340 turbo what problems

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glenw
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Joined: 10 Feb 2009 10:10 pm

340 turbo what problems

Post by glenw » 14 Jun 2009 09:04 am

hi,just about to collect renault 5turbo engine,has anybody on here done this swap,i need to know what problems i will run into,my volvo is a 14 so hope its pretty straight forward,,,,,any tips you have much needed,,,,cheers glen

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volvodspec
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Re: 340 turbo what problems

Post by volvodspec » 14 Jun 2009 09:55 am

- modify std 340 sump with an turbo oil return and another return for the crankcasebreather system.
- use std volvo waterpump, alternator, crankpully
- use std volvo engine mounts
- use std volvo bellhousing/stater motor/flywheel/clutchparts
- re-locating turbo with custom exhaust manifold
- new oil/water feeds for/to turbo
- offcourse, fabricating intercooler system
- 5gtt experts strongly recommend a sandwichplate + additional oil cooler system!!!
- if you use over 0,5bar boost you'll need an uprated clutch (sachs paddleplate)
- use 5GTT ignition unit! (the one that comes with the engine)
- use 5gtt fuel parts (electric fuel pump, fuel pressure regulator, carb etc)

and those are the biggest problems all by all. i'm busy with one at the moment, but i've converted the standard B14 with all the GTT parts, the engine block is identical for C1J-B14 (there's even a renault mark on the B14!!) see my project link on here:
http://www.volvo300mania.com/forum-uk/v ... =13&t=7946

and the more expanded version at the v3c website:
http://forum.volvo300club.nl/showthread.php?t=4503
Last edited by volvodspec on 14 Jun 2009 02:44 pm, edited 1 time in total.

glenw
Posts: 7
Joined: 10 Feb 2009 10:10 pm

Re: 340 turbo what problems

Post by glenw » 14 Jun 2009 02:39 pm

thanks for your help,,is the ig nition unit a straight swap or is a bit of wiring needed,will the sump need swapped over for the original, thanks again for your help,,,,,cheers glen

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volvodspec
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Re: 340 turbo what problems

Post by volvodspec » 14 Jun 2009 02:43 pm

5gtt sump won't clear the steering rack.

what year and engine(b14.***) is the 340 currently?

glenw
Posts: 7
Joined: 10 Feb 2009 10:10 pm

Re: 340 turbo what problems

Post by glenw » 14 Jun 2009 03:14 pm

its a1986 b14,have you been able to keep your heater system intactor did that have to go,,,,

glenw
Posts: 7
Joined: 10 Feb 2009 10:10 pm

Re: 340 turbo what problems

Post by glenw » 14 Jun 2009 03:18 pm

ignition system,was that a straight swop ,electrics are my least favourite things,,thanks again my friend

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volvodspec
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Re: 340 turbo what problems

Post by volvodspec » 14 Jun 2009 03:30 pm

1986, that will probably be a B14.4E and that engine is allready equipped with a Renix ignition system. so yes that is factory pre-wired! however you'll have to check the amount of connectors going into the unit on both the gtt and the 340. for making the unit work, it needs a 3p connector and a 2p connector. when a third connector is plugged in, the ignition is set either 3 or 6 degrees extra before tdc. if there are wires in that third connector in the gtt chassis, you'll just have to use that same connector and ground these wires in the volvo chassis.

you can keep the heater system if you run a custom exhaust manifold. this will be the best solution since all the oil, coolant and intercooler hoses will be a rediculous mess with the standard manifold.

oh and since it is a mk3 you'll need to swap the front enginesupport mount from the std b14 to the gtt engine, just 2 bolts so don't bother about that.

glenw
Posts: 7
Joined: 10 Feb 2009 10:10 pm

Re: 340 turbo what problems

Post by glenw » 14 Jun 2009 03:36 pm

thanks again,you just know im going to be in touch again about the ignition side of things,,thanks mate

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