TwinTurbo.NET: Nissan 300ZX forum - You will create way too much turbulence
Subject
You will create way too much turbulence
Posted by
Only1Z
on September 11, 2003 at 4:35 PM
This message has been viewed
28
times.
In Reply To
That doesn't make any sense.
posted by tonydanza
on September 11, 2003 at 11:18 AM
Message
if you go from 3" to 2.5". The exhaust will hit a barrier at 2.5" and create turbulence. You want 2.5" straight through. It will definitely speed up the exhaust velocity and not create any turbulence.
Follow Ups
2.5 or 3.0 test pipes
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robriw3
08:08:44 09/11/03
0.5in is the difference
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JC_NS
08:28:04 09/11/03
Get the same size as the rest of your exhaust. (n/m)
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Kenny 9 psi
08:29:33 09/11/03
2.5 supports huge amounts of power. (n/m)
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BigTDogg
08:34:07 09/11/03
read this...greg dupree's take on this
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genic
08:38:45 09/11/03
I agree with most everything except exhaust speed.
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JC_NS
08:45:49 09/11/03
thats what greg said. 3 slows it down. 2.5 doesnt
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genic
09:31:59 09/11/03
I don't agree with the 900 HP thing.
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tonydanza
10:42:09 09/11/03
downpipes first "downpipes own, they own everything"
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Scotts94z32
09:19:06 09/11/03
2.5 even if you went twin T88s. (n/m)
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KàPPá¹
09:29:57 09/11/03
Bad advice.
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Chip(GinnMotorSports)
10:05:19 09/11/03
Sarcasm. Laugh a little. (n/m)
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KàPPá¹
10:10:04 09/11/03
2.5 x 2 > 3.5 x 1 ...*shrug* (n/m)
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genic
10:11:37 09/11/03
Just barely though
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U ZCREAM
10:16:46 09/11/03
"yea 2.5" is way more than enough for a Z32"
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genic
10:23:21 09/11/03
yeah but to say that dual 2.5" is good for a 1799 hp Z
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T0M
11:08:10 09/11/03
If he is using TWIN T88s, surely he would have 2 downpipes
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Chip(GinnMotorSports)
11:03:48 09/11/03
dont fight with me...i have a mullet :)
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genic
11:07:42 09/11/03
I shouls stop giving advice for "hypotheticals"
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Chip(GinnMotorSports)
11:14:06 09/11/03
i want twin t88's on the bird (n/m)
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genic
11:24:49 09/11/03
It helps if downpipes are larger than the rest o the exhaust (n/m)
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tonydanza
10:43:26 09/11/03
Since the air there is a lot hotter. (n/m)
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tonydanza
10:45:28 09/11/03
tell samantha hi and stick to your mid-80's day job (n/m)
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genic
10:57:40 09/11/03
Do you have any empirical data to support this?
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Kenny 9 psi
10:56:56 09/11/03
empirical data -->
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genic
11:00:11 09/11/03
Re: empirical data -->
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RobWR14
11:17:03 09/11/03
That doesn't make any sense.
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tonydanza
11:18:13 09/11/03
You will create way too much turbulence -
Only1Z
16:35:05 09/11/03
Re: You will create way too much turbulence
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tonydanza
20:30:31 09/11/03
At the expense of back pressure...
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Only1Z
22:15:29 09/11/03
Re: At the expense of back pressure...
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tonydanza
10:06:23 09/12/03
use search ---this topic has come up a lot as
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Slowninja(Delaware)
09:41:21 09/11/03
Stock turbo's 2.5 ( CFM dependant )
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ZBlacktt
11:57:08 09/11/03
I think you had an answer in mind when you asked this Q...
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Boris
18:18:44 09/11/03
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