370z 50-100mph tread. Everyone post.

JARblue · 10-23-2014, 10:59 AM

50 mph roll in 4th??? That's not going to work out well. IIRC, 90 mph is about the upper limit in 3rd gear with stock gearing (according to the FSM).

FPenvy · 10-23-2014, 11:01 AM

Quote:

Originally Posted by JARblue

50 mph roll in 4th??? That's not going to work out well. IIRC, 90 mph is about the upper limit in 3rd gear with stock gearing (according to the FSM).

fine 3rd then lol i said both in my post just making suggestions since no one else has lol

JARblue · 10-23-2014, 11:07 AM

Quote:

Originally Posted by FPenvy

fine 3rd then lol i said both in my post just making suggestions since no one else has lol

Well, I was wondering about 2nd. If you're going to do a full pull, you'll probably be in the upper RPMs in 2nd when you hit 50 mph. So you'll have to shift to 3rd and then probably to 4th as well before you get 100 mph. Dunno if 2nd gear at high RPMs plus the time to shift to 3rd would be better or worse than being in 3rd at lower RPMs to start.

FPenvy · 10-23-2014, 11:10 AM

Quote:

Originally Posted by JARblue

Well, I was wondering about 2nd. If you're going to do a full pull, you'll probably be in the upper RPMs in 2nd when you hit 50 mph. So you'll have to shift to 3rd and then probably to 4th as well before you get 100 mph. Dunno if 2nd gear at high RPMs plus the time to shift to 3rd would be better or worse than being in 3rd at lower RPMs to start.

not sure but i feel that you'd be real high up in the RPMs of 2nd where it may be worse to start there. not sure without testing it though.

ANMVQ · 10-23-2014, 11:16 AM

Quote:

Originally Posted by JARblue

50 mph roll in 4th??? That's not going to work out well. IIRC, 90 mph is about the upper limit in 3rd gear with stock gearing (according to the FSM).

In 4th I can get 120+ more like 125 ish, My 3rd get me too 100 ( Like 99) These are starting at 2500 RPMS, I think that's like 40 MPH forget what the MPH is.

But agree we should make a starting point, Like 4th gear 50 MPH and jam it

FPenvy · 10-23-2014, 11:19 AM

Quote:

Originally Posted by ANMVQ

In 4th I can get 120+ more like 125 ish, My 3rd get me too 100 ( Like 99) These are starting at 2500 RPMS, I think that's like 40 MPH forget what the MPH is.

But agree we should make a starting point, Like 4th gear 50 MPH and jam it

just something for consistency.

i can do a full WOT pull and be faster than a TT guy starting in 4th. well maybe not sure depends on spooling and other factors but you all get my point lol

data can be skewed if there isnt a consistent and constant procedure that is followed.

JARblue · 10-23-2014, 11:27 AM

Quote:

Originally Posted by FPenvy

just something for consistency.

i can do a full WOT pull and be faster than a TT guy starting in 4th. well maybe not sure depends on spooling and other factors but you all get my point lol

data can be skewed if there isnt a consistent and constant procedure that is followed.

Consistency is the 50-100 mph speed range. Counting the timing via the inaccurate speedometer and a video will skew data accuracy anyway.

I would say just do it as fast as you can. Try out different methods if you want. Either way it will be a poor mans result without proper timing equipment.

10-23-2014, 10:59 AM	#1 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 45 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684442	50 mph roll in 4th??? That's not going to work out well. IIRC, 90 mph is about the upper limit in 3rd gear with stock gearing (according to the FSM). __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

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