Bolt-on power gains...?

6MT · 06-08-2009, 01:56 PM

I just ordered a few bolt-on items for my 370Z. They are the Stillen HFC, cat-back exhaust, Gen-2 Cold air intake. The other is the sway bar kit, but there's no HP gain in that ;-)

What I was wondering was what the WHP gains from adding these components would be? I am guessing in the range of 20WHP. Am I close?

ChrisSlicks · 06-08-2009, 01:58 PM

The Gen-2 intake dyno'd at only 2 hp gained, that's why they came out with the Gen-3 for the 3.7 motors with a claimed 18 hp.

nogoodname · 06-08-2009, 02:00 PM

they got like 14 hp on some ppl's dynos...not bad...the G3's though

semtex · 06-08-2009, 02:23 PM

Every car is different. You should get a baseline dyno done, then another one after all your parts are installed. Then share your results with the rest of us!

I think you should expect ~30whp, possibly a little more, possibly a little less.

6MT · 06-08-2009, 02:36 PM

Thanks for the info. It was a bit higher than I had estimated. And yes, I should have a baseline dyno to work with. But, the car will be having all these goodies installed after the PDI at the dealership before I take delivery... so that Dyno is going to be impossible.

Thanks again to all...

Quote:

Originally Posted by semtex

Every car is different. You should get a baseline dyno done, then another one after all your parts are installed. Then share your results with the rest of us!

I think you should expect ~30whp, possibly a little more, possibly a little less.

semtex · 06-08-2009, 02:42 PM

Quote:

Originally Posted by 6MT

Thanks for the info. It was a bit higher than I had estimated. And yes, I should have a baseline dyno to work with. But, the car will be having all these goodies installed after the PDI at the dealership before I take delivery... so that Dyno is going to be impossible.

Thanks again to all...

Aw man, that almost takes the fun out of it, because you don't get to feel the difference after you get used to the stock power and then get the bump in power from the gmods. You'll just have the extra power from the start and that'll feel 'normal' to you. Ah well . . .

Phimosis · 06-08-2009, 02:50 PM

Quote:

Originally Posted by semtex

Aw man, that almost takes the fun out of it, because you don't get to feel the difference after you get used to the stock power and then get the bump in power from the gmods. You'll just have the extra power from the start and that'll feel 'normal' to you. Ah well . . .

jes go test drive a different Z.

6MT · 06-08-2009, 03:01 PM

Yep, I have driven a Z twice now. Both 6mt...had a blast but scared the sh**t out of the salesman. (And that's why people should never buy a performance sports car that's been test driven.)

06-08-2009, 01:56 PM	#1 (permalink)
6MT A True Z Fanatic Join Date: May 2009 Location: ITU Zone 2 Posts: 22,459 Drives: Reliant Robin Rep Power: 1789	Bolt-on power gains...? I just ordered a few bolt-on items for my 370Z. They are the Stillen HFC, cat-back exhaust, Gen-2 Cold air intake. The other is the sway bar kit, but there's no HP gain in that ;-) What I was wondering was what the WHP gains from adding these components would be? I am guessing in the range of 20WHP. Am I close? __________________ Andrew 2009 370Z Sport/Touring 6MT sold 2013 Honda Civic Si coupe D/D

06-08-2009, 02:23 PM	#4 (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	Every car is different. You should get a baseline dyno done, then another one after all your parts are installed. Then share your results with the rest of us! I think you should expect ~30whp, possibly a little more, possibly a little less. __________________ "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.

06-08-2009, 03:01 PM	#8 (permalink)
6MT A True Z Fanatic Join Date: May 2009 Location: ITU Zone 2 Posts: 22,459 Drives: Reliant Robin Rep Power: 1789	Yep, I have driven a Z twice now. Both 6mt...had a blast but scared the sht out of the salesman. (And that's why people should never buy a performance sports car that's been test driven.) __________________ Andrew 2009 370Z Sport/Touring 6MT sold 2013** Honda Civic Si coupe D/D

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06-08-2009, 01:58 PM	#2 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 653	The Gen-2 intake dyno'd at only 2 hp gained, that's why they came out with the Gen-3 for the 3.7 motors with a claimed 18 hp.

06-08-2009, 02:00 PM	#3 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	they got like 14 hp on some ppl's dynos...not bad...the G3's though