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

ImportConvert · 10-27-2011, 08:11 PM

Every video I see of 400+ whp 370Z's is a blatant reminder that the car is only meant to have 300whp or so. They can't keep it planted, they shift it like a dump-truck because the short gearing makes that redline come up so FAST at that power level, etc. etc. etc.

If you want a 400+whp 370Z that's going to compete with a 'vette in the power department, you have a TON of work to do. The ENTIRE driveline has to be re-done. Not just the engine/power production aspect.

Not hating as I plan on trading for a '12 when they come out for various reasons discussed elsewhere, just observing, now that I own a 450whp car that was MADE to have 450whp. It's a totally different ballgame than some "tuner" car that suddenly has 150% the power it used to.

toner123 · 10-27-2011, 08:27 PM

Quote:

Originally Posted by ImportConvert

Every video I see of 400+ whp 370Z's is a blatant reminder that the car is only meant to have 300whp or so. They can't keep it planted, they shift it like a dump-truck because the short gearing makes that redline come up so FAST at that power level, etc. etc. etc.

If you want a 400+whp 370Z that's going to compete with a 'vette in the power department, you have a TON of work to do. The ENTIRE driveline has to be re-done. Not just the engine/power production aspect.

Not hating as I plan on trading for a '12 when they come out for various reasons discussed elsewhere, just observing, now that I own a 450whp car that was MADE to have 450whp. It's a totally different ballgame than some "tuner" car that suddenly has 150% the power it used to.

I think I have to disagree with you. You can get the traction control system, that will take care of the planting and all. My friends vette in all honesty doesn't really plant any better then mine does. He slides his *** out just as much as i can. Now maybe because he is modified but he has maybe like 75 more ponies to the wheel then me.

ImportConvert · 10-27-2011, 08:29 PM

Quote:

Originally Posted by toner123

I think I have to disagree with you. You can get the traction control system, that will take care of the planting and all. My friends vette in all honesty doesn't really plant any better then mine does. He slides his *** out just as much as i can. Now maybe because he is modified but he has maybe like 75 more ponies to the wheel then me.

...and a ton more torque and a lot different power-band.

Can you floor your car and go WOT on good pavement without spinning? I can. TC off.

Just because an electronic nanny prevents you from spinning the tires by limiting power doesn't mean your car is handling the power efficiently. It just means it can't handle the power. The 370Z needs a LOT of change to handle it.

ihatepotholes · 10-27-2011, 08:28 PM

Quote:

Originally Posted by ImportConvert

Every video I see of 400+ whp 370Z's is a blatant reminder that the car is only meant to have 300whp or so. They can't keep it planted, they shift it like a dump-truck because the short gearing makes that redline come up so FAST at that power level, etc. etc. etc.

If you want a 400+whp 370Z that's going to compete with a 'vette in the power department, you have a TON of work to do. The ENTIRE driveline has to be re-done. Not just the engine/power production aspect.

Not hating as I plan on trading for a '12 when they come out for various reasons discussed elsewhere, just observing, now that I own a 450whp car that was MADE to have 450whp. It's a totally different ballgame than some "tuner" car that suddenly has 150% the power it used to.

i have to disagree. coming from Evo and M3 i feel Z's stock gearing is way too tall. i raced an older cts-v once on highway it literally took forever to get out of 4th gear. hence why 4.08 equipped Z accelerate noticeable faster.

ImportConvert · 10-27-2011, 08:31 PM

Quote:

Originally Posted by ihatepotholes

i have to disagree. coming from Evo and M3 i feel Z's stock gearing is way too tall. i raced an older cts-v once on highway it literally took forever to get out of 4th gear. hence why 4.08 equipped Z accelerate noticeable faster.

I mean with 400+whp, not stock. Stock, I really liked the gearing, but then, I am used to American cars which are traditionally geared taller.

ihatepotholes · 10-27-2011, 08:36 PM

Quote:

Originally Posted by ImportConvert

I mean with 400+whp, not stock. Stock, I really liked the gearing, but then, I am used to American cars which are traditionally geared taller.

even for a 400whp vehicle i still feel the gearing is bit too tall for my liking. you should try a 400whp sti or evo

it only takes a blink of an eye to run out of 8000rpm in 3rd...

however, american cars do have very very tall gearing. i can see why you are aren't used to it.

ImportConvert · 10-27-2011, 08:38 PM

Quote:

Originally Posted by ihatepotholes

even for a 400whp vehicle i still feel the gearing is bit too tall for my liking. you should try a 400whp sti or evo

it only takes a blink of an eye to run out of 8000rpm in 3rd...

however, american cars do have very very tall gearing. i can see why you are aren't used to it.

