how fast is FI'ed Z and satisfaction - part 2

ImportConvert · 10-28-2011, 01:22 AM

Quote:

Originally Posted by phunk

I'll let you know in spring. The best I can say is that my 305s fit with a bit of room on the inside, then I spaced them out another 15mm. I am very confident nothing will have to be done with the right offset for the camber setting. But others have already done it

Nice. I am curious how well it hooks up on street tires, if the short wheel-base will allow for more rapid weight transfer, etc.

phunk · 10-28-2011, 02:05 AM

Quote:

Originally Posted by ImportConvert

I guess you have come full-circle and now agree with the content of my first post in this thread.

No. Gearing like that helps but isn't needed for that power... There are faster cars with more aggressive gearing. 430rwhp can hook in a Z all day with no drama unless your setup wack

phunk · 10-28-2011, 02:10 AM

Quote:

Originally Posted by ImportConvert

Nice. I am curious how well it hooks up on street tires, if the short wheel-base will allow for more rapid weight transfer, etc.

It's only 5" shorter. Again, weight transfer is all in the setup, it won't improve unless I go soft on the suspension ... Which I don't think I'll need to for stock bottom end power levels

LafitteZ · 10-28-2011, 11:39 AM

I have 548 rwhp twin turbo setup and from a dig my fathers lingenfelter supercharged z06 running 575 rwhp pulls away from me and i cant catch him mostly because we run out of track or road when we turning 150mph but if we take off at 60 i run him down every time. His car has gobs of torgue at the bottom end of the rpm range but once im reved up that z comes alive.

Nixlimited · 10-28-2011, 11:56 AM

I always wished for taller gearing in my STi. When you have boost, you don't want to get out of it with a gear shift. With that car I had to shift from first to 5th gear in about 8 seconds under WOT. Pain in the ***.

Red__Zed · 10-28-2011, 11:58 AM

Quote:

Originally Posted by Nixlimited

I always wished for taller gearing in my STi. When you have boost, you don't want to get out of it with a gear shift. With that car I had to shift from first to 5th gear in about 8 seconds under WOT. Pain in the ***.

Truth. I stepped down to a 3.5 fd in my s2k to minimize that (3.5 is long as hell in that car)

phunk · 10-28-2011, 12:07 PM

id like to swap down to the 3.3 pumpkin but i dont know if i want to deal with the SRM problems

LafitteZ · 10-28-2011, 12:15 PM

3.3 would be nice.

phunk · 10-28-2011, 01:16 PM

Its definitely doable, and losing the SRM isnt making a sacrifice versus other cars, but it is one of the cool features that currently only the 370z has, I would prefer to keep it. But shifting out of first at 42mph is sort of low for a 500+ rwhp car. the 3.3 would bring it to 48mph i think, which isnt even a huge difference, but if we raised the RPM to 8000, that would get us to 51mph... which is totally reasonable and doesnt cost us more torque in each gear like a further drop in rear end ratio would.

i wonder if anyone is revving these VHR heads to 8000 yet to see how they hold up?

KaienZ34 · 10-28-2011, 01:44 PM

I don't think they are FI'ed but there are atleast two that have rised the rev limiter to 8k. One in japan and one in the states.

LafitteZ · 10-28-2011, 01:47 PM

that sounds like a good idea. raise the red line would be pretty sick all in itself.

Nixlimited · 10-28-2011, 01:59 PM

Yeah, SRM is one of the reasons I am insisting on the sports package. As much as I do enjoy heel-toeing, I am not at a pro level. I still like to row the gearbox so I'm hoping SRM will let me do that at the track a bit more efficiently.

phunk · 10-28-2011, 02:11 PM

^^ you will love SRM. I drive heel toe by instinct after all these years, so it actually takes a quick adjustment in the 370z to stop trying to do it yourself. But the SRM is obvously 100% accurate so its extremely smooth and nice... for example... say you are coasting in neutral.. if you push down the clutch pedal, SRM activates... put the car in a gear without letting off the clutch and keep coasting, you will find that SRM is just sitting there holding the RPM waiting for you. When you finally release the clutch, the RPM is so dead on that you literally do not even feel that you let the clutch up, you just feel the car start to engine brake. its great.

LOL you also have to get used to not wobbling the shifter back and forth when coasting up to a light... if you do that you look like an ******* (especially with a loud exhaust), because the SRM is trying to anticipate your gear selection and the RPMs are flying back and forth all over!

KaienZ34 · 10-28-2011, 02:13 PM

Quote:

Originally Posted by phunk

^^ you will love SRM. I drive heel toe by instinct after all these years, so it actually takes a quick adjustment in the 370z to stop trying to do it yourself. But the SRM is obvously 100% accurate so its extremely smooth and nice... for example... say you are coasting in neutral.. if you push down the clutch pedal, SRM activates... put the car in a gear without letting off the clutch and keep coasting, you will find that SRM is just sitting there holding the RPM waiting for you. When you finally release the clutch, the RPM is so dead on that you literally do not even feel that you let the clutch up, you just feel the car start to engine brake. its great.

