The New "What did you do with your Z today" (with off topic replies) XXXI

jchammond · 01-06-2019, 11:08 PM

Quote:

Originally Posted by Rusty

Yeah, they have the same 30 aspect ratio.
Had to go back and reread some stuff.

........................Tire 1.............................Tire 2
Tire size............295/30-19.......................295/30-20
Section width.....295 mm (11.6'')...............295 mm (11.6'')
Sidewall............89 mm (3.5'')...................89 mm (3.5'')
Tire diameter.....661 mm (26'').................. 686 mm (27'') 25 mm (3.8%) taller.

This is all very true,,,but can vary a bit from tire mfg. to mfg. / as much as 1/2” on widths & 1/4” or so on diameter’s

jchammond · 01-06-2019, 11:12 PM

My 295/30/19 Michelin PS4S’s are 26.15” diameter mounted on 19x10’s with 32lbs of air & my 325/30/19 Michelin PSS’s are 26.55” diameter on 19x12’s with 32lbs air

jchammond · 01-06-2019, 11:13 PM

Quote:

Originally Posted by jwick

iPhone autocorrect hates me

Your screen cracked like Mr Madwi’s

jchammond · 01-06-2019, 11:16 PM

Headed to raid the fridge

I need to back off a bit,,,done surpassed the 260# mark

jchammond · 01-06-2019, 11:28 PM

I'm probably consuming my 20,000'th pbj by now

Rusty · 01-06-2019, 11:36 PM

Quote:

Originally Posted by jchammond

This is all very true,,,but can vary a bit from tire mfg. to mfg. / as much as 1/2” on widths & 1/4” or so on diameter’s

I used this to compare.

Custom rims, wheel tire packages

jchammond · 01-06-2019, 11:39 PM

Quote:

Originally Posted by Rusty

I used this to compare.

Custom rims, wheel tire packages

You can't post that

People be like

Rusty · 01-06-2019, 11:46 PM

Quote:

Originally Posted by jchammond

You can't post that

People be like

You got something better?

Rusty · 01-06-2019, 11:47 PM

RepZ.

jchammond · 01-07-2019, 12:02 AM

Quote:

Originally Posted by Rusty

You got something better?

I just use a custom wheel backspacing chart & then perform the math for the Front spacing(hub face to outer wheel lip)...having the actual dimensions on tires do help to some degree,,,as they will actually grow in diameter after mount & inflation...some printed specs on tire rack & other sights are correct & some are off a bit.
That calculator you have is very thorough with showing actual bulge of tires pending the section measurements are correct & also account for caliper clearance.
I use a transmission speed/gear ratio calculator for speedometer accuracy & by how it affects gear ratio.
Most of my general experience is from actual hands on with different size wheel/tire combos.
Lots will fit under the Huge Z fender wells,,,it's just how the owner prefer's his/her look

jchammond · 01-07-2019, 12:24 AM

Dozed off around 7:30 & slept 3.5hrs....not good.
Trying to get back to sleep; alarm goes off at 6am

Rusty · 01-07-2019, 01:06 AM

Quote:

Originally Posted by jchammond

I just use a custom wheel backspacing chart & then perform the math for the Front spacing(hub face to outer wheel lip)...having the actual dimensions on tires do help to some degree,,,as they will actually grow in diameter after mount & inflation...some printed specs on tire rack & other sights are correct & some are off a bit.
That calculator you have is very thorough with showing actual bulge of tires pending the section measurements are correct & also account for caliper clearance.
I use a transmission speed/gear ratio calculator for speedometer accuracy & by how it affects gear ratio.
Most of my general experience is from actual hands on with different size wheel/tire combos.
Lots will fit under the Huge Z fender wells,,,it's just how the owner prefer's his/her look

Using the tire spec's from the tire companies takes time to look everything up. I use that calculator for a quick look for tires, and to see different rim combo's. Also for converting backspacing to offset or the other way.

madwi · 01-07-2019, 03:57 AM

freezing rain here. I now know I need a salt spreader in my life. This tossing a scoop of salt is stupid lol.

jchammond · 01-07-2019, 05:23 AM

Iza be up, gonna load up the “Mr Coffee” & let it cam a bit...

Btw- Good Morning morning Folks

jchammond · 01-07-2019, 05:55 AM

Quote:

Originally Posted by Rusty

Using the tire spec's from the tire companies takes time to look everything up. I use that calculator for a quick look for tires, and to see different rim combo's. Also for converting backspacing to offset or the other way.

This is usually my go-to chart & when calculating front spacing; just add 1” to the wheel width & subtract backspacing (example 19x9+0=5” backspacing...10-5=5” front spacing) as the mounting flange on backside of a 0 offset wheel is centered.

What makes tires difficult at times is not necessarily the dimensions being a tad off,,,it’s when they don’t list any dimensions at all, maybe either tread width or tire diameter

01-06-2019, 11:12 PM	#2882 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	My 295/30/19 Michelin PS4S’s are 26.15” diameter mounted on 19x10’s with 32lbs of air & my 325/30/19 Michelin PSS’s are 26.55” diameter on 19x12’s with 32lbs air __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

01-06-2019, 11:16 PM	#2884 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	Headed to raid the fridge I need to back off a bit,,,done surpassed the 260# mark __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

01-06-2019, 11:28 PM	#2885 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	I'm probably consuming my 20,000'th pbj by now __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

01-06-2019, 11:47 PM	#2889 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,217 Drives: 2011 Nismo GM 6M Rep Power: 2684438	RepZ. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

01-07-2019, 12:24 AM	#2891 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	Dozed off around 7:30 & slept 3.5hrs....not good. Trying to get back to sleep; alarm goes off at 6am __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

01-07-2019, 03:57 AM	#2893 (permalink)
madwi A True Z Fanatic Join Date: Sep 2012 Location: West Michigan Posts: 31,410 Drives: Granma red Z Rep Power: 2684429	freezing rain here. I now know I need a salt spreader in my life. This tossing a scoop of salt is stupid lol. jchammond and old guy like this.

01-07-2019, 05:23 AM	#2894 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	Iza be up, gonna load up the “Mr Coffee” & let it cam a bit... Btw- Good Morning morning Folks old guy and Zingston like this. __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

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