3.5 litre 2GRFE V6 MR2 Roadster

The last incarnation of our beloved mr2..Discussion and technical advice for the ZZW30 MR2 Roadster (MR-S), & MR2 Spyder. 1ZZ-FE.

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Rogue
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Joined: Tue Jul 30, 2013 12:02 pm

3.5 litre 2GRFE V6 MR2 Roadster

Post by Rogue »

Hi All,

Here is some footage of one of the 2GRFE equipped MR2 Roadsters that will be racing at Anglesey this weekend in the MR2 Super GT series. The video was taken last Friday at Snetterton and is the first time the car has been driven in anger - it can't really be pushed on public roads due to the rate at which it exceeds the speed limits!

Leaving the garage:
http://www.youtube.com/watch?v=T1FcnO0xXZo

Drive by:
http://www.youtube.com/watch?v=jtMchLfN340

As you can see, the car is not yet complete - the flat underbody and front splitter need finishing and then the cars off to be resprayed and liveried. It should be finalised before next month's Brands Hatch meeting.

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michael
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by michael »

Do you have an "off the shelf" price for one of these or is it dependant on donor vehicles and spec?
phipck
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by phipck »

a work of art chaps, really is ace to see this level of R&D in what most would consider "just a garage", proving you are cut from a different cloth :thumleft:
tonigmr2
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by tonigmr2 »

It sounds the part!!

I know almost nothing about these engines, what sort of power?
ashley
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by ashley »

About 280bhp out of the box with similar (~290) torque's...sounds like a lotta fun: torque available from about 8rpm \:D/
tonigmr2
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by tonigmr2 »

Easy tuneable?
Marf
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by Marf »

tonigmr2 wrote:Easy tuneable?


Manifold, decat, exhaust induction is meant to yield around 320hp on these.

Possibly more if mapped, but bear in mind you need an ECU that will deal with the dual VVti.
Rogue
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by Rogue »

michael wrote:Do you have an "off the shelf" price for one of these or is it dependant on donor vehicles and spec?


Not really - it depends on a lot of things, but it's by no means a budget option. It can be done cheaper than we've done it with the race cars that we've built though since they've got a lot of motorsport specific options.

tonigmr2 wrote:Easy tuneable?


Lotus have upgraded the 2GRFE in the Evora to 4.0 litres and 400PS with what they describe as "mild" headwork (and obviously some rod / piston / crank funkiness). We have a good idea how to achieve this and it's on the cards for the future.

marf wrote:Possibly more if mapped, but bear in mind you need an ECU that will deal with the dual VVti.


We're using the Link G4 Xtreme which is controlling both the Quad VVTi and the drive by wire throttle.
Marf
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by Marf »

Oh cool, I knew Link were working on adding the capability to control the VVTi system but wasnt aware it was now available :thumleft:
Rogue
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by Rogue »

Marf wrote:Oh cool, I knew Link were working on adding the capability to control the VVTi system but wasnt aware it was now available :thumleft:


Thor Racing put in the graft to provide Link with an engine position solution for the 2GRFE, so all credit to them for that. The first 2GRFE conversion we did (a mk2 tarmac rally car) ran without VVT control for it's first event:

Dyno:
http://www.youtube.com/watch?v=VRXGWk1n8to

phipck wrote:a work of art chaps, really is ace to see this level of R&D in what most would consider "just a garage"


Actually, more than half of what we do at the moment is racing or motorsport related and it's the direction that the company is expanding into. I'm very keen that we don't lose sight of our roots though and we'll always be there for the more mundane and routine jobs too.
rossdymond3352
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by rossdymond3352 »

Car's like that make me start to really quite like the mk3.

:thumleft:
castrolfan
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Joined: Sat May 08, 2010 10:00 am

Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by castrolfan »

thats a cracking car :thumleft:
i aways dismissed the mk3 thinking it was too slow... but with a bit (ok alot) of work its faster than a mk2 turbo :shock:
Mr2_NA
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by Mr2_NA »

ashman wrote: torque available from about 8rpm \:D/


:lol: :lol: :lol:
PW@Woodsport
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by PW@Woodsport »

Very nice Patrick :thumleft:
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PaulM
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by PaulM »

Marf wrote:Oh cool, I knew Link were working on adding the capability to control the VVTi system but wasnt aware it was now available :thumleft:

DTA have had it for a couple of years, but their ecus are very much race focussd.
cantfindausername
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Re: 3.5 litre 2GRFE V6 MR2 Roadster

Post by cantfindausername »

Looks good.

Nice animated vid of the engine here: http://www.youtube.com/watch?v=mPb6qt84 ... re=related
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