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Search took 0.01 seconds. Search: Posts Made By: smartbomb
Forum: Engine & Drivetrain 07-03-2009, 12:08 PM
Replies: 39
Views: 11,741
Posted By smartbomb
If no one in the 350Z world really experiences...

If no one in the 350Z world really experiences diff failure then either, their hot lap sessions are shorter than 30 minutes and/or they are slow or running an open diff or they are street racing.
...
Forum: Engine & Drivetrain 07-02-2009, 11:50 AM
Replies: 39
Views: 11,741
Posted By smartbomb
It is almost the same R200 as in the 280, the...

It is almost the same R200 as in the 280, the nose of the 240SX, 300ZX, 350Z and 370Z is referred to as the short nose R200 as in the pinion area is shorter. The older R200's are called the long...
Forum: Engine & Drivetrain 07-02-2009, 12:25 AM
Replies: 39
Views: 11,741
Posted By smartbomb
If you read my posts in this thread and places...

If you read my posts in this thread and places like my350Z you would know that the 350Z and 370Z have identical problems with heat build up.

350Z's in real racing conditions will start to fail...
Forum: Engine & Drivetrain 07-01-2009, 05:05 PM
Replies: 39
Views: 11,741
Posted By smartbomb
The R200 is a very strong diff, there is no way...

The R200 is a very strong diff, there is no way the VQ37VHR is going to stress it out. This diff has been used on very high powered race cars under actual racing conditions with good reliabilty. It...
Forum: Engine & Drivetrain 07-01-2009, 03:07 PM
Replies: 50
Views: 8,434
Posted By smartbomb
I replied on the causes of transmission rattle on...

I replied on the causes of transmission rattle on the other forum in extensive detail when answering Zoltan's great question. If you want to understand the root cause of the noise, you can go there...
Forum: Engine & Drivetrain 07-01-2009, 01:15 PM
Replies: 39
Views: 11,741
Posted By smartbomb
This should come as no surprise. The differential...

This should come as no surprise. The differential would fail without a cooler. Its all about airflow and diff location. The 350Z has this same problem as well. Look at the pre-production test cars...
Forum: Engine & Drivetrain 06-06-2009, 12:18 PM
Replies: 20
Views: 16,131
Posted By smartbomb
If you guys understood my post the the 370Z has a...

If you guys understood my post the the 370Z has a very large choice of many aftermarket LSD Diffs.
Forum: Nissan 370Z General Discussions 05-28-2009, 02:08 AM
Replies: 28
Views: 2,456
Posted By smartbomb
370Z hybrid

Actualy we were the ones that broke with the story first at 370z.com, it ticks me off that only about half of the other sites gave us credit with the story,

If you want to read more about the...
Forum: Engine & Drivetrain 05-26-2009, 07:24 PM
Replies: 1,184
Views: 367,533
Posted By smartbomb
Remember this is a 570 whp twin turbo time attack...

Remember this is a 570 whp twin turbo time attack car with big hoosiers or Hankooks. Its the fastest 350Z in the country. Your typical street car or even your typical track driven dual purpose car...
Forum: Engine & Drivetrain 05-26-2009, 04:38 PM
Replies: 1,184
Views: 367,533
Posted By smartbomb
We have found in doing TIme Attacks with the 350Z...

We have found in doing TIme Attacks with the 350Z that a larger sump, pan baffles, big oil cooler and an Accusump was needed to keep the engine alive with serious suspension, aero and sticky tires.
...
Forum: Engine & Drivetrain 05-26-2009, 02:02 PM
Replies: 1,184
Views: 367,533
Posted By smartbomb
Revs are an issue with oil temp as well. If the...

Revs are an issue with oil temp as well. If the engine is pushed towards the redline two things happen, more windage and churning of the oil in the crankcase, this produces heat and more oil being...
Forum: Engine & Drivetrain 05-26-2009, 01:48 PM
Replies: 1,184
Views: 367,533
Posted By smartbomb
I wonder what the conditions for warraty denial...

