4.08 Frontier gear swap

jayfightmoves · 04-29-2010, 08:35 AM

Quote:

Originally Posted by Gunzero

^ NA = Naturally Aspirated. Meaning no forced induction (supercharged, turbocharged)

yep

CBRich · 04-29-2010, 09:09 AM

Could you elaborate on SRM becoming unreliable? How so?

jayfightmoves · 04-29-2010, 11:28 AM

Quote:

Originally Posted by CBRich

Could you elaborate on SRM becoming unreliable? How so?

A few laps in it would not operate... so I would start heel toeing. Then it would come back on, and so on. In one instance it didn't work in an area that REALY upset the car. So we just opted to leave it off. Our traction control is wired off permanently. I'm certain UpRev or COBB could solve it quickly. We are also running an OS clutch and flywheel, may be contributing due to quicker revs?

jnaut · 05-01-2010, 03:59 PM

ok...so the gears came in and after measuring eveything it looks like its a go only issue that i see is the new ring gear is a little thicker but it shouldn't be a proble.now the only thing i am waiting on is i ordered in a new pinion nut, crush sleeve and both pinion bearings. when they come in ill tear down my diff and install.

John@Z1 · 05-04-2010, 02:49 PM

Last guy I talked to on this said his syncro rev stoped working after the gear install.

RCZ · 05-04-2010, 08:41 PM

^ Thats huge.

jnaut · 05-05-2010, 08:39 AM

Quote:

Originally Posted by John@Z1

Last guy I talked to on this said his syncro rev stoped working after the gear install.

hopefully not

...but we will see . i plan on installing the gears in a few weeks...

CBRich · 05-05-2010, 09:50 PM

We need a Sticky thread that states exactly what you need for this based on what you have:

Base Manual (no LSD) ---> ?
Base Auto (no LSD) -----> ?
Sport Manual (LSD) -----> ?
Sport Auto (LSD) -------> ?

Zsteve · 05-05-2010, 11:28 PM

Quote:

Originally Posted by CBRich

We need a Sticky thread that states exactly what you need for this based on what you have:

Base Manual (no LSD) ---> ?
Base Auto (no LSD) -----> ?
Sport Manual (LSD) -----> ?
Sport Auto (LSD) -------> ?

I have been trying to firure out which parts exactly I would need to do this. I know I need a different diff and they say the 350Z will do but does that mean I lose a gear by using their diff?

jnaut · 05-06-2010, 08:42 AM

when i get done with this install..ill post up everything you need with all parts numbers, but before i do i want to see a perfect install.

CBRich · 05-07-2010, 11:15 AM

Quote:

Originally Posted by Zsteve

I have been trying to firure out which parts exactly I would need to do this. I know I need a different diff and they say the 350Z will do but does that mean I lose a gear by using their diff?

The diff has nothing to do with the number of gears. From what I understand if you have an auto you need the pumpkin. If you already have a diff your axles are good to go, but if you don't have a diff you may need axle stubs. I may have some of that backwards and that is what I'm trying to verify.

RCZ · 05-07-2010, 11:31 AM

Jnaut, how did the cat gutting go?

Zsteve · 05-07-2010, 03:05 PM

Quote:

Originally Posted by CBRich

The diff has nothing to do with the number of gears. From what I understand if you have an auto you need the pumpkin. If you already have a diff your axles are good to go, but if you don't have a diff you may need axle stubs. I may have some of that backwards and that is what I'm trying to verify.

cool thanks for the info. So I guess I will need the pumkin and stubs and will do the LSD too if I do this. Might just go GTM SC too but would still want the LSD then.

Zat_Zuma · 05-07-2010, 04:08 PM

For all the effort to replace parts, you may as well just get a complete pumpkin from a older 350Z MT; rebuild and install the 4.08 gears. The older pumpkins just bolt into the 370. There isn't much difference between the years.

jnaut · 05-07-2010, 05:03 PM

Quote:

Originally Posted by Zat_Zuma

For all the effort to replace parts, you may as well just get a complete pumpkin from a older 350Z MT; rebuild and install the 4.08 gears. The older pumpkins just bolt into the 370. There isn't much difference between the years.

this is true. if your have a manual sport or non sport it is the same gear. the limited slip doesnt matter. on autos the carrier( where the ring gear bolts to) is different. you would need to change this to a manual car one and also the little stub axles going out of the diff or buy a 350z manual read diff.

tonight i am starting the install of the frontier gears.i will be posting up any issues that i run into.

05-01-2010, 03:59 PM	#19 (permalink)
jnaut A True Z Fanatic Join Date: Dec 2009 Location: wpb, fl Posts: 1,146 Drives: 09 370z Rep Power: 18	ok...so the gears came in and after measuring eveything it looks like its a go only issue that i see is the new ring gear is a little thicker but it shouldn't be a proble.now the only thing i am waiting on is i ordered in a new pinion nut, crush sleeve and both pinion bearings. when they come in ill tear down my diff and install. __________________ Best 1/4 mile 12.24 Best mph 114.5_______

05-04-2010, 02:49 PM	#20 (permalink)
John@Z1 The370Z.com Sponsor Join Date: Nov 2008 Location: GA Posts: 1,589 Drives: Turbos Rep Power: 20	Last guy I talked to on this said his syncro rev stoped working after the gear install. __________________ Z1 Motorsports will beat any advertised price on Nissan OEM Parts! 770-838-7777 ext 311 AIM: JohnatZ1 email: John@Z1motorsports.com

05-06-2010, 08:42 AM	#25 (permalink)
jnaut A True Z Fanatic Join Date: Dec 2009 Location: wpb, fl Posts: 1,146 Drives: 09 370z Rep Power: 18	when i get done with this install..ill post up everything you need with all parts numbers, but before i do i want to see a perfect install. __________________ Best 1/4 mile 12.24 Best mph 114.5_______

05-07-2010, 04:08 PM	#29 (permalink)
Zat_Zuma A True Z Fanatic Join Date: Nov 2008 Location: Edmonton, Alberta ...eh Posts: 1,171 Drives: 2017 Touring auto Rep Power: 19	For all the effort to replace parts, you may as well just get a complete pumpkin from a older 350Z MT; rebuild and install the 4.08 gears. The older pumpkins just bolt into the 370. There isn't much difference between the years. __________________ [B]2009 & 2017 370Z Touring Sport Autos SOLD

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04-29-2010, 09:09 AM	#17 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	Could you elaborate on SRM becoming unreliable? How so?

05-04-2010, 08:41 PM	#21 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	^ Thats huge.

05-05-2010, 09:50 PM	#23 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	We need a Sticky thread that states exactly what you need for this based on what you have: Base Manual (no LSD) ---> ? Base Auto (no LSD) -----> ? Sport Manual (LSD) -----> ? Sport Auto (LSD) -------> ?

05-07-2010, 11:31 AM	#27 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	Jnaut, how did the cat gutting go?