2 more diesel 80s from Proffitt's

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Here's numbers from a mild 4BT (bosch 190 injectors, HY35W turbo)

This taken from here: http://www.4btswaps.com/forum/showthread.php?t=109&page=3

"Peak H.P. (rear wheel) was 181 @ 2,800 RPM. Peak Torque (rear wheel) was 363 @ 2,300 RPM.

Boost pressure on the last run was 26.5 psi, just 0.5 psi short of may last recorded max, so I think they put on a fair load for my test. The test was performed in 1:1 gear (4th, more like 1:0.80 because of the oversized tires) and I could see the boost climbing rapidly around 2,000 rpm."
 
gifu said:
Boost pressure on the last run was 26.5 psi, just 0.5 psi short of may last recorded max,
Click to expand...

:eek: at this boost I will blow my 2H :frown:
 
Ya, I dont like that either. I wouldnt mind, say 15 or so, but not 26 for God's sake.
 
the Cummins can safely handle 35... even 40. After that, you really need to switch to a copper headgasket and modify the headbolts? i think to keep from blowing the gasket. Couple guys I've talked to building drag-race 4BT, claim over 100PSI.
 
big difference re boost numbers is the direct injection of the cummins motors.. They can handle a lot of boost. But 20 psi is fine, good power and mileage, most of that after is wasted energy unless you are building are real racer..

Anyway, it is pretty easy to get 140,150 hp by turning the screws a little and maybe a mild turbo upgrade (which are all pretty cheap). even stock the power is great, at 140, 150 hp they are pretty damn powerful, more powerful than a V8 in my opinion on the highway..
 
Like Enzo Ferrari used to say, "Hp sells cars and Torque wins races". Who cares what the HP ratings of these babies are.... Give me some torque numbers.......:grinpimp:
 
Ok ok ok ok ok .. how much boost come with those cumming engines ( 4BT or 6BT ) factory .. ? and compresion numbers . ?

If my 2H come with factory 188 lb/p ( I hope when was new ) now with 14 PSI I hope I have more than 200 lb/p ..

But if a 4BT come with factoty what 10 PSI ..and you push it to 20 PSI and factory come with what 220 lb/p now have 300 .: ?
 
with my GM style 4BT, it boosted about 12 to maybe 15 psi pushing it at stock settings.. The more boost you add, the more air there is to consume the fuel you have in the system. But you can only get as much power as the quantity of fuel you have... So, if you have more boost, does not = more power, fuel = more power. But in the case of some of the less powerful NA motors, for example 2H, etc. You can add fuel, but it won't do anything because there is not the air there to consume it.. So it is a mixture of both. But regardless, more air = more power = more efficiency.. So starting with a turbo is great if you ask me..

But to confuse things a little more, you can get more power and boost especially with these motors simply by turning up the fuel.. :grinpimp:
 
tntoyota said:
what about the trans? :confused:
Click to expand...

What about the trans? Are you questioning wether a heavy duty built 700R4 will hold up to the torque and hp of the 4BT? FYI, Yes, yes it will. Sure, 700R4's had a bad rap in the first few years of production but GM got that all worked out. We have each 700R4 built for heavy duty applications.

BTW, since I am answering your questions. What the HELL does this MEAN?!



"Let me get this straight?


Diesel conversion, mucho $$


Diesel + 700r4 = ??????????


If you wanted part time 4WD why..............................................?


...................oh never mind


Priceless..........................or Proffitts??????????"



If you think diesel conversions are expensive..........don't do one. They are not for everyone. But, just to let you know, the average price for a 4BT conversion is b/w $12K-$14K. This includes everything you need including a 4" lift and a lot of times, includes tires. Your rig comes in as a gasser and leave as a diesel. You get almost double the fuel mileage and are able to run on bio-fuels if you choose.

Part time 4WD?! Isn't it obvious.............fuel mileage. Some people choose to retain their full time 4WD but most don't. The part time 4WD is a big bonus in my opinion. Again, these conversions are not for everyone.

Now back on track:
Gifu: Thanks for posting up some #'s. That is awesome stuff right there. We really like these 4BT's and those #'s definitely prove that it is a damn good engine for an 80 series. ;)
 
This would be a good Proffit conversion.

We have secured a large shipment of powerstroke 2.8 4 cylinder turbo diesel engines. These are NEW with warranty check out the pic. If you're interested in putting them into your Wrangler or Ford Ranger pickup, give us a call. Engine specs are:
2785 direct injection turbo diesel 4 cylinder
138 PS @ 3800 rpm
torque 277 ft/lbs @ 1400 rpm
Bosch VP14 (non electric)
Variable Geometry Turbo
Intercooled

More info about this engine...
Parts are available through International USA. They cost about $5000 shipped. These are NEW with warranty from local dealers. The best thing about this engine is their adaptability. You can put in front of:
NV series transmissions
AX series transmissions
R series transmissions
W series transmissions
It's a direct bolt into the USA model ford ranger pickups
Electrically, this is a true one wire engine (one wire to fuel cut solenoid)
Power specs are astounding:
277 ft/lbs torque at 1400 rpm
Direct injection turbo diesel with variable vane turbo
Bosch pump
intercooled from factory
2 stage injectors
You can manually turn the fueling up and get 350 ft/lbs quite easily
Add some larger injectors and you're sailing towards 375-400 realistically

From these guys
http://www.dieseltoyz.com/
2.8 liter Power stroke.webp
 
We looked into them awhile ago. Might still consider it, if there were a demand. TLC is using them in their Icons and say that it is a great motor for a 40.
But, the Aussies don't particularly care for them. Not sure why. Advance Adapters even makes an adapter to a GM tranny. Probably a pretty good engine but we have not had much interest in them.
 
I would be very interested in them especially if they don't require a 4" lift. They can't be all that bad if TLC is using them...
 
hks3sgte said:
Land Rover guys love them...
Click to expand...

Not all of them. The 2.8HS is nice, but timing belts, aluminum cylinder head and a history for broken pistons, spun bearings and general shoddy performance has me less than sold. Not to mention a very questionable legality VS EPA / EC regulations. I would stick to a federally certified EPA engine.

I would stick to industrial duty instead of automotive duty.
 
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