TwinTurbo.NET: Nissan 300ZX forum - Install the downpipes, install high flow cats. (n/m)
Subject
Install the downpipes, install high flow cats. (n/m)
Posted by
Dustin
on February 08, 2006 at 7:58 PM
This message has been viewed
421
times.
In Reply To
ohhh snap.... I was really excited about finally installing
posted by Southern-Z (Little Rock)
on February 08, 2006 at 07:32 PM
Message
Follow Ups
Im going to take a conversation over here from technical
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SnowManZ
16:20:39 02/08/06
I've seen this happen when switching cars from cats to TP's.
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Dave N
16:25:16 02/08/06
I put in dp's and tp's, and they started smoking sometimes,
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Waco300zx
16:28:06 02/08/06
mobil 1, I already had test pipes on there before I had
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SnowManZ
16:28:52 02/08/06
No, they're still running. I've switched one car to a
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Dave N
16:33:38 02/08/06
I'm headed home for the night - if you want to discuss this
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Dave N
16:35:33 02/08/06
Down pipes on original turbos (150,000) did cause any...
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JoneZ
16:32:22 02/08/06
Were your pre cats gutted?
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CrazyGreek
16:36:16 02/08/06
No my pre cats weren't gutted. anything is possible.
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SnowManZ
16:40:47 02/08/06
Don't confuse the two.
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SactoTodd
16:37:34 02/08/06
Exactly what I was thinking. Not just cats but the AIV
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CaliguyPurdue
16:43:51 02/08/06
Seen it a few times before. One of the most rememberable
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Ash's Z
16:38:47 02/08/06
That makes sense as an explaination of the variation, but...
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JoneZ
16:47:55 02/08/06
The lower the pressure in the exhaust, the greater the
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CaliguyPurdue
16:54:32 02/08/06
I am uploading my turbo rebuild images to help answer
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Ash's Z
17:01:17 02/08/06
Great explanation! That makes sense to me now
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JoneZ
17:12:39 02/08/06
So basically, if you have stock/sp500 turbos, there a chance
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Waco300zx
17:47:32 02/08/06
piggyback question...
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LJZTT
17:55:25 02/08/06
thats the excact question I wanted to know (n/m)
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SnowManZ
18:02:56 02/08/06
That all depends on how worn out the turbos are.
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Ash's Z
18:10:58 02/08/06
Well, it isn't isolated to just stockers or sport500s.
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Ash's Z
18:01:33 02/08/06
interesting that this is never talked about much...
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Waco300zx
00:41:21 02/09/06
expand your search terms in the tech forum.
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Spee
01:50:27 02/09/06
I think it has to do with age, condition of the seals.
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Spee
16:40:47 02/08/06
Some of them do need backpressure to work properly.
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Ash's Z
16:47:42 02/08/06
Should I get some, cats to put ont the testpipes?
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SnowManZ
16:57:09 02/08/06
You aren't the first to experience this. It is my opinion
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Ash's Z
17:06:20 02/08/06
from what youve seen...
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nissanZtt222
17:12:18 02/08/06
There is no specific timeframe. It is all dependent on the
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Ash's Z
17:16:46 02/08/06
thanks ash, guess ill just have to hope (n/m)
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nissanZtt222
17:18:59 02/08/06
Re:I have close to 5K on my new Sport 500's>>>
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racer2fst
17:30:23 02/08/06
Good to hear, Rob. It sounds like you may be past the
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Ash's Z
17:33:58 02/08/06
unfortunetly the midpipes are long gone.
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SnowManZ
17:16:13 02/08/06
Well, hold in there for my variable backpressure exhaust
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Ash's Z
17:19:13 02/08/06
price of your exhaust plus turbos vs turbo's and cats
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SnowManZ
17:33:47 02/08/06
well that was probably from the cats, not the seals...
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Spee
17:50:10 02/08/06
Oh, I definately agree with you on all of your points.
