CAR V2 650 HP 350Z Update: Complete!
09-08-2006, 07:51 PM
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CAR V2 650 HP 350Z Update: Complete!
Well, we've been at it for quite a while on our project 350z. Tonight (yea, friday - we love this stuff!) we put the final tune on the fairlady. She threw down heavy. I welcome everyone to follow the link for more specifics. Here's the final numbers:
500 WHP and 500 ft/lb TQ at 15 psi on 93 octane
565 WHP and 576 ft/lb TQ at 18 psi on 93 octane
624 WHP and 674 ft/lb TQ at 24 psi on 118 octane
Stock cams, heads, plenum, throttle body, and ignition. Basic built bottom and GReddy twins. It's late and were tired. All tunes were on the conservative side of 11.5 afr. Timing was also kind. We were gonna tune more on the race fuel, but fatigue won. We're happy with the numbers. The OE cams really are a restriction under high boost. We may put some Scott Performance FI cams in and retune. The car is for sale, so whatever happens first.
The fuel system pics and dyno charts will be up over the w/e.
http://carv2.com/site/project_detail.cfm?id=247
500 WHP and 500 ft/lb TQ at 15 psi on 93 octane
565 WHP and 576 ft/lb TQ at 18 psi on 93 octane
624 WHP and 674 ft/lb TQ at 24 psi on 118 octane
Stock cams, heads, plenum, throttle body, and ignition. Basic built bottom and GReddy twins. It's late and were tired. All tunes were on the conservative side of 11.5 afr. Timing was also kind. We were gonna tune more on the race fuel, but fatigue won. We're happy with the numbers. The OE cams really are a restriction under high boost. We may put some Scott Performance FI cams in and retune. The car is for sale, so whatever happens first.
The fuel system pics and dyno charts will be up over the w/e.
http://carv2.com/site/project_detail.cfm?id=247
Last edited by USED; 09-08-2006 at 08:36 PM.
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09-08-2006, 09:01 PM
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Originally Posted by XBS
so it took 3 years to complete this project?
Last edited by USED; 09-08-2006 at 09:47 PM.
09-08-2006, 09:58 PM
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Originally Posted by XBS
What did u do in the mean time, run it at 400whp? awesome car im glad you were able to make that much power safely has that is what i wanted to do. BTW what do u rev the car too? did you increase the RPM limit?
As far as safe limits go, we're only running 16 degrees of timing at 18 psi @ full song and 14 degrees with the race fuel. I was amazed that we made that much power run after run. Besides, the Nissan knock sensors are very sensitive and when the UTEC pulls timing (even with our lower constants) we listen. It's a street car that runs on pump fuel. We only did the race fuel tune to see the potential of the OE cam/heads/manifold/plenum. Just as we suspected, not enough flow for higher volume boost. I also think the 18g's were most happy at 18 psi. At 24+, I think they're outside of their efficiency.
We did do a 26psi pass, but it maxed out the Dynapack torque capacity (our 4000 model max torque is 700 ft/lb).
I can't wait to get that baby out on the street this w/e.
09-09-2006, 07:32 AM
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Originally Posted by mjedens
Would you mind sharing which springs you used to get 26 psi.
15psi springs
Blitz SBC-id (Best boost controller we've ever used. Nails it every time)
On manifold pressure and wg spring alone, turbos boost to about 13-14 psi with the 15psi springs. Keep in mind we're running atomshperic dumps. The sound at 18 psi is HELLISH
At 24-26 psi, your insides come out of your anus.
Congrats! Impressive car.
