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Search Results
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Thread: How to adjust VNT stop screw ?
Post: RE: How to adjust VNT stop screw ?
| vnt boost is set up in mapping, not by the screw stop! If you can't achieve the boost curve the mapping wants, because it can't close enough - then you start to look at the mechanical side of things (... |
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Chairchild |
XUD Section
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15 |
7,986 |
28-09-2015, 08:24 PM |
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Thread: turbo adapter
Post: RE: turbo adapter
| it'll kill you... over a very very very VERY long time (the tiny soot particles can build up in your lungs - over a period of decades)
Either get a machine shop to flatten the adaptor, or use a but... |
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Chairchild |
XUD Section
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3 |
1,267 |
30-08-2015, 12:37 PM |
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Thread: Taking apart ve pump
Post: RE: Taking apart ve pump
| if you're planning on storing it for a while, put it in engine oil. I too have had two tubs of parts stored in diesel, only to come back a year later, and find them covered in thick gunge, and a layer... |
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Chairchild |
XUD Section
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13 |
2,661 |
11-07-2015, 06:03 AM |
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Thread: Xud to hdi clutch. Flywheel question.
Post: RE: Xud to hdi clutch. Flywheel question.
| HDi flywheel is something like 38-2 toothed setup, XUD is just a simple 4 tooth affair
If using an angle grinder to remove the teeth - be sure that you don't get the flywheel hot, just "tickle" t... |
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Chairchild |
XUD Section
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5 |
1,469 |
11-06-2015, 09:38 PM |
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Thread: VSR turbo balancing
Post: RE: VSR turbo balancing
| I've had a turbo sat on my bench I'm *dying* to fit, for over 6 months.... but it needs a rebuild. So on the bench it stays.
If it needs a rebuild, it's a pro job. Rebuilding turbos is simply not... |
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Chairchild |
XUD Section
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34 |
8,075 |
03-05-2015, 09:43 PM |
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Thread: VSR turbo balancing
Post: RE: VSR turbo balancing
| I give it 500-1000 miles before it's shagged ;)
Although, I've seen home-built turbos die after half an hour of running too. Makes quite a mess on the dyno |
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Chairchild |
XUD Section
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34 |
8,075 |
03-05-2015, 08:58 PM |
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Thread: bosch VE land rover 300tdi
Post: RE: bosch VE land rover 300tdi
| boost leak - possibly something coming loose at high airflow/pressure |
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Chairchild |
XUD Section
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9 |
1,997 |
19-04-2015, 06:12 PM |
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Thread: VSR turbo balancing
Post: RE: VSR turbo balancing
| think of it this way... if you built a house, then asked a builder to put his name against it, without even looking inside, do you think he'd say ok, or would he just laugh at you?
Most of the issu... |
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Chairchild |
XUD Section
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34 |
8,075 |
19-04-2015, 09:22 AM |
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Thread: VSR turbo balancing
Post: RE: VSR turbo balancing
| no turbo company will balance a turbo, not built by themselves. Anywhere.
And if you DO find somewhere that does, avoid them at all costs, as they clearly dont give a rats ass about supplying som... |
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Chairchild |
XUD Section
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34 |
8,075 |
16-04-2015, 07:01 PM |
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Thread: XUD Compound turbo project.
Post: RE: XUD Compound turbo project.
| Dissertation subject for my BEng degree in Automotive Engineering :) I was supposed to have a budget of £50, but the engine rig itself ran to over £1k in costs, lol. Machining time for the rest of the... |
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Chairchild |
XUD Section
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21 |
8,800 |
07-03-2015, 11:32 PM |
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Thread: XUD Compound turbo project.
Post: RE: XUD Compound turbo project.
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Dum-Dum Wrote: (07-03-2015, 07:44 AM)
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The only thing I would want would be either a better knowledge of the travel of different boost cans at different pressures or to be able to adjust the length... |
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Chairchild |
XUD Section
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21 |
8,800 |
07-03-2015, 11:56 AM |
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Thread: XUD Compound turbo project.
Post: RE: XUD Compound turbo project.
| mechanical vnt control is pants at best, and an exhaust brake at worst. Did my dissertation on the subject - one setup gave so much resistance, we couldn't start the engine! lol |
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Chairchild |
XUD Section
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21 |
8,800 |
06-03-2015, 11:31 PM |
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Thread: Cheap Chinese Pump Heads , any good?
