Mine Too

[maxaholic]

This was also my first dyno, as I was at the same event with Tyler and Jeff (wikdlmm). We had a blast and and I was pleased with how the truck dynoed. My max ended up being 467hp and 1189tq. The hp number was lower than I expected, but hey that is usually how it goes. I guess it is time to find another dyno and do some real time tuning.

I was more impressed with a buddy's truck. He had an injector issue, lb7 who woulda guessed, that started the morning of the event. He ended up dynoing right at 434hp and 850tq despite the foot high flame coming from the stack.

 

[othrgrl]

You run your own tuning? The hp/tq ratio seems a little funny for a Dmax. Nice numbers none the less.

 

[Gasuout]

Congrats .... the flames coming out of your buddies stack would have been a good pic .

Usually a ford thing .

 

[maxaholic]

Haha yeah we've got some pics just waiting to get them emailed to me.

On the tuning side, I've got a buddy that is self taught. He bought EFI from McRat and my tune started out as one that Pat built. Or that is what he said.

But just thinkin, I have heard that tires other than a street or all terrain ie: mud tires have an effect on your hp numbers. I was running some Cooper Discovers STTs. Another duramax that was supposed to make some serious numbers was running the same tire and his numbers were way off. Feel free to correct me as I am here to learn.

 

[Gasuout]

maybe if traction was an issue on the rollers I could see this

 

[othrgrl]

On the tuning side, I've got a buddy that is self taught. He bought EFI from McRat and my tune started out as one that Pat built. Or that is what he said.

No offense to your buddy but last I knew Pat's LBZ race tune normally puts down over 500hp. If the dyno isn't way off you might want to rethink the tuning.

 

[maxaholic]

I am going to talk to JT (my tuning buddy) to see if I can get a second opinion on my tune. And maybe hit a diffrent dyno.

No matter what I'm thrilled at what it put down.

 

[Huntinducks82]

Nice #s congrats

 

[maxaholic]

Scratch that, I just talked with him and he built my tune from my stock tune.

 

[Big Block 88]

Still good numbers it's good to see a ZF truck puttin down good numbers

 

[Kat]

Congrats :rockon:

 

[tylerrustLB7]

It was nice meeting yall, congrats.The flame was alittle scary

 

[2500HeavyDuty]

nice numbers, wish i could have been there

You run your own tuning? The hp/tq ratio seems a little funny for a Dmax. Nice numbers none the less.

how does 382/879 sound for weird?

 

[wikdlmm]

ya it was nice meeting all of you. next time i would like to go to a better organized event.

 

[2500HeavyDuty]

i might be able to make it to the event in ennis, but parts for injectors wont be here till next monday

so it might be a little bit sketchy. hope i can go

 

[maxaholic]

Yeah it was nice to meet yall too, and get to talk to someone that you met on here.

 

[tylerrustLB7]

Yeah it was nice to meet yall too, and get to talk to someone that you met on here.

You going to go to Innis? They are having a Dyno there to. I will get my chance there to see what I can lay down.

 

[SSchmi5519]

Why are those numbers weird?

I put down a 460/890

 

[maxaholic]

I don't know if we will be able to make it out to Ennis or not. I've got to save like mad to pay my income taxes.

As far as the numbers being wierd I don't know what to say. I've got the dyno graph if no one believes me.

 

[othrgrl]

434/850 = .511 sounds pretty normal
460/890 = .517 sounds pretty normal
467/1189 = .393 sounds more like a Cummins

Most 450+hp Duramax's I've seen or put on the dyno put out torque up to double the horsepower - 1189 is way over double 467. I'm not saying or even trying to imply that maxaholic is lying about his numbers - I'm saying the dyno isn't showing what his truck really has for hp. I was just pointing out that the ratio seemed wierd as a possible reason hp was lower than expected. It could have been that it wasn't ran out far enough to get to the peak hp (doubtful), could be a tuning issue in the top end, could be rail pressure, turbo might not have spooled to near what it sees on the street. With that much torque a Dmax typically puts out higher hp #'s.