TwinTurbo.NET: Nissan 300ZX forum - If your number 6 rod bearing is the culprit then
Subject
If your number 6 rod bearing is the culprit then
Posted by
MikeH(Twin GT35BB Incon Z)
on May 23, 2003 at 9:40 PM
This message has been viewed
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times.
In Reply To
HKS GT 2835 Dyno Results!!
posted by B-Ster
on May 23, 2003 at 09:15 PM
Message
I suspect there is some type of oiling system flaw in in the Z? I wonder if there is a way to get 10% more oil pressure/flow. What oil were you running?
Follow Ups
HKS GT 2835 Dyno Results!!
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B-Ster
21:15:53 05/23/03
fully tuned that should be rediculous
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Chris(NJ)
21:22:44 05/23/03
Not Bad, Hate to hear it about the motor.
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Chip(GinnMotorsports)
21:22:46 05/23/03
Most important question, did you have fun? ;-)
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AshsZ (FabZEM All)
21:29:41 05/23/03
Expensive trip, but yeah, it was fun. (n/m)
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B-Ster
21:33:30 05/23/03
I hear ya. We spent $1500 in one day of dyno time (13hours)
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AshsZ (FabZEM All)
21:43:02 05/23/03
Who do you have scheduled in AZ? Or you just jive
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MikeH(Twin GT35BB Incon Z)
21:52:36 05/23/03
You mean you didn't slip the "Good Ole Boys" a
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MikeH(Twin GT35BB Incon Z)
21:54:44 05/23/03
I thought you were my friend.
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AshsZ (FabZEM All)
22:30:24 05/23/03
What your theory on my bearing situation with
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MikeH(Twin GT35BB Incon Z)
22:33:54 05/23/03
Main bearings were worked? That's a new one for me,
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AshsZ (FabZEM All)
22:48:01 05/23/03
Yea, take a look at my mains. The rod bearings were flawless
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MikeH(Twin GT35BB Incon Z)
22:55:09 05/23/03
Crank walk. Probly a bad thrust bearing. (n/m)
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Good2Zya
00:03:24 05/24/03
I thought the VG30 engine was not prone to crank walk (n/m)
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MikeH(Twin GT35BB Incon Z)
00:16:17 05/24/03
If the thrust bearing was bad it will walk to Dallas (n/m)
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Good2Zya
00:25:55 05/24/03
Check you email (n/m)
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Good2Zya
00:48:38 05/24/03
No way in hell that was crank walk >>>
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AshsZ (FabZEM All)
23:06:13 05/24/03
You know I'm just joshing with you :) (n/m)
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MikeH(Twin GT35BB Incon Z)
22:37:19 05/23/03
I would certainly book some time with you if you came to
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B-Ster
22:04:01 05/23/03
I'm kicking the idea around. There's enough people who
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AshsZ (FabZEM All)
22:21:40 05/23/03
i bet you have a lot of fun trashing Z after Z (n/m)
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Halo Z
09:06:06 05/24/03
Don't be an idiot.
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B-Ster
10:45:20 05/24/03
Well put !!! (n/m)
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VECTOR
21:37:51 05/24/03
Congrats. Oh shit the dreaded rod knock I wonder
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MikeH(Twin GT35BB Incon Z)
21:30:36 05/23/03
shooting for 800?
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genic
21:31:27 05/23/03
What is your question? (n/m)
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B-Ster
21:34:41 05/23/03
well, you wont be running around @ 800 all the time right? (n/m)
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genic
21:40:58 05/23/03
You sound concerned, plan on racing him? (n/m)
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MikeH(Twin GT35BB Incon Z)
21:55:19 05/23/03
No doubt. Anything over 600 rwhp is a traction issue.>
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B-Ster
22:05:08 05/23/03
One more item of interest!
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B-Ster
21:32:55 05/23/03
How do you have your wastegates vacuum lines installed?
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MikeH(Twin GT35BB Incon Z)
21:36:56 05/23/03
hhhmmmm.....
