TwinTurbo.NET: Nissan 300ZX forum - but a lower CR/higher boost combo will always make more TQ.
Subject
but a lower CR/higher boost combo will always make more TQ.
Posted by
Marshall
on October 29, 2003 at 9:50 PM
This message has been viewed
59
times.
In Reply To
It will increase both, it is essentially raising the VE of
posted by Chip(GMS Racing)
on October 29, 2003 at 08:59 PM
Message
The *effective* displacement increases when you run more boost, increasing torque. Remember, at 14.7 psi, your engine effectively has doubled its displacement.
Follow Ups
Endyne Pistons
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aliaZ
20:24:00 10/29/03
YAY! I can not wait.... I must have.
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ni[X]it
20:25:31 10/29/03
my pleasure (n/m)
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aliaZ
20:41:41 10/29/03
who want 9.2 : 1 in a TT? (n/m)
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Halo Z
20:30:12 10/29/03
I do. Bigtime.
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ni[X]it
20:32:00 10/29/03
you are a weird one nick. (n/m)
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Halo Z
20:33:31 10/29/03
You just wait Ric. I'll show you. *I'll show you ALL*
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ni[X]it
20:34:40 10/29/03
I was thinking about 9.5:1
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Chip(GMS Racing)
20:41:10 10/29/03
yup. my goals arent the same tho.
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ni[X]it
20:44:50 10/29/03
Shouldn't HP be up, torque down a bit with a higher CR?
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Marshall
20:47:24 10/29/03
i think that is a by product of SOHCs vs DOHCs
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Halo Z
20:51:48 10/29/03
no, even on the same engine, such as VG30DE vs. VG30DETT
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Marshall
21:47:48 10/29/03
Apples to oranges
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Chip(GMS Racing)
22:18:11 10/29/03
yeah, on pump gas
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Marshall
22:34:22 10/29/03
You are correct, I am always thinking about my setup
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Chip(GMS Racing)
22:36:00 10/29/03
FWIW...
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aliaZ
07:11:58 10/30/03
Testing needs to be done before that claim is made.
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Marshall
09:07:48 10/30/03
testing has already been done...
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aliaZ
09:53:10 10/30/03
interesting...
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Marshall
12:00:11 10/30/03
It will increase both, it is essentially raising the VE of
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Chip(GMS Racing)
20:59:59 10/29/03
but a lower CR/higher boost combo will always make more TQ. -
Marshall
21:50:09 10/29/03
Catch 22: Turbos have to be spooled = not low end. (n/m)
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MugenRacer
09:36:33 10/30/03
yeah
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Marshall
11:57:28 10/30/03
What compression should I go with?
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TwinTurboPete
23:42:20 10/29/03
The CR has to be matched to the turbos Pete
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Carlos Ramirez
05:54:15 10/30/03
I don't want to use race gas all the time.
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TwinTurboPete
08:01:07 10/30/03
at 18PSI we should be around 580-600RWHP which is ok for pum
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Carlos Ramirez
09:30:30 10/30/03
and I wouldn't go much further than 8.5:1 because
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Carlos Ramirez
10:31:51 10/30/03
I do too
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aliaZ
20:40:54 10/29/03
Re: Endyne Pistons
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300Z31
20:33:58 10/29/03
not that I could tell
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aliaZ
20:38:10 10/29/03
sweet...
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Spee
20:38:52 10/29/03
looks like a good idea..
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Carlos Ramirez
20:45:42 10/29/03
how's your car coming along?
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Spee
21:03:53 10/29/03
Actually I do..
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Carlos Ramirez
21:15:32 10/29/03
thanks (n/m)
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aliaZ
21:31:01 10/29/03
Where can we get them, and how much are they? (n/m)
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boileralum
20:52:08 10/29/03
they are brand spanking new
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aliaZ
21:36:00 10/29/03
first you go fondling my EFI harness, now you're spanking
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Guapo
21:50:44 10/29/03
lol (n/m)
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aliaZ
22:10:43 10/29/03
Thanks. I'm still not 100% decided if I want to do a stock
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boileralum
22:00:38 10/29/03
Beautiful. Where Can I get 6 of them? (n/m)
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bb0ys
20:53:11 10/29/03
I'll get pricing and availability info shortly (n/m)
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aliaZ
21:32:16 10/29/03
Not really, you can mod the head to do the same thing
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HakenTT
21:20:30 10/29/03
good idea. Everyone go and dremel your heads now.
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Spee
21:27:40 10/29/03
awesome. maybe you could do a FAQ on that? (n/m)
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Guapo
21:28:50 10/29/03
bad idea
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aliaZ
21:30:09 10/29/03
don't argue with him.
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Spee
21:39:57 10/29/03
lol (n/m)
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Tennyson (ATL)
21:49:59 10/29/03
What a doofus.... (n/m)
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RSR
06:12:01 10/30/03
Niiiiiicccccccceeeeeee :-)............................... (n/m)
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Kyle(Houston)
21:38:12 10/29/03
I might be interested in these. (n/m)
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BooZTT (Hawaii)
22:42:27 10/29/03
good one spee :)
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EMPIRE_zTT
23:01:01 10/29/03
purdy!
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Janders
23:15:40 10/29/03
Gonna Swain coat 'em? Still seems like 2 much compression.
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teahead
10:48:11 10/30/03
I agree, too many people read magazines these days.
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nixit
12:16:38 10/30/03
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