I wonder what the conditions for warraty denial with a cooler were? There must be other mitagating factors, such as documented track driving or racing which might void the warranty I would think. It...
Forum: Nissan 370Z General Discussions 05-22-2009, 08:01 PM
Replies: 336
Views: 72,835
Posted By smartbomb
Got a link?

Got a link?
Forum: Engine & Drivetrain 05-21-2009, 12:22 PM
Replies: 1,184
Views: 367,533
Posted By smartbomb
Thats the typical denial that an OEM will give...

Thats the typical denial that an OEM will give you. They will probably also feel that limp mode will protect the engine enough so you won't nuke it and make a warranty claim.
Forum: Engine & Drivetrain 05-20-2009, 01:59 AM
Replies: 20
Views: 16,131
Posted By smartbomb
Its a short nose R200 diff that is very common in...

Its a short nose R200 diff that is very common in Nissans, the Z31,Z32,Z33,S13, S14,S15 and now the 370Z-Z34 use it, most manufactures of LSD diffs make a diff that fits the 370Z.
Forum: Engine & Drivetrain 05-20-2009, 01:54 AM
Replies: 21
Views: 10,433
Posted By smartbomb
Great product!

Great product!
Forum: Engine & Drivetrain 05-20-2009, 01:44 AM
Replies: 1,184
Views: 367,533
Posted By smartbomb
Excellent data!

Excellent data!
Forum: Engine & Drivetrain 05-18-2009, 11:16 PM
Replies: 19
Views: 7,493
Posted By smartbomb
I know that Cosworth has tested royal purple and...

I know that Cosworth has tested royal purple and found it to be one of the best oils, but that was over 12 years ago. Mobil One 0w40 only is a very good oil. The 0w40 is better than the other...
Forum: Engine & Drivetrain 05-18-2009, 08:58 PM
Replies: 8
Views: 4,292
Posted By smartbomb
The oil cooler is critical for the engines life...

The oil cooler is critical for the engines life blood. Don't cheap out, real coolers like setrab and real AN fittings from repuatble companies like earls or aeroquip only.
Forum: Intake/Exhaust 05-16-2009, 12:16 AM
Replies: 270
Views: 58,740
Posted By smartbomb
On a MAF equiped car, it should compensate for...

On a MAF equiped car, it should compensate for small relativly small differences in air desisty without going to far over in the load, also I am not 100% sure but I think newer Nissans use IAT as a...
Forum: Intake/Exhaust 05-15-2009, 02:31 PM
Replies: 270
Views: 58,740
Posted By smartbomb
Its pretty simple, the colder air is, the more...

Its pretty simple, the colder air is, the more dense it is, this helps you two ways. You get more oxygen to burn and more expansion in the PV curve.

I am thinking that an actual moving car might...
Forum: Engine & Drivetrain 05-14-2009, 01:36 PM
Replies: 9
Views: 4,824
Posted By smartbomb
The offical Nissan fix for the clunking issues in...

The offical Nissan fix for the clunking issues in the 350Z and other Nissans was to grease the axle splines with a heavy moly grease or with the old Nissan PCB grease.

This only works for a few...
Forum: Intake/Exhaust 05-14-2009, 01:26 PM
Replies: 270
Views: 58,740
Posted By smartbomb
To clarify, if you have a system that gets cold...

To clarify, if you have a system that gets cold air, you will get a gain of about 1-1.5% per every 10 degree drop of intake air temp vs hot underhood air. If you made that system a ram air, it would...
Forum: Intake/Exhaust 05-14-2009, 10:56 AM
Replies: 18
Views: 5,790
Posted By smartbomb
The whole first part of the article explanes the...

The whole first part of the article explanes the dyno numbers and the differences between them and power output.
Forum: Intake/Exhaust 05-14-2009, 10:51 AM
Replies: 270
Views: 58,740
Posted By smartbomb
Generaly unless the air box is really optomised...

Generaly unless the air box is really optomised and even then, cold air will out power ram air 2:1 or even more. A drop of the intake air of 10-15 degrees will outpower most ram air systems, not to...
Showing results 1 to 25 of 48
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