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Volunteer needed for 3.1 power modification -

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Gribble
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Joined: 11 Oct 2007
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Location: Holset H221W

PostPosted: Sun Mar 15, 2015 14:02    Post subject: Volunteer needed for 3.1 power modification - Reply with quote

Now some of you know that the injector pump on the 3.1 is the same as a land rover 200 & 300 Tdi but probably with a few more cc's of fuel in the metering ring  and it's a popular question about more power from a 3.1 so I think this product should work ?
Yes I know you can tweak the pump but this is fairly cheap and quite easy to do .


https://www.youtube.com/watch?v=jASVCMO2jYU

I'll buy it if somebody fits it and does a before and after post .  Smile Wilky ? Robbo ? Pedro ?
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PostPosted: Sun Mar 15, 2015 14:02    Post subject: Google Ads keep this community free to join!


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Red Robbo
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PostPosted: Sun Mar 15, 2015 16:03    Post subject: Reply with quote

Very interested Mr "G"......I assume ( I've used that word agin  Embarassed  ) you set the fuel screw back to stock and adjust on the star wheel ?
Should give better performance at lower boost, how does it cope with higher boost pressure 16psi + ?
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Gribble
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PostPosted: Sun Mar 15, 2015 19:29    Post subject: Reply with quote

Looks like we are going to find out  Smile
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Gribble
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PostPosted: Sun Mar 15, 2015 19:35    Post subject: Reply with quote

Could you try my hybrid  Garret VN turbo at the same time too ? works off boost so no vacwac needed to it .
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Retro Pedro
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PostPosted: Sun Mar 15, 2015 21:59    Post subject: Reply with quote

This will be an interesting watch Simon.
Being that mines a 2.8 Isuzu lumped Frontera, would have needed to check that the fuel pump is the same as that used on the 3.1 Trooper.
Also I've forgotten what my untweeked pump performs like, the last time I put any fuel in it was last November Rolling Eyes
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Gribble
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PostPosted: Sun Mar 15, 2015 23:38    Post subject: Reply with quote

The "Gribblepin " (  gonna get flack off Devon 4x4 over that lol ) is on its way to Monsieur  Rouge .

There is a whole running frontier LWB  with a 2.8 Isuzu lump Tdi  in that same breakers yard you came to   drive it away 600 quid .
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Red Robbo
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PostPosted: Mon Mar 16, 2015 17:56    Post subject: Reply with quote

Gribble wrote:
Could you try my hybrid  Garret VN turbo at the same time too ? works off boost so no vacwac needed to it .


Sure, but I'll try the Gribblepin solo first  Wink  Which address have you sent it to, Heathfield or Burgess Hill.
Could you explain to me about the turbo and no "vacwac" please  Embarassed  Think I would have to look at intercooling though, after fracturing the hybrid 3.0 one I'm now running a stock 3.1 i/c.....
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Gribble
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PostPosted: Mon Mar 16, 2015 18:41    Post subject: Reply with quote

Variable vane  turbo -  like having two turbos so you get boost from about 1400 rpm and once max boost is there the vanes open out so the turbine don't go any faster .

Main advantage is the early power and steady boost figure through most of the rpm range . Good for offroading I rekons .

Just got a  Isuzu 3.0 Dmax VT one  onto the Mazda lump in the landy   Very Happy  But I'm using a pressure actuator not a vacuum one so its adjustable from the seat .

Pm me where the gribblepins going please Ted
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Retro Pedro
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PostPosted: Mon Mar 16, 2015 22:49    Post subject: Reply with quote

Gribble wrote:
The "Gribblepin " (  gonna get flack off Devon 4x4 over that lol ) is on its way to Monsieur  Rouge .

There is a whole running frontier LWB  with a 2.8 Isuzu lump Tdi  in that same breakers yard you came to   drive it away 600 quid .


That's a fair price Simon for the 2.8 which is the pick of the bunch. The other one to look out for is the 3.2 SWB B series - again Isuzu lump, same as the Trooper. Apparently they go like a rocket and can burn the Corsa boys off at the lights. The only downer is they are more car like with rack and pinion steering and not as robust as the A series. Not quite a Vehicross but the next step down.
Albert and Harold keeping good?
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Aragorn
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PostPosted: Wed Mar 18, 2015 16:59    Post subject: Reply with quote

Whereabouts did you find the boost-controlled VNT turbo? Whats the original application or is it a custom job?

Most seem to be vacuum/ECU controlled.
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Gribble
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PostPosted: Thu Mar 19, 2015 20:44    Post subject: Reply with quote

Not sure this is a pressure actuator but I have a Greddy one to go on .



Eithan should recognise that  Smile
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Aragorn
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PostPosted: Fri Mar 20, 2015 12:28    Post subject: Reply with quote

Ah so its a normal vacuum actuated turbo and your going to convert it?

Be interesting to see how you get on, i think it can be quite difficult to get the conversion to work due to how sensitive the VNT mechanism is.
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Gribble
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PostPosted: Thu Mar 26, 2015 21:24    Post subject: Reply with quote

Seems the way to go is a Dawes valve (1 or 2 ) and a boost controller  . Will post up the results soon .
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JP
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PostPosted: Sun Apr 26, 2015 12:06    Post subject: Reply with quote

Can you confirm the 300tdi fuel pin works for the trooper?
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Gribble
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PostPosted: Tue May 12, 2015 20:16    Post subject: Reply with quote

Umm, at the moment no because ole fart A forgot to send it to ole fart B who didn't notice . Embarassed

Should have some info very soon but I don't see why it won't work in any VE pump.
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