Nissan 370Z Forum

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O&G 02-23-2012 11:40 PM

Quote:

Originally Posted by 98intrigue (Post 1562234)
Smaller piping...quicker spool...less top end. Are you really looking into tracking the car? It sounds like it.

I'm not going anywhere. I like this forum too much to leave even if I do get rid of the 40th. I'd honestly build the motor and enjoy the car if I hadn't dropped so much money into the car to only get more problems thrown at me.

Yea, I'd like to get a little quicker spool w/o sacrificing top end power. Find that perfect median :) Probably going to re-route the piping, each bank will have it's own wastegate collecting @ the divided flange on the turbo. No more piping going over the transmission, most likely. Very similar to JTrans 350 low mount builds. The Turbo I'm currently using is rated to 720hp but after I build the motor I'll probably replace it. Shoot for 600-650 reliable whp on our Dyno, which is an *** ton of power. Getting this clutch in, engine mounts, larger boost pipe and 3'inch intake runners is the weeks goal. However, knowing Johnny he will probably just want to refab the turbo manifold while the cars taken apart..... I won't stop him :)

I'm guessing Nissan isn't replacing your motor? I hit 12.4 psi on Meth. My motor still pulls -13 (give or take) vacuum, no ticking! I'll probably do a compression check soon as well.

Robert_K 02-24-2012 01:39 AM

Quicker Spool > Top End. Hell my car should be in the 550-575whp range on pump but boost should come quick! I honestly wanted to go 9.0:1 compression but didn't want to wait for custom pistons.

O&G 02-24-2012 09:58 AM

Quote:

Originally Posted by Robert_K (Post 1562479)
Quicker Spool > Top End. Hell my car should be in the 550-575whp range on pump but boost should come quick! I honestly wanted to go 9.0:1 compression but didn't want to wait for custom pistons.

What piston ratio you at? 8:5:1? I'm looking @ doing the 9:0:1 w/ carrillo rods, HKS or Cosworht Head gasket, APR fastners!

Robert_K 02-24-2012 10:03 AM

Quote:

Originally Posted by O&G (Post 1562857)
What piston ratio you at? 8:5:1? I'm looking @ doing the 9:0:1 w/ carrillo rods, HKS or Cosworht Head gasket, APR fastners!

Yeap... CP 96mm 8.5:1 w/ PolyDyn coatings, Cosworth rods, Cometic head gaskets, L19 ARP head studs. Go back to my first post in my build thread to see everything. :tup:

O&G 02-24-2012 10:15 AM

Quote:

Originally Posted by Robert_K (Post 1562873)
Yeap... CP 96mm 8.5:1 w/ PolyDyn coatings, Cosworth rods, Cometic head gaskets, L19 ARP head studs. Go back to my first post in my build thread to see everything. :tup:

Yea, wasn't sure if you listed the ratio, I ran those same pistons in my 350. I want to use CP again. Your build is beast.

O&G 02-25-2012 10:09 AM

Changed my diff fluid yesterday. Car has 8k miles on it and I havn"t changed tranny or duff fluid yet. Lets just say the stock oil Nissan uses in their diffs looks like a chocolate milk shake. No bueno! My car running all AmsOil products now. Woot! Feels fantastic

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Robert_K 02-25-2012 10:26 AM

I'd be iffy running anything other than Nissan's fluid for their Trans. Plus I've found for me 35DE w/ boost the Rotella-T to be best based on my BlackStone Lab reports.

Ron 02-25-2012 10:31 AM

I plan on running MT85 on my tranny. I had a bad synchro from 3rd to 4th on my 300ZX, changed fluid to MT90 and never had the problem again, smooth as butter.

O&G 02-25-2012 10:32 AM

Goin on seven years using amsoil in my VQs, etc.... No issues. Rotela and Amsoil have the same basic numbers breakdown.

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wheee! 02-25-2012 10:33 AM

AMSoil FTW! I use it too.

O&G 02-25-2012 11:04 AM

Ive heard good things about the Joe Gibbs racing oil as well! But family and friends have been using Amsoil in everything from dirtbikes to 18 wheelers with great results for a long time. Rotela/Motul are fantastic as well, im just an Amsoil fanboi!

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Robert_K 02-25-2012 11:28 AM

Quote:

Originally Posted by O&G (Post 1564811)
Ive heard good things about the Joe Gibbs racing oil as well! But family and friends have been using Amsoil in everything from dirtbikes to 18 wheelers with great results for a long time. Rotela/Motul are fantastic as well, im just an Amsoil fanboi!

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:tup:

Bryan 02-25-2012 11:29 AM

Quote:

Originally Posted by O&G (Post 1564743)
Changed my diff fluid yesterday. Car has 8k miles on it and I havn"t changed tranny or duff fluid yet. Lets just say the stock oil Nissan uses in their diffs looks like a chocolate milk shake. No bueno! My car running all AmsOil products now. Woot! Feels fantastic

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Hey man I had a question, what weight did you use for the diff and tranny?

O&G 02-25-2012 11:35 AM

75W-90

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O&G 02-27-2012 04:58 PM

I've been reading Synack's engine troubles(http://www.the370z.com/nissan-370z-w...se-engine.html) and I just wanted to let everyone know I've been using 10W-40 in my VQ's for years. I didn't want to post on his thread because Mod's were concerned about getting off topic. I sleep better using a little thicker oil, plus w/ all the blow-by issues w/ FI and apparently NA, it doesn't hurt. Also, Wstar layed out good habbits to have when starting your car, let it warm up for 10 minutes, don't get on the rev's till the car is properly warmed up, these small things will greatly increase the life of your motor.


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