Feb-01-2020 04:53 AM
Feb-04-2020 10:01 AM
danrclem wrote:
It didn't take hotrodders very long to start working on this engine.
https://www.msn.com/en-us/autos/enthusiasts/fords-73-liter-v-8-can-make-600-naturally-aspirated-horsepower-with-basic-mods/ar-BBZC4PB?ocid=spartandhp
Feb-04-2020 06:53 AM
ShinerBock wrote:4x4ord wrote:
Wouldn't you expect a naturally aspirated engine to be at a much greater disadvantage than a turboed engine at higher elevation?
Yes, and I stated that it was impressive multiple times in this thread. However, I was just commenting on Fish's post were he said the 7.3L almost had the same time as the GM and Ram diesel pulling the same weight. I was merely stating that this was due to the 60 mph speed limit and that even the new Powerstroke would have a similar time due to the max speed of the test. All three diesels would likely be able to accelerate past 60 mph especially at the bottom of the hill. The 7.3L on the other hand was giving it all it had just to get close to 60 mph. Not saying it isn't impressive because it is.4x4ord wrote:
Edit: How are you comming up with a starting elevation of 8835 ft? The elevation of Silverthorn is 9035 and Dillon is about 9100 ft.
Look at it in Google Maps in bicycle mode.
LINK
Feb-04-2020 05:44 AM
4x4ord wrote:
Wouldn't you expect a naturally aspirated engine to be at a much greater disadvantage than a turboed engine at higher elevation?
4x4ord wrote:
Edit: How are you comming up with a starting elevation of 8835 ft? The elevation of Silverthorn is 9035 and Dillon is about 9100 ft.
Feb-04-2020 03:46 AM
danrclem wrote:
It didn't take hotrodders very long to start working on this engine.
LINK
Feb-04-2020 02:23 AM
Feb-03-2020 07:35 PM
Feb-03-2020 07:35 PM
ShinerBock wrote:4x4ord wrote:ShinerBock wrote:How far is it 7.7? The point I'm making is that there wasnt a whole lot of extra power on tap because the Duramax only produced 341 hp with wide open throttle in the 30k test. Do you think, based on these test results, that the Duramax would out pull a 7.3 gas engine towing 16 k lbs at a more typical 3000 -5000 ft elevation.4x4ord wrote:
The run is only 7.6 miles long. The average incline is a 5.3 % grade with the top part being steeper. Godzilla averaged 52.4 mph. The Duamax ran full throttle pulling 30k at about 38 mph average speed. The math works out that it only developed an average of 341 hp at the crank during that run. Godzilla had to develop nearly identical HP to pull 16 k up at 52.4 mph.
Plotting from the sign on the on ramp in Silverthorne that they use as a starting point to the traffic lights at the top at the tunnel that they use as the end is more than 7.6 miles. Also, we are not talking about the 30k lb trailer runs the diesels made. We are talking about the 16k trailer runs that Fish posted earlier in his usual attempts to throw dirt on other brands. What I am trying to tell him is that even the new Powerstroke would have a similar 8:XX time because the test is limited to 60 mph.
It is almost 7.9 miles based on Google maps and it starts at 8,835 ft and ends at 11,135 ft. So the best possible time a truck can get is 7:54 seconds IF it starts out the run at 60 mph and stayed there the whole way. This is not the case and it takes some time to move a truck towing 16k from 20 to 60 mph up an incline above 8,000 ft altitude.
And yes I think the Duramax would still outrun the 7.3L at 3,000-5,000 ft because the engine will make more power than it does on the Ike. As I stated in another thread, the power an engine makes is not static and is always changing depending on many external conditions and engine design. Not to mention the gearing and trans programming also makes a huge difference in how well the engine can stay within it's power band.
Feb-03-2020 06:53 PM
JRscooby wrote:
I buy a new vehicle every 20 years or so. I have always thought a diesel pickup was not the best idea for most buyers. If you drive less than about 10000 miles a month, the price of fuel would never save the cost of the upgrade. The extra long life of the engine is mostly wasted because most pickups are not junked because the engine wore out. Then add the problems the emission controls cause, and the outrageous cost of some repairs that are needed by too high percentage of owners.
I'm thinking that the big spark plug motor might be a good choice...
Feb-03-2020 04:07 PM
Feb-03-2020 02:45 PM
Feb-03-2020 02:16 PM
JRscooby wrote:spud1957 wrote:
I see this as my only option for my next tow vehicle IF I want to stay with Ford. Just can't see myself buying a Ford 6.7. I would always be wondering when the fuel pump is going to grenade. Neighbour here at our park in Largo had his 2016 die last week. The fuel pump took out the fuel system. 30,000 miles on the truck!!
THERE WAS NO WATER IN THE FUEL AND WARRANTY IS COVERING IT.
IF I go diesel it will probably be a 2017+ GM.
S
I buy a new vehicle every 20 years or so. I have always thought a diesel pickup was not the best idea for most buyers. If you drive less than about 10000 miles a month, the price of fuel would never save the cost of the upgrade. The extra long life of the engine is mostly wasted because most pickups are not junked because the engine wore out. Then add the problems the emission controls cause, and the outrageous cost of some repairs that are needed by too high percentage of owners.
I'm thinking that the big spark plug motor might be a good choice...
Feb-03-2020 01:58 PM
spud1957 wrote:
I see this as my only option for my next tow vehicle IF I want to stay with Ford. Just can't see myself buying a Ford 6.7. I would always be wondering when the fuel pump is going to grenade. Neighbour here at our park in Largo had his 2016 die last week. The fuel pump took out the fuel system. 30,000 miles on the truck!!
THERE WAS NO WATER IN THE FUEL AND WARRANTY IS COVERING IT.
IF I go diesel it will probably be a 2017+ GM.
S
Feb-03-2020 01:43 PM
Feb-03-2020 12:08 PM
FishOnOne wrote:
I wasn't throwing dirt at a brand but making a point of how a new 2020 gas engine compared to some 2020 diesel's pulling the same weight.
It's interesting that you now take the easy route and point blame.
Feb-03-2020 12:01 PM
ShinerBock wrote:4x4ord wrote:
The run is only 7.6 miles long. The average incline is a 5.3 % grade with the top part being steeper. Godzilla averaged 52.4 mph. The Duamax ran full throttle pulling 30k at about 38 mph average speed. The math works out that it only developed an average of 341 hp at the crank during that run. Godzilla had to develop nearly identical HP to pull 16 k up at 52.4 mph.
Plotting from the sign on the on ramp in Silverthorne that they use as a starting point to the traffic lights at the top at the tunnel that they use as the end is more than 7.6 miles. Also, we are not talking about the 30k lb trailer runs the diesels made. We are talking about the 16k trailer runs that Fish posted earlier in his usual attempts to throw dirt on other brands. What I am trying to tell him is that even the new Powerstroke would have a similar 8:XX time because the test is limited to 60 mph.