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| Author | Subject: 4-2-1 gti6 manifold |
 stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #176
Don't forget they have a gearbox inside them, so the 10,000rpm input shaft speed gets turned into near 100,000rpm exit turbine speed similar to a turbo.  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
 Posted 3rd May 2012 at 10:55
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clen666
Seasoned Pro  Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #177
C38-81Peak input shaft speed is 12,000rpm Peak impeller speed is 90,000rpm ________________________________________ Team 'unintentional rat look' |
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Posted 3rd May 2012 at 10:56
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #178
clen666 wrote: C38-81 Peak input shaft speed is 12,000rpm Peak impeller speed is 90,000rpm Well done for finding that.  So as you can see, you are limited on pulley size to be able to keep the charger happy and reliable at the top engine rpm operating range. IMO, there is no point trying to cram in some boost at 2.5k with a small pulley size only to find you have to have a rev limit of 6.5k as otherwise the charger will fail... ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 3rd May 2012 at 11:03
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #179
stan_306gti6 wrote: clen666 wrote: C38-81 Peak input shaft speed is 12,000rpm Peak impeller speed is 90,000rpm Well done for finding that. I've wanted one for long enough, downloaded the spec sheets ages ago  ________________________________________ Team 'unintentional rat look' |
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Posted 3rd May 2012 at 11:12
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #180
Did you it feel like you were closer to your goal if you sat and read the spec sheets? ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 3rd May 2012 at 11:14
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clen666
Seasoned Pro Location: Co. Durham Registered: 12 Feb 2009 Posts: 2,401 Status: Offline |
Post #181
 ________________________________________ Team 'unintentional rat look' |
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Posted 3rd May 2012 at 11:22
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welshpug!
Capt Pedantic
 Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #182
stan_306gti6 wrote: IMO, there is no point trying to cram in some boost at 2.5k with a small pulley size only to find you have to have a rev limit of 6.5k as otherwise the charger will fail... there is, it will be faster. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 3rd May 2012 at 12:46
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eliotrw
Seasoned Pro  Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #183
Its so fast anyway that i'd rather the revs ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 3rd May 2012 at 12:51
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fatlapit
Seasoned Pro  Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #184
6.5 k of rev limit u driving a diesel?________________________________________ |
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Posted 3rd May 2012 at 13:25
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #185
thats what you would have to set the limit at if you wanted the charger to last more than 5 minutes________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 3rd May 2012 at 13:32
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welshpug!
Capt Pedantic
Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #186
no, diesels are 4k ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 3rd May 2012 at 13:33
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #187
which diesels are 4k?________________________________________ |
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Posted 3rd May 2012 at 13:41
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #188
also is the 6.5k rev limit the same for all sc conversions?________________________________________ |
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Posted 3rd May 2012 at 13:41
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eliotrw
Seasoned Pro Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #189
Fatlapit I think you are getting confused mate.High boosts rev to about 8 k low booost around 7.5 We are talking about changing the pulley size to get more power lower down but that means you would need to limit the rev's lower to prevent the SC from spinning at silly speeds ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 3rd May 2012 at 13:44
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #190
eliotrw wrote: Fatlapit I think you are getting confused mate. High boosts rev to about 8 k low booost around 7.5 We are talking about changing the pulley size to get more power lower down but that means you would need to limit the rev's lower to prevent the SC from spinning at silly speeds This...  ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 3rd May 2012 at 13:45
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #191
oh ok sounds a bit pointless imo just leave it as is (if it aint broke dont fix it)________________________________________ |
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Posted 3rd May 2012 at 13:50
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #192
fatlapit wrote: oh ok sounds a bit pointless imo just leave it as is (if it aint broke dont fix it) Yes, this is what was thought best and how the situation is currently. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
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Posted 3rd May 2012 at 13:56
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #193
i think if you wanted a minimal laggy engine boosted i think the most suitable engine would be a quad rotor boosted engine i belive________________________________________ |
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Posted 3rd May 2012 at 15:46
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midlife
Seasoned Pro  Location: Colne, Lancashire Registered: 13 Mar 2006 Posts: 7,544 Status: Offline |
Post #194
fatlapit wrote: i think if you wanted a minimal laggy engine boosted i think the most suitable engine would be a quad rotor boosted engine i belive Hmmm, I saw one of these at a show, looks expensive with 4 turbos  ________________________________________ Get used to seeing the yellow one !!! Team 330™ Team "no front end or engine" Team "LIMITED EDITION" I live for the 306 sticker  Team 0-60 in 6.44 & standing qtr in 14.808 @ 94.55mph all with std engine 203bhp Corolla T-Sport daily driver stealthier than Kwai Chang Caine |
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Posted 6th May 2012 at 03:07
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #195
Nah, one big turbo, 4 big rotors, sorted.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 7th May 2012 at 00:08
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