Post: RE: Cheap Chinese Pump Heads , any good?
| turbos are a different kettle of fish - a chinese turbo may well be balanced as good as any (it's only a balancing machine, which can be bought by anyone) but the tolerances can mean you won't get *as... |
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Chairchild |
XUD Section
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16 |
3,950 |
21-02-2015, 10:12 PM |
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Thread: Cheap Chinese Pump Heads , any good?
Post: RE: Cheap Chinese Pump Heads , any good?
| you've convinced yourself it'll be fine - so why are you still asking?
PS: when it breaks, the whole pump will need disassembly to remove all the shards of hardened steel, along with flushing the i... |
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Chairchild |
XUD Section
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16 |
3,950 |
20-02-2015, 01:28 PM |
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Thread: Cheap Chinese Pump Heads , any good?
Post: RE: Cheap Chinese Pump Heads , any good?
| I know someone who tried a chinese head on his Rover - literally didn't even get the chance to get it in to gear, before it sheared the piston in two... |
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Chairchild |
XUD Section
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16 |
3,950 |
19-02-2015, 09:43 PM |
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Thread: Cheap Chinese Pump Heads , any good?
Post: RE: Cheap Chinese Pump Heads , any good?
| I wouldn't even buy that as an expensive desk ornament tbh |
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Chairchild |
XUD Section
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16 |
3,950 |
19-02-2015, 12:49 PM |
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Thread: MLS headgasket enquiries.
Post: RE: MLS headgasket enquiries.
| CR is a simple measurement of volume - it has nothing to do with boost. |
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Chairchild |
XUD Section
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14 |
3,928 |
18-02-2015, 05:43 PM |
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Thread: forged rods xud
Post: RE: forged rods xud
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vinny Wrote: (17-02-2015, 01:30 PM)
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i think the killer with the xud is the ridiculous weight of the pistons 864g a rod and piston about 1.6 kilos
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Just weighed my Rover L series conrod, pisoto... |
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Chairchild |
XUD Section
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19 |
5,580 |
18-02-2015, 07:14 AM |
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Thread: MLS headgasket enquiries.
Post: RE: MLS headgasket enquiries.
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vinny Wrote: (15-02-2015, 05:10 PM)
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use the mls its loads better just buy the thickest one if ur running more boost than standard
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And your reasoning behind this is? |
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Chairchild |
XUD Section
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14 |
3,928 |
15-02-2015, 09:45 PM |
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Thread: MLS headgasket enquiries.
Post: RE: MLS headgasket enquiries.
| increasing the piston to head clearance does three things:
1) reduces static CR, so an immediate (if minimal) performance drop
2) reduces the amount of squish, which whilst not *as* important on an ... |
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Chairchild |
XUD Section
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14 |
3,928 |
15-02-2015, 02:50 PM |
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Thread: Gt2359v
Post: RE: Gt2359v
| ping off the arm, and see if you can move it - should flap about with ease |
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Chairchild |
XUD Section
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25 |
6,855 |
02-02-2015, 06:53 PM |
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Thread: Bosch Pump inquires..
Post: RE: Bosch Pump inquires..
| 12v signal - quite a low frequency (same as required by an N75 solenoid IIRC)
Easy enough to set up 100% at idle, and a linear ramp down to 0% at max rpm - then just tweak from there :) The Rovers ... |
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Chairchild |
XUD Section
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7 |
2,923 |
31-01-2015, 08:19 PM |
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Thread: Bosch Pump inquires..
Post: RE: Bosch Pump inquires..
| look under where the injection lines come out of the pump - under the high pressure head. If you see two wires going into a solenoid, in-line with the axis of the pump, it's got a timing solenoid.
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Chairchild |
XUD Section
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7 |
2,923 |
31-01-2015, 06:36 PM |
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Thread: Turbo Terminology
Post: RE: Turbo Terminology
| Feel free to read my Dissertation: Mechanical control of variable turbine turbochargers
Expands on some minor details :) |
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Chairchild |
XUD Section
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12 |
3,389 |
30-01-2015, 07:57 PM |
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Thread: Td04 hybrid help
Post: RE: Td04 hybrid help
| Just grab a GT1752 - much better out of the box than any TD04 :)
The second you even *loosen* the compressor nut, it'll need rebalancing - and no company will touch a turbo they haven't rebuilt t... |
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Chairchild |
XUD Section
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5 |
1,619 |
26-01-2015, 10:02 PM |