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Ash's Z
17:57:13 02/08/06
clarification...
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Spee
18:35:04 02/08/06
Ah - the cats are going to break down SOME of the oil
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Ash's Z
18:41:25 02/08/06
that was my stance on why mine started smoking... (n/m)
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Waco300zx
00:37:57 02/09/06
I agree and disagree due to my situation.
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inf
17:32:47 02/08/06
not sure where to but in here, but although Ash is talking
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LJZTT
17:36:28 02/08/06
i am referrin to stockers. we discussed how the 500's
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SnowManZ
17:43:51 02/08/06
hmm, well looks like I will be holding onto my current
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LJZTT
17:52:35 02/08/06
Exactly. I was using the Sport500s as an example.
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Ash's Z
17:52:57 02/08/06
crystal clear now, thanks (n/m)
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LJZTT
17:56:40 02/08/06
Alright Ash one more question. Are turbos cooked now,
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SnowManZ
18:06:51 02/08/06
Easy answer, YES (on both counts).
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Ash's Z
18:10:08 02/08/06
not what I wanted to hear. Why isnt this problem more
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SnowManZ
18:18:09 02/08/06
Well, there are downsides to upgrading a vehicle -
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Ash's Z
18:39:24 02/08/06
yep, I searched, used the usual keywords, but the
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SnowManZ
18:46:53 02/08/06
And you wont see it on other turbo car forums either
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SeedyROM
18:59:16 02/08/06
I'd like to think we are more knowledgeable on this forum
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Ash's Z
19:11:48 02/08/06
so its true? we are far superior to other car forums?
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SnowManZ
19:14:24 02/08/06
Thinly veiled as ever Ash. All hail to you.
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SeedyROM
20:28:03 02/08/06
This is not controversial at all. It is very clear-cut.
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Ash's Z
20:54:13 02/08/06
I don't think so.
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Spee
01:23:05 02/09/06
it's been discussed several times.
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Spee
00:58:27 02/09/06
what problem?
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Spee
00:55:39 02/09/06
it seems like the info of something like that should be
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SnowManZ
01:27:12 02/09/06
are you kidding?
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Spee
01:35:37 02/09/06
I have mentioned it several times
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ZEngineer
09:46:38 02/09/06
ohhh snap.... I was really excited about finally installing
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Southern-Z (Little Rock)
19:32:37 02/08/06
Install the downpipes, install high flow cats. (n/m) -
Dustin
19:58:51 02/08/06
Everyone run for the hills, the sky is falling.
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SeedyROM
20:29:49 02/08/06
Snowman's car started smoking after installing downpipes.
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Ash's Z
20:55:44 02/08/06
**raises hand** me too.. Now my turbo is seized... (n/m)
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Waco300zx
00:31:58 02/09/06
mine didn't
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Spee
01:42:26 02/09/06
it's not an isolated case *raises hand* (n/m)
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ZEngineer
09:51:33 02/09/06
why are being a dick? I came on here
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SnowManZ
21:46:51 02/08/06
I find it incredibly interesting that this thread got bumped
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Ash's Z
22:25:35 02/08/06
Interesting indeed. The title of the thread, says that
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SnowManZ
23:36:47 02/08/06
conspiracy! (n/m)
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Spee
01:43:33 02/09/06
Word is the EPA damaged the seals so we'd all run cats! (n/m)
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CaliguyPurdue
10:38:07 02/09/06
I think it belongs in Tech
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Technomancer
09:10:57 02/09/06
Of course you do
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SeedyROM
14:05:31 02/09/06
oh and FWIW
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SeedyROM
14:32:11 02/09/06
ugh
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Spee
01:28:38 02/09/06
just install them, if the car smokes, put the precats back
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LJZTT
21:52:28 02/09/06
spoken like a true TT newbie...
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Spee
16:17:17 02/10/06
I'd be curious to know if there is a link to this situation
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Dave N
09:26:49 02/09/06
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