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Fg Xr6 Turbo 260Z 1977 2+2

260z xr6 turbo 2+2 engine conversion gtr

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#1 ORP967

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Posted 12 July 2017 - 08:03 PM

Gday Guys

 

my dream of owning a 260z started when I was young

I remember seeing photos of them and thinking I would love to own one someday

about 18 months ago my brother bought a Datsun 1200 ute and I decided i couldn't be left out and It was time to buy a Datsun myself

after cruising around on the internet for a few months I found a 2+2 and took the leap and bought it, thankfully i got it for the right price and

thankfully it was pretty strait and fairly rust free although someone had done a not so fantastic job of spraying it,

 

after getting her regod I made the choice to remove the L26 and auto and put in a rb25det and do a manual conversion

 

after completing the conversion a few months later I decided to pull the engine back out to restore the engine bay which after 40 years of neglect had seen better days, i know, i should have done this before putting the rb in there but i was excited ahaa

 

thankfully there was no rust that went any deeper than surface on the chassis rails and firewall and after hours and hours of sanding and priming the engine bay looked much much better

 

 whilst the engine was out i had been borrowing my brothers non turbo xr6 fg 6 speed manual ute i was impressed with how the engine went and after a couple of jokes about barras he convinced me ( im easily convinced)  to do a fg xr6t engine conversion, so that's what i am doing

 

 

after consulting a local engineer he has given me the go ahead for the conversion with the specific set of  guidelines, i have to seam weld the engine bay, inside the car, chassis bracing and upgrade the brakes and a few other bits a pieces

 

i found a cheap non turbo barra engine ($100) locally to mock up making the engine mounts and to figure out the right postion of the engine etc

while i hunt around for decent price complete conversion package

 

for the ecu i will  be using a Haltech elite 2500T aswell as full haltech wiring harness/loom, originally i wanted to  use a 6 speed manual but have decided that i will most likely use a 6 speed auto ( still kinda deciding)

 

as far as diff/suspension i have r200 LSD and z 31 upgrades shafts, will be using maddat coilovers all round with r33 gtr front calipers and r31 rears ( thanks to mark from street weapon restorations)

 

if all goes to plan in the next 4-5 weeks engine will be in and  running, the next stage is to  do all the rest to get it driving so i will deffinnatly post pics and videos when it has been finished

in the meantime i will upload the current photos i have of the car

 

cheers guys

 

 


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#2 my_mad_z

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Posted 13 July 2017 - 11:17 PM

The modifcation rules must be different in Newcastle; largest engine displacement with forced induction you can do in a 260Z 2+2 in Victoria is ~3600cc's. Good luck with the conversion, will definitely be a quick car!


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#3 260DET

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Posted 14 July 2017 - 08:14 AM

It will be quick for sure, of course the engine will need to be set back as far as possible (and a bit more) to help front/rear balance.



#4 ORP967

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Posted 14 July 2017 - 08:46 AM

The modifcation rules must be different in Newcastle; largest engine displacement with forced induction you can do in a 260Z 2+2 in Victoria is ~3600cc's. Good luck with the conversion, will definitely be a quick car!



the "rules" are not actual rules they are guidelines as to what you can do, so if you are wanting to go above 3600cc forced induction
Then you have to show "due cause" by adding extra strengthung, bracing and safety aspects to the car,

#5 ORP967

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Posted 14 July 2017 - 08:48 AM

It will be quick for sure, of course the engine will need to be set back as far as possible (and a bit more) to help front/rear balance.


I will have to no doubt
I am hoping its very quick haah

#6 PZG302

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Posted 14 July 2017 - 02:57 PM

In terms of driving with that engine package, I have a FG Turbo ute with auto and would have to say the auto is easier, better and smarter than the manual, if, and a big if you can get the electronics to work properly so it talks to the Haltech.

 

For simplicity the manual would be easier for the conversion.

 

In any case, that much torque will be interesting, to say the least, in a near 40 year old body that was pretty limp and noodly from the factory......

 

In summary a pretty stupid conversion, but one that is soooo right for so many reasons  :)  :)  :)  :)



#7 d3c0y

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Posted 14 July 2017 - 03:30 PM

You and Richard are going to have to start your own auto club. Seriously who wants a freaking auto sports car???

#8 260DET

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Posted 14 July 2017 - 04:27 PM

Pffft, some of us get over changing gears, actually that auto Falcon auto box is a beauty for circuit racing. Get the entire power train; engine, auto, computers, loom - plug and play.



#9 ORP967

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Posted 14 July 2017 - 10:57 PM

In terms of driving with that engine package, I have a FG Turbo ute with auto and would have to say the auto is easier, better and smarter than the manual, if, and a big if you can get the electronics to work properly so it talks to the Haltech.

For simplicity the manual would be easier for the conversion.

In any case, that much torque will be interesting, to say the least, in a near 40 year old body that was pretty limp and noodly from the factory......

In summary a pretty stupid conversion, but one that is soooo right for so many reasons :) :) :) :)


Yeah should be pretty good when it's done
Keeping the engine pretty stock, for now hha

#10 ORP967

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Posted 14 July 2017 - 10:58 PM

You and Richard are going to have to start your own auto club. Seriously who wants a freaking auto sports car???


You can shift it Manual with the triptronic style so best of both worlds I think but everyone's differnt

#11 ORP967

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Posted 14 July 2017 - 11:00 PM

Pffft, some of us get over changing gears, actually that auto Falcon auto box is a beauty for circuit racing. Get the entire power train; engine, auto, computers, loom - plug and play.


I definitely will be getting all the power train
Yeah the gearxoes are pretty sweet in them

#12 260DET

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Posted 15 July 2017 - 08:25 AM

As a matter of interest, do you know what the engine and auto weigh? Came across a bloke a while ago who used to sprint the family auto, had a few mods like brakes and had done a fair few kays. His lap times were damn good by any standard.



#13 PZG302

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Posted 15 July 2017 - 09:29 PM

Pretty heavy, the barra is a big lump of a motor that makes a L series look petite and lithe



#14 ORP967

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Posted 15 July 2017 - 09:55 PM

A L26 with all accs weighs around 220kg??

#15 ORP967

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Posted 27 July 2017 - 09:27 AM

So I have got the engine And gearbox on the way!
Came out of a Turbo FG-X sedan that had been t boned
Engine had 30 000 kms on it with the 6 speed auto
Very very keen to get it and start working on mounting the beast!

#16 ORP967

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Posted 27 July 2017 - 09:28 AM

I will jump on the computer in the next few days and upload some photos

#17 d3c0y

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Posted 27 July 2017 - 09:42 AM

You can shift it Manual with the triptronic style so best of both worlds I think but everyone's differnt

 

But not everyone is right


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#18 ORP967

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Posted 27 July 2017 - 10:13 AM

But not everyone is right


I don't know what you mean

#19 260DET

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Posted 27 July 2017 - 04:56 PM

He's being a smart arse, most unusual  ^-^


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#20 ORP967

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Posted 27 July 2017 - 05:20 PM

He's being a smart arse, most unusual ^-^


Yeah I know, I was being one back haha





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