Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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20th February 2018, 12:27
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#1
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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Turbo dudes - Bracket / Support
For those who remain who are boosted (or know of any threads with pictures that are still active) how did you support the turbo's weight?
I'm attempting to make a bracket. Looking for ideas.
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20th February 2018, 13:01
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#2
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Infrequent Poster
Join Date: Jun 2017
Posts: 102
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Turbo’s aren’t heavy they just bolt to the manifold and that hold the weight
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20th February 2018, 16:19
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#3
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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Quote:
Originally Posted by AdamL200
Turbo’s aren’t heavy they just bolt to the manifold and that hold the weight
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Maybe if yours is made of polystyrene.
Unfortunately the weight hanging from the manifold and the contraction/expansion from the heat destroys them. Mine has already been welded once when a tiny GT17 was hanging on it. Long term you need it bracing.
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The Following User Says Thank You to sri_130 For This Useful Post:
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20th February 2018, 17:40
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#4
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Regular Poster
Join Date: Jan 2008
Location: Birmingham
Posts: 458
Car(s): Saxo vtr turbo
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Mine just hung off the manifold but I had a tubular manifold so don’t know if that makes any difference regarding strength etc
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20th February 2018, 18:07
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#5
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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I can't comment on the strength but the cituning one defo can't take the weight of this new turbo. It must be near 12kg I reckon or at least double the old one.
You didn't have yours 2 minutes Craig!
Something using rod ends is what I'm thinking, like so:
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20th February 2018, 18:17
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#6
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Regular Poster
Join Date: Jan 2008
Location: Birmingham
Posts: 458
Car(s): Saxo vtr turbo
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Hahaha I know mate but I built it enjoyed it then moved on lmao yea good shout that
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20th February 2018, 19:26
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#7
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Saxperience Forum Bum
Join Date: Dec 2012
Location: Perth
Posts: 3,663
Car(s): Peugeot 106 1.1 Turbo
Peugeot 106 1.5D Turbo
Peuge
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I moved my battery and sat my turbo on the tray lol
it's only pipes.
__________________
The rain kept a trollin'
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20th February 2018, 19:26
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#8
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Infrequent Poster
Join Date: Jun 2017
Posts: 102
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12kg? How big is this turbo exactly lol
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21st February 2018, 07:59
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#9
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Infrequent Poster
Join Date: Jun 2012
Location: bristol
Posts: 168
Car(s): Mk1 (mk2 in disguise) vtr turbo.. sort of. (N3 EBH
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I had no problems with a gt25 on a dp manifold, had a gt28 on there for a short amount of time also.
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21st February 2018, 13:18
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#10
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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Quote:
Originally Posted by AdamL200
12kg? How big is this turbo exactly lol
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It's big.
It shouldn't be really, being inbetween at GT17 and GT25 in Garrett's range...
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21st February 2018, 19:37
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#11
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Infrequent Poster
Join Date: Jun 2017
Posts: 102
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Ye that is big lol but I still can’t belive it’s 12kg an actual garret t25 only weighs 6kg
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21st February 2018, 20:43
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#12
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Saxperience Forum Bum
Join Date: Jul 2010
Location: South Wales
Posts: 3,074
Car(s): ZX 16v, 205 GTI, 309 Goodwood, 405 MI16.
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most oem stuff either have a properly hench cast iron manifold,AND a brace or two.
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22nd February 2018, 09:05
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#13
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Infrequent Poster
Join Date: Jun 2012
Location: bristol
Posts: 168
Car(s): Mk1 (mk2 in disguise) vtr turbo.. sort of. (N3 EBH
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Is it just the picture or does it sit that low down? You might run into issues with an oil return if it is sat as low as it looks
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22nd February 2018, 11:33
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#14
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Saxperience Forum Bum
Join Date: Jul 2010
Location: South Wales
Posts: 3,074
Car(s): ZX 16v, 205 GTI, 309 Goodwood, 405 MI16.
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looks to be above the top of the sump so should be fine.
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23rd February 2018, 12:51
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#15
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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Yeah it does sit above so there is a downward slope for the return, a better pic is somewhere in my thread.
For now, I've got a picture to work on how I might rig up the brackets. Possibly a bracket from the oil return flange, to a longer M10 bolt through the bell housing. Using tie rods to get the tension.... or I might ask the exhaust place to make a triangular bracket from the hot side flange...
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23rd February 2018, 14:03
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#16
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Saxperience Forum Bum
Join Date: Jul 2010
Location: South Wales
Posts: 3,074
Car(s): ZX 16v, 205 GTI, 309 Goodwood, 405 MI16.
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downpipe studs are good for this, link it up to the bellhousing bolt somehow if possible.
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25th February 2018, 19:09
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#17
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Frequent Poster
Join Date: Nov 2009
Posts: 576
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Some of your cracking issues could be down the expansion and contraction differences since some of your runners are much longer than others.
That and vibration are the usual culprits.
A slip joint on runners 1 & 2 would probably solve it, obviously you need an inner and outer sleeve and they need to fit together properly (read "not shit tube with a nasty seam inside") or it will blow.
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4th March 2018, 07:47
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#18
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Infrequent Poster
Join Date: Aug 2010
Posts: 175
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I am using the cituning manifold also, my gt17 has a 8mm bolt hole underneath to which I had the exhaust place when adding a flexijoint into decat pipe make a little bracket out of some 6-10mm steel strips, it literally is basic as fck and bolts from turbo to gearbox, it won't hold a bus but is stopping any rocking/play and has been fine this far. As far is I no all turbos should be supported in some way.
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12th July 2018, 16:50
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#19
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Regular Poster
Join Date: Jan 2015
Location: Naestved, Denmark
Posts: 281
Car(s): ex-Blue 106 Rallye 1.6 '97
Black 106 Gti '99
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Quote:
Originally Posted by sri_130
It's big.
It shouldn't be really, being inbetween at GT17 and GT25 in Garrett's range...
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How did you setup the return line from the head?
And are you feeding the oil to the turbo from the front of the block?
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12th July 2018, 20:38
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#20
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Frequent Poster
Join Date: Apr 2012
Location: Doyncaster
Posts: 783
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Quote:
Originally Posted by Nimix
How did you setup the return line from the head?
And are you feeding the oil to the turbo from the front of the block?
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Yes the feed is from the oil pressure switch on the front of the block.
What return line on the head?
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