Live Tuning?
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Originally Posted by jtharvey
I sent an email to DDP asking them how many cc's my injectors were (.0075" EH 7 hole) and here is the response I got:
"Hi Jeremy,
I have to say honestly that we do not know. Back when we started doing PSD injectors we decided to rate them in Horsepower not cc’s. When you put a 7.3 injector on a test stand to measure cc’s you can easily manipulate how much fuel the injector flows by controlling pressure and all kinds of adjustments. We decided that getting into that game could be a risky one since maybe we might have tested them closer the actual factory specs than the next guy. Kind of like buying a car stereo that says it has 100 WATTS!!! of power built in. It is up to whomever the manufacture is to decide how many cc’s they want to call their injectors, not how many cc’s they flow with set guidelines standardized by the industry. So there you have it, my little explanation. Let me know if you have more questions.
Thanks,
Ross
Ross Fahlen
Director of Sales and Marketing
Dynomite Diesel Performance"
"Hi Jeremy,
I have to say honestly that we do not know. Back when we started doing PSD injectors we decided to rate them in Horsepower not cc’s. When you put a 7.3 injector on a test stand to measure cc’s you can easily manipulate how much fuel the injector flows by controlling pressure and all kinds of adjustments. We decided that getting into that game could be a risky one since maybe we might have tested them closer the actual factory specs than the next guy. Kind of like buying a car stereo that says it has 100 WATTS!!! of power built in. It is up to whomever the manufacture is to decide how many cc’s they want to call their injectors, not how many cc’s they flow with set guidelines standardized by the industry. So there you have it, my little explanation. Let me know if you have more questions.
Thanks,
Ross
Ross Fahlen
Director of Sales and Marketing
Dynomite Diesel Performance"
Thread Starter
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Elder User
Joined: Mar 2007
Posts: 889
Likes: 2
From: I'm there!
Originally Posted by Tenn01PSD350
That is not an answer. An answer would be along the lines of "at x psi pressure they flow x volume", not radio type FM theory stuff. We are not putting a man on the moon here. Totally unsat answer if you ask me. I bet someone there knows the flow answer.
NOT gonna happen...
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by powerstroked162
Atta boy
DDP is phenomenal. They have a nice shop over here in Monroe. Im goin with a set of their 530's next go round
Cowboy Steve
DDP is phenomenal. They have a nice shop over here in Monroe. Im goin with a set of their 530's next go roundCowboy Steve
Postmaster
Joined: Apr 2004
Posts: 3,658
Likes: 0
From: Ellensburg, Washington
Originally Posted by lostmybeer
Steve, where in Monroe is DDP? I'd like to make a visit?
Cowboy Steve
17631 147th ST SE #10
Monroe, WA 98272
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Originally Posted by strokin_it7.3
the tuner rides in your truck while you drive, he makes measurements and does cylinder pressure testing. Its all in the CP tuning, cylinder pressures can mean a strong running 400hp PMR safe truck or a 300hp truck with forged rods on the verge of bending. He can also tune the ICP, some trucks run better with 2800psi or some run better with 3600.
If i recall correctly, ThugLike from PSN had 565hp on a standard tune from DP based on just telling him what he had done. Then he got live tuned and i believe he went to 617 hp.
If i recall correctly, ThugLike from PSN had 565hp on a standard tune from DP based on just telling him what he had done. Then he got live tuned and i believe he went to 617 hp.
Did I get extra peak power from the tuning? No, I'm still running the same trap speeds and E/T's with my "tweaked" 140 extreme tune as I did with his out of the box standard big oil 140 extreme tune. However, now I'm running zero smoke right after the launch and all the way down the 1/4 mile. Jody has it running perfect.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Curtis, you bring up some good points, mainly that it's not all about extra peak HP. From what I hear, the truck becomes much more driveable after a live tune session with Jody.
I'm sure Kris will give us a full report after he gets his live tuning done...is that this weekend?
I'm sure Kris will give us a full report after he gets his live tuning done...is that this weekend?
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Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
I intend to get live tuned sometime after I get the new turbo installed. I'd like to get the turbo done sometime within the next month, then take a weekend trip with the GF to the area around Jody's for a little vacation. Get some tuning done on either a Friday or Monday, then head back home.