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B-Ster
22:08:53 05/23/03
It's going to be a beast. But sorry to hear about the bad. (n/m)
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John@Z1
21:37:17 05/23/03
If your number 6 rod bearing is the culprit then -
MikeH(Twin GT35BB Incon Z)
21:40:58 05/23/03
Get rid of the oil squirters will increase oil pressure
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Chip(GinnMotorsports)
21:44:24 05/23/03
What does forged pistons have to do with oil
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MikeH(Twin GT35BB Incon Z)
21:48:11 05/23/03
Forged pistons can handle the heat without squirters
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Chip(GinnMotorsports)
22:20:33 05/23/03
While this is true, they also expand much more as they
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AshsZ (FabZEM All)
22:27:31 05/23/03
Oil pressure isn't what makes bearings last though Chip>>
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AshsZ (FabZEM All)
22:13:19 05/23/03
More oil pressure helps. I have consulted with a few race
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Chip(GinnMotorsports)
22:18:44 05/23/03
I agree with that too. Comparing the benefit of the few
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AshsZ (FabZEM All)
22:25:07 05/23/03
That brings up a new topic>>
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Chip(GinnMotorsports)
22:31:46 05/23/03
I would agree with that too. As loads increase the parts
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AshsZ (FabZEM All)
22:44:12 05/23/03
That works for fine normal hp but under load of
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MikeH(Twin GT35BB Incon Z)
22:23:25 05/23/03
Definately. More oil = good! The thing that interests
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AshsZ (FabZEM All)
22:40:28 05/23/03
Pressure and flow are inversely related. You might be
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MikeH(Twin GT35BB Incon Z)
22:36:11 05/23/03
We need an oil pump dyno. :) (n/m)
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AshsZ (FabZEM All)
22:45:19 05/23/03
What type of oil pressure an pump do the Nascar guys
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MikeH(Twin GT35BB Incon Z)
22:59:58 05/23/03
They use a dry sump system which allows them to run high
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MugenRacer
00:32:41 05/24/03
Hmm. Interesting topic.. >>>
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AshsZ (FabZEM All)
22:07:53 05/23/03
10W/30 oil. Still fossil based. I will be curious as to
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B-Ster
22:10:13 05/23/03
Re: HKS GT 2835 Dyno Results!!
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ZHOUND
22:29:15 05/23/03
Bryan if I may suggest
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Good2Zya
22:42:20 05/23/03
Excellent suggestion Fred; I thank you for it!! (n/m)
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B-Ster
22:53:04 05/23/03
Do you hear it at idle or all rpms? I only heard
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MikeH(Twin GT35BB Incon Z)
22:57:26 05/23/03
A bad rod bearing, one that is just starting to go out,
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Good2Zya
23:07:33 05/23/03
Yep, you hear it rattle just as the bump the car above idle. (n/m)
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B-Ster
08:51:07 05/24/03
One more thing
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Good2Zya
22:57:20 05/23/03
Damn!!!
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TwinTurboPete
23:29:41 05/23/03
Congrats! Good luck with everything.
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Spee
23:57:48 05/23/03
I'll like to see the conzult logs....curious on MAF
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Christopher
02:17:54 05/24/03
Injector duty cycle on the last run was 59%. MAF hit >>
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B-Ster
08:55:36 05/24/03
Are you sure about MAF, i thought it was 5v max
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Christopher
14:18:13 05/24/03
Kuah was who gave me the MAF voltage maximum; I have
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Bryan (AKA B-Ster)
21:46:25 05/24/03
The fuel temp would be in the ConZult logs
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Christopher
00:16:58 05/25/03
Re: The fuel temp would be in the ConZult logs
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Christopher
00:55:01 05/25/03
We actually peaked at 3.9 volts, not 4.9 volts. My memory
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Bryan (AKA B-Ster)
12:17:52 05/25/03
Sweet...pulling lots of air.... (n/m)
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Christopher
13:53:09 05/25/03
Bryan does not have a fuel temp sensor.
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Chip(GinnMotorsports)
17:29:52 05/25/03
That is the dyno of this year and last year I was looking >>
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George(boost-solutions.com)
08:52:28 05/24/03
Pentroof ran 21 degrees of timing on there TD 06 car >>
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B-Ster
08:59:09 05/24/03
Give me a call later today, like 2 pm. (n/m)
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George(boost-solutions.com)
09:29:21 05/24/03
I hope that it is only a lifter like Fred said.
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ZRO
21:28:05 05/24/03
Thanks Rohan. We will check on the lifter issue, but
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Bryan (AKA B-Ster)
21:47:49 05/24/03
I forgot to mention EGT guage readings!!>>
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B-Ster
09:54:22 05/24/03
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