True true

LOL you also have to get used to not wobbling the shifter back and forth when coasting up to a light... if you do that you look like an ******* (especially with a loud exhaust), because the SRM is trying to anticipate your gear selection and the RPMs are flying back and forth all over!

hahahaha i did this at 1st also

phunk · 10-28-2011, 02:14 PM

BTW i just wanted to add that when i said 8000rpm would get us to 51mph, i meant if COMBINED with the 3.3 final drive from an automatic 350z. With stock final drive, 8000rpm would take us to just 45mph.

10-28-2011, 11:56 AM	#65 (permalink)
Nixlimited A True Z Fanatic Join Date: Aug 2009 Location: San Diego Posts: 1,235 Drives: 15 GT-R / 11 Prius Rep Power: 26	I always wished for taller gearing in my STi. When you have boost, you don't want to get out of it with a gear shift. With that car I had to shift from first to 5th gear in about 8 seconds under WOT. Pain in the ***. __________________ Car Sold! Pleasure being a part of the Z community. New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)

10-28-2011, 12:07 PM	#67 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,668 Drives: 370 Rep Power: 974723	id like to swap down to the 3.3 pumpkin but i dont know if i want to deal with the SRM problems __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph

10-28-2011, 01:16 PM	#69 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,668 Drives: 370 Rep Power: 974723	Its definitely doable, and losing the SRM isnt making a sacrifice versus other cars, but it is one of the cool features that currently only the 370z has, I would prefer to keep it. But shifting out of first at 42mph is sort of low for a 500+ rwhp car. the 3.3 would bring it to 48mph i think, which isnt even a huge difference, but if we raised the RPM to 8000, that would get us to 51mph... which is totally reasonable and doesnt cost us more torque in each gear like a further drop in rear end ratio would. i wonder if anyone is revving these VHR heads to 8000 yet to see how they hold up? __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph

10-28-2011, 01:44 PM	#70 (permalink)
KaienZ34 A True Z Fanatic Join Date: Oct 2009 Location: LA. not L.a. Posts: 21,652 Drives: Z34 Tour/Sport Rep Power: 178	I don't think they are FI'ed but there are atleast two that have rised the rev limiter to 8k. One in japan and one in the states. __________________ *"These Violent Delights Have Violent Ends"* http://www.the370z.com/members/kaienz34-albums-z34.html

10-28-2011, 01:59 PM	#72 (permalink)
Nixlimited A True Z Fanatic Join Date: Aug 2009 Location: San Diego Posts: 1,235 Drives: 15 GT-R / 11 Prius Rep Power: 26	Yeah, SRM is one of the reasons I am insisting on the sports package. As much as I do enjoy heel-toeing, I am not at a pro level. I still like to row the gearbox so I'm hoping SRM will let me do that at the track a bit more efficiently. __________________ Car Sold! Pleasure being a part of the Z community. New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)

10-28-2011, 11:39 AM	#64 (permalink)
LafitteZ Track Member Join Date: Jan 2011 Location: lafitte, la Posts: 698 Drives: 40th anniversary Rep Power: 15	I have 548 rwhp twin turbo setup and from a dig my fathers lingenfelter supercharged z06 running 575 rwhp pulls away from me and i cant catch him mostly because we run out of track or road when we turning 150mph but if we take off at 60 i run him down every time. His car has gobs of torgue at the bottom end of the rpm range but once im reved up that z comes alive.

10-28-2011, 12:15 PM	#68 (permalink)
LafitteZ Track Member Join Date: Jan 2011 Location: lafitte, la Posts: 698 Drives: 40th anniversary Rep Power: 15	3.3 would be nice.

10-28-2011, 01:47 PM	#71 (permalink)
LafitteZ Track Member Join Date: Jan 2011 Location: lafitte, la Posts: 698 Drives: 40th anniversary Rep Power: 15	that sounds like a good idea. raise the red line would be pretty sick all in itself.

10-28-2011, 02:11 PM	#73 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,668 Drives: 370 Rep Power: 974723	^^ you will love SRM. I drive heel toe by instinct after all these years, so it actually takes a quick adjustment in the 370z to stop trying to do it yourself. But the SRM is obvously 100% accurate so its extremely smooth and nice... for example... say you are coasting in neutral.. if you push down the clutch pedal, SRM activates... put the car in a gear without letting off the clutch and keep coasting, you will find that SRM is just sitting there holding the RPM waiting for you. When you finally release the clutch, the RPM is so dead on that you literally do not even feel that you let the clutch up, you just feel the car start to engine brake. its great. LOL you also have to get used to not wobbling the shifter back and forth when coasting up to a light... if you do that you look like an ***** (especially with a loud exhaust), because the SRM is trying to anticipate your gear selection and the RPMs are flying back and forth all over! __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph**

10-28-2011, 02:14 PM	#75 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,668 Drives: 370 Rep Power: 974723	BTW i just wanted to add that when i said 8000rpm would get us to 51mph, i meant if COMBINED with the 3.3 final drive from an automatic 350z. With stock final drive, 8000rpm would take us to just 45mph. __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph

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