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Gt2871 upgrade mods #1609549
14/10/2017 06:54
14/10/2017 06:54
Joined: Oct 2013
Posts: 31
Mowsley
D
Darranevans Offline OP
Discoverer
Darranevans  Offline OP
Discoverer
D

Joined: Oct 2013
Posts: 31
Mowsley
Hi
I've purcased a genuine garratt gt2871 to replace the std turbo on my forged 20vt.

The std turbo has a nipple on the aluminum casting 'air side' which pipes to what looks like the wastegate relay then to the wastegate actuator.

The new Gt2871 has no nipple on it so is there a walk around mod or do i need to tap in a new nipple on the aluminum housing ?
If so does it matter were as long at its not in the way of pipe work?

Any help would be appreciated
Thanks ! Darran

Re: Gt2871 upgrade mods [Re: Darranevans] #1609550
14/10/2017 07:03
14/10/2017 07:03
Joined: Sep 2006
Posts: 17,114
FCSS 01684 593187
Countrycruising Offline
Club Rep Europe, member 914
Countrycruising  Offline
Club Rep Europe, member 914
Forum veteran

Joined: Sep 2006
Posts: 17,114
FCSS 01684 593187
Plumb a T'piece into the FPR vacuum line up by the idle control valve and run that to the control valve, it'll operate fine from there.

Re: Gt2871 upgrade mods [Re: Darranevans] #1609558
14/10/2017 07:41
14/10/2017 07:41
Joined: Oct 2013
Posts: 31
Mowsley
D
Darranevans Offline OP
Discoverer
Darranevans  Offline OP
Discoverer
D

Joined: Oct 2013
Posts: 31
Mowsley
Thanks for that
Question
Thought the nipple and pipe from the aluminum casting is positive pressure which then go's to the fmic then motor ?

Re: Gt2871 upgrade mods [Re: Darranevans] #1609573
14/10/2017 13:26
14/10/2017 13:26
Joined: Sep 2006
Posts: 17,114
FCSS 01684 593187
Countrycruising Offline
Club Rep Europe, member 914
Countrycruising  Offline
Club Rep Europe, member 914
Forum veteran

Joined: Sep 2006
Posts: 17,114
FCSS 01684 593187
Yes you're quite right, plumbed in on the snail it would be positive pressure and ideally controlled from there but if you haven't got that take off point it'll work and be safely controlled from the manifold, certainly better then risking over spooling your new turbo.


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