuming you started with a HDJ81, and not swapping one in)

It's not the peak horsepower and torque numbers that make a diesel appealing. Gas and diesel might have the exact same peak numbers. But if you look at the torque curve, that's where the diesel really shines. Diesel makes gobs of torque low in the RPM range. Couple that with a manual transmission, low transfer case gears, and low diff gears, and it will crawl up a tree at idle.

...and no, not that POS Cummins R28.

Nailed it. I hate the R2.8. $10k+ for 161 hp and 267 lb-ft torque? Pass.

Hell, it's slower 0-60 than a gas 1FZ!!! (7:15 in video).

From a "just keeps going" standpoint, my alternator failed once on a road trip. I was able to keep driving for an hour, stop the truck, fill up with fuel, start up again, drive another 2.5 hours, radio going the whole time, leave it parked overnight, start it and still drive again the next day. Mechanical fuel pump for the win, no way that would be possible on gas.

AWESOME!

If it's a manual and you leave it backed up on a hill, it will practically run forever! Just release the parking brake, let it coast, and let the clutch out. Vroom!!!

That is not true, I got exactly what I wanted and more

I lust over your 6BT swap. I just wish there were a reliable supplier for the 6BT/NV4500 swap kits.