The Baseline Dyno Comparison chart & Calculator

kdo2milger · 03-22-2009, 11:55 AM

a 37.7 whp gain is impressive! i wonder what the cobb will give us in addition to these gains as a stage 2 tune...

RCZ · 03-22-2009, 12:52 PM

Umm, yeah I saw this in your other thread. That is INSANE. I wonder what those + headers will do...

semtex · 03-23-2009, 11:20 AM

Anyone know the correct method for 'back-calculating' your whp to figure out what you're getting at the crank?

bullitt5897 · 03-23-2009, 12:19 PM

my car made 254.2 fly wheel is rated at 332

that is 23.5% drivetrain loss!!!

take that into account on Ben's car and you get 381.3 fly wheel hp!!!!!!!!!

that is freaking nuts!

*Note* I hope my math is right

bullitt5897 · 03-23-2009, 12:20 PM

this was also on a dyno dynamics which reads REALLY LOW!

bullitt5897 · 03-23-2009, 12:26 PM

if we take jyhighsky's numbers my car would have made rwhp (275 hp), fly wheel (332)
Ben's car would have made fly wheel (381.3), rwhp (315.86 hp)!

this is at 17.16% drivetrain loss

RCZ · 03-23-2009, 12:34 PM

I am so impressed with the numbers...

semtex · 03-23-2009, 12:38 PM

My calculations came out the same. But I wanted to check with the rest of you guys because I just sat there thinking 'naw, that can't be right. too good to be true!' LOL

MightyBobo · 03-25-2009, 09:22 AM

Quote:

Originally Posted by bullitt5897

my car made 254.2 fly wheel is rated at 332

that is 23.5% drivetrain loss!!!

take that into account on Ben's car and you get 381.3 fly wheel hp!!!!!!!!!

that is freaking nuts!

*Note* I hope my math is right

Uggg, dont be obsessed with numbers! Your numbers look just fine for a dyno that puts a load on the car, and its more ACCURATE than a dynojet. Now, if Dyno Dynamics dyno's dont put a load on the car, then its probably not nearly as good of numbers lol.

semtex · 03-28-2009, 06:41 PM

Just found this. They also got 256 whp (same as RCZ's baseline), but it's a 7AT! Not sure what kind of dyno that is.

Edit: Found some more info. That's the Superflow AutoDyn 30 chassis dyno at Technosquare.

ZforMe · 03-29-2009, 10:16 PM

Quote:

Originally Posted by semtex

Edit: Found some more info. That's the Superflow AutoDyn 30 chassis dyno at Technosquare.

Is this a simillar dyno to the one you and bullitt used?

semtex · 03-30-2009, 08:24 AM

No. Well, it's not the same brand. I don't know if it's similar in its numbers though. Interestingly, they got the same baseline as bullitt did. But the car in this video is 7AT, and bullitt's is 6MT.

KillerBee370 · 04-13-2009, 11:09 AM

Mine...

Close to sea level.
I dunno about air temp.

Link to more info HERE

t-ray · 04-14-2009, 12:10 PM

FYI - Doug Stewart (of crawford) used the figure of 17% for drivetrain loss(6MT), at least when using his local dynojet in nashville. I think that 17% is pretty close.

This was for the VQ35DE models. I can't imagine the efficiency of the drivetrain changing that much over the past couple of years, so I'd stick with the 17% figure for now.

B1nks · 09-11-2009, 05:27 PM

Getting my car dyno'd tomorrow on a DD so I'll post up the info on Sunday.

03-23-2009, 11:20 AM	#18 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	Anyone know the correct method for 'back-calculating' your whp to figure out what you're getting at the crank? __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

03-23-2009, 12:38 PM	#23 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	My calculations came out the same. But I wanted to check with the rest of you guys because I just sat there thinking 'naw, that can't be right. too good to be true!' LOL __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

03-28-2009, 06:41 PM	#25 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	Just found this. They also got 256 whp (same as RCZ's baseline), but it's a 7AT! Not sure what kind of dyno that is. Edit: Found some more info. That's the Superflow AutoDyn 30 chassis dyno at Technosquare. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf. Last edited by semtex; 03-28-2009 at 06:47 PM.

03-30-2009, 08:24 AM	#27 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	No. Well, it's not the same brand. I don't know if it's similar in its numbers though. Interestingly, they got the same baseline as bullitt did. But the car in this video is 7AT, and bullitt's is 6MT. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf. Last edited by semtex; 03-30-2009 at 08:30 AM.

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03-22-2009, 11:55 AM	#16 (permalink)
kdo2milger OG Priesthood Join Date: Feb 2009 Location: Fargo, ND Posts: 17,859 Drives: NISMO T Rep Power: 59	a 37.7 whp gain is impressive! i wonder what the cobb will give us in addition to these gains as a stage 2 tune...

03-22-2009, 12:52 PM	#17 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1118	Umm, yeah I saw this in your other thread. That is INSANE. I wonder what those + headers will do...

03-23-2009, 12:19 PM	#19 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3682	my car made 254.2 fly wheel is rated at 332 that is 23.5% drivetrain loss!!! take that into account on Ben's car and you get 381.3 fly wheel hp!!!!!!!!! that is freaking nuts! Note I hope my math is right

03-23-2009, 12:20 PM	#20 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3682	this was also on a dyno dynamics which reads REALLY LOW!

03-23-2009, 12:26 PM	#21 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3682	if we take jyhighsky's numbers my car would have made rwhp (275 hp), fly wheel (332) Ben's car would have made fly wheel (381.3), rwhp (315.86 hp)! this is at 17.16% drivetrain loss

03-23-2009, 12:34 PM	#22 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1118	I am so impressed with the numbers...

04-13-2009, 11:09 AM	#28 (permalink)
KillerBee370 A True Z Fanatic Join Date: Mar 2009 Location: So Cal baby! Age: 51 Posts: 5,964 Drives: with passion Rep Power: 321	Mine... Close to sea level. I dunno about air temp. Link to more info HERE

04-14-2009, 12:10 PM	#29 (permalink)
t-ray Base Member Join Date: Apr 2009 Location: bham al Posts: 91 Drives: 05 g sedan 6mt Rep Power: 16	FYI - Doug Stewart (of crawford) used the figure of 17% for drivetrain loss(6MT), at least when using his local dynojet in nashville. I think that 17% is pretty close. This was for the VQ35DE models. I can't imagine the efficiency of the drivetrain changing that much over the past couple of years, so I'd stick with the 17% figure for now.

09-11-2009, 05:27 PM	#30 (permalink)
B1nks Track Member Join Date: Apr 2009 Location: Houston,Tx Posts: 721 Drives: 2009 370Z Base 6MT Rep Power: 507	Getting my car dyno'd tomorrow on a DD so I'll post up the info on Sunday.