All that shifting slows you down. I don't like it.

phunk · 10-27-2011, 10:33 PM

Quote:

Originally Posted by ImportConvert

If you want a 400+whp 370Z that's going to compete with a 'vette in the power department, you have a TON of work to do. The ENTIRE driveline has to be re-done. Not just the engine/power production aspect.

cant really agree with you there.

greddy tt, osg clutch, greddy exhaust. fuel pump and injectors. reflash. volks and re11's.

have yet to run into a vette that can pull away. there was one decently modified c6 z06 that seemed dead even from many pulls. but a stock one doesnt stand a chance.

there is nothing about the vette that gives it much a traction advantage at all... the transmission is mounted a couple feet back, thats it. Otherwise its all in setup. Most 370z owners will have insanely stiff coilovers at the very least, limiting weight transfer to almost nothing. most of them will use those coilovers to slam the car to the ground and have far too much negative camber and ride on half the tire.

but if setup correctly and using some good 305 or 335 tires, i cant imagine anything about a modern corvette that is going to give it any more traction for the power.

and if we are just talking about taking down a base model vette with typical bolt ons... thats not even a challenge for a TT'd 370z... i imagine i could turn off the boost controller and run my wastegate springs 5.5psi and have no trouble with one of those. the only stock or bolt on vette that is going to beat up on a TT 370z is a ZR1

ImportConvert · 10-27-2011, 11:10 PM

Quote:

Originally Posted by phunk

cant really agree with you there.

greddy tt, osg clutch, greddy exhaust. fuel pump and injectors. reflash. volks and re11's.

have yet to run into a vette that can pull away. there was one decently modified c6 z06 that seemed dead even from many pulls. but a stock one doesnt stand a chance.

there is nothing about the vette that gives it much a traction advantage at all... the transmission is mounted a couple feet back, thats it. Otherwise its all in setup. Most 370z owners will have insanely stiff coilovers at the very least, limiting weight transfer to almost nothing. most of them will use those coilovers to slam the car to the ground and have far too much negative camber and ride on half the tire.

but if setup correctly and using some good 305 or 335 tires, i cant imagine anything about a modern corvette that is going to give it any more traction for the power.

and if we are just talking about taking down a base model vette with typical bolt ons... thats not even a challenge for a TT'd 370z... i imagine i could turn off the boost controller and run my wastegate springs 5.5psi and have no trouble with one of those. the only stock or bolt on vette that is going to beat up on a TT 370z is a ZR1

I have yet to see/hear of a TT 370Z on street tires that can go WOT in first gear without plastering the pavement with rubber.

phunk · 10-27-2011, 11:14 PM

Quote:

Originally Posted by ImportConvert

I have yet to see/hear of a TT 370Z on street tires that can go WOT in first gear without plastering the pavement with rubber.

What makes you think that a vette with the same power, using the same tires with the same alignment specs and similar spring rates and shock dampening is going to hook up in first? It's not. Don't tell me a bolt on c6 z06 can't spin tire in first without dumping the clutch. If your vette can't... Might want to take it in for some warranty work

ImportConvert · 10-27-2011, 11:29 PM

Quote:

Originally Posted by phunk

What makes you think that a vette with the same power, using the same tires with the same alignment specs and similar spring rates and shock dampening is going to hook up in first? It's not. Don't tell me a bolt on c6 z06 can't spin tire in first without dumping the clutch. If your vette can't... Might want to take it in for some warranty work

It can if you stab the throttle, but I can roll into it from a 5mph roll and be WOT and it holds just fine.

phunk · 10-27-2011, 11:35 PM

Quote:

Originally Posted by ImportConvert

It can if you stab the throttle, but I can roll into it from a 5mph roll and be WOT and it holds just fine.

Is this a base model vette? Because that type of power can be put down without much drama in a 370. But many TT guys are 500+ rwhp and that's a real big difference from a base vette.

ImportConvert · 10-27-2011, 11:36 PM

Quote:

Originally Posted by phunk

Is this a base model vette? Because that type of power can be put down without much drama in a 370. But many TT guys are 500+ rwhp and that's a real big difference from a base vette.

I'm probably at around 440whp or so. Stock Z06. Hooks perfectly unless you stab the throttle or are on sub-par surfaces. On clean asphalt it does fine.

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10-27-2011, 08:11 PM	#1 (permalink)
ImportConvert A True Z Fanatic Join Date: Jun 2010 Location: SWMO Posts: 4,454 Drives: 2019 CX5 GT Reserve Rep Power: 7628	Every video I see of 400+ whp 370Z's is a blatant reminder that the car is only meant to have 300whp or so. They can't keep it planted, they shift it like a dump-truck because the short gearing makes that redline come up so FAST at that power level, etc. etc. etc. If you want a 400+whp 370Z that's going to compete with a 'vette in the power department, you have a TON of work to do. The ENTIRE driveline has to be re-done. Not just the engine/power production aspect. Not hating as I plan on trading for a '12 when they come out for various reasons discussed elsewhere, just observing, now that I own a 450whp car that was MADE to have 450whp. It's a totally different ballgame than some "tuner" car that suddenly has 150% the power it used to.