PM3 Comp Level 6 vs 9

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Jul 23, 2003 | 09:38 AM

#16

CTD99

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From: Ramona, CA

Re:PM3 Comp Level 6 vs 9

Quote:

There have quite literally been dozens of dyno tests posted on the TDR and DTR. On a Mustang or SuperFlo loading dyno, the TST box was out in front every time. On an inertial, the Edge Comp managed to get the nod. Rod

So what's the difference between the dynos? Is one preferred over the other? Russ

Jul 23, 2003 | 10:35 AM

#17

Push Rod

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From: Drive till ya hit a Polar Bear, then go back 50 miles

Re:PM3 Comp Level 6 vs 9

[quote author=CTD99 link=board=7;threadid=17399;start=15#163122 date=1058971098] So what's the difference between the dynos? Is one preferred over the other? [/quote] In layman's terms, the inertial dyno simply calculates horsepower based on how long it takes to accelerate a known weight. A loading dyno will actually throw a load to the truck, and measure how much load the truck can handle. From this load, the torque output can be measured. As for preference, thats kind of a loaded question. I prefer SuperFlo loading dynos. They _really_ load the truck down, almost to the point of stalling, and give you a very accurate indicator of how much useable HP you're making. Other preferences will vary. Rod

Jul 23, 2003 | 10:40 AM

#18

banshee

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From: Raleigh, NC

Re:PM3 Comp Level 6 vs 9

Chris, I get about 15 more horsepower on level 9 vs level 6 on my TST PM3 comp. I think that the stock turbo and stock injectors limit the power at the higher levels because it simply won't flow enough fuel and provide enough air. Trying to stack a box with your PM3 might help some, too. I also agree with rod that load dynos are the best for our diesel trucks. Dynojets are great for gassers, but my turbo won't fully spool (36psi on the dyno... 43 on the street) until a little after 3000 rpms. I think it's funny that the dynojet shows my peak torque at 2650 rpms

. I've talked at length with a good friend of mine who did his masters thesis on dynos, and he agrees the dynojets aren't worth much for us for a true power curve reading.

Jul 26, 2003 | 10:25 AM

#19

DavidTD

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From: Gillsville, Georgia

Re:PM3 Comp Level 6 vs 9

I think loading dyno's in most cases will show a higher number. Running a turbo'd vehicle up to RPM and applying a load to drag it down will definately work the engine and turbo's as hard as possible. Personally I don't like the stress of this in a high HP motor. With a Dyno Jet, I feel it is a better reflection of acceleration and spool-up of the combination. It's funny how you see some set-ups reach max boost, and others not. I guess both should be thought of as "tools" for performance tuning. It's not really the number anyway htat counts but how hard it will pull or fast it will run. ;D

Jul 26, 2003 | 12:36 PM

#20

PourinDiesel

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From: Southern, Indiana

Re:PM3 Comp Level 6 vs 9

Either way, If your going with an Edge Drag Box or the TST PM3/Edge combo. Your going to be doing a good thing. The Edge Boxes to the best of my knowledge have the fastest electronic 24 valves out there. For instance: The John Russin truck that ran a 12.1 on single turbo diesel only. Jetpilots truck when he was electronic, nitrous and single turbo 12.1. David does bring up a good point which I have heard from others in the industry that the Mustangs are hard on parts and have popped turbos. David's dynojet has been right on from what I have seen at 3 different dyno events. I think you can get higher numbers out of Mustangs since they do load the engines but their numbers are not as reliable in my opinion. I ran last year at Scheids (home of the most powerful pulling truck that exists) and dynoed 332hp and 920ft lbs??? looks to me like those numbers were flawed (torque a little high?). ;DJustin

Jul 27, 2003 | 11:14 AM

#21

Push Rod

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From: Drive till ya hit a Polar Bear, then go back 50 miles

Re:PM3 Comp Level 6 vs 9

[quote author=PourinDiesel link=board=7;threadid=17399;start=15#164371 date=1059240993] I think you can get higher numbers out of Mustangs since they do load the engines but their numbers are not as reliable in my opinion. I ran last year at Scheids (home of the most powerful pulling truck that exists) and dynoed 332hp and 920ft lbs??? looks to me like those numbers were flawed (torque a little high?). [/quote] Justin does bring up an important point. Dyno setup, and dyno operator can influence the numbers on any dyno. We've seen offbeat numbers from Mustangs, SuperFlos, and DynoJets. To check your numbers, remember this simple formula: HP = Torque x RPM/5252 At each point in the RPM curve, your HP and torque numbers should roughly balance against one another when the above formula is applied. If you get wild variations, the dyno setup or operator is out to lunch. Rod

Jul 27, 2003 | 02:19 PM

#22

BigBlackDodge

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Re:PM3 Comp Level 6 vs 9

Stamey said

Quote:

Well, as my sig says, I have an ETC. When I ran on the dyno we didn't see much difference, and when I ran at the track Friday night I did not see any difference. That's why I wonder if I need to have injectors because, possibly, my injectors are flowing all they can by level 6 and the higher levels don't matter because the injectors won't allow the fuel to pass. All in all, I REALLY like the box though. It provides plenty of ;D Chris

INJECTORS: Stock flow injectors are very limited on the amount of fuel they will inject into the combustion chamber. This is where the power comes from; the injection of fuel. The more you inject the more horsepower and torque your engine will produce. Stock injectors are very hard on camshafts when the fuel pressure has been increased. Always install the next size larger injector if you want power My BD PnP was a great improvement over stock - put in the 275's (since I pull heavy loads on a constant basis and wanted to keep heat to a min) and man - talk about run! With your higher hp box, I would consider larger injectors a must have item.