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R31 Ls1 Conversion

v-spec2

By v-spec2,
in Victoria

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v-spec2 Apprentice

v-spec2

Posted
Posted

Hey guys , I'm planning to do a LS1 conversion in my series 3 R31 skyline. So i was wondering if you guys knew anything about the conversion or anyone who has done it? I plan to complete this project by mid next year if anyone could give me some useful information it would be great. I have already used the search criteria and could not find much information.

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https://www.sau.com.au/forums/topic/332914-r31-ls1-conversion/
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tm_r33 Experienced

tm_r33

Posted
Posted

im sure its been done many times before but as with any major engine conversion u will usually not find any two the same. thats the thing about it. you will spend many hours working things out and finding ways around things and finish with a car thats quite unique. of coarse when its a more simple conversion (say.. putting a 30 bottom end in a 33 or rb into a smaller nissan like a silvia) it may not take as much modification or innovative thinging as putting a big v8 in a completly unrelated chassis.

but im sure you will work through it. its far from the weirdest conversion ive seen. a hyundai excell with an ecotec engine with a huge single turbo hanging off it was a bit of an eye opener for me. the way the had to ...."adjust"..... the floor pan to suit rear wheel drive was lets just say, interesting lol

v-spec2 Apprentice

v-spec2

Posted
  • Author
Posted
im sure its been done many times before but as with any major engine conversion u will usually not find any two the same. thats the thing about it. you will spend many hours working things out and finding ways around things and finish with a car thats quite unique. of coarse when its a more simple conversion (say.. putting a 30 bottom end in a 33 or rb into a smaller nissan like a silvia) it may not take as much modification or innovative thinging as putting a big v8 in a completly unrelated chassis.

but im sure you will work through it. its far from the weirdest conversion ive seen. a hyundai excell with an ecotec engine with a huge single turbo hanging off it was a bit of an eye opener for me. the way the had to ...."adjust"..... the floor pan to suit rear wheel drive was lets just say, interesting lol

I'm just thinking of the fabrication that its gonna in vole in with the engine bay. But it is a project car so i should be expecting something like that.

tm_r33 Experienced

tm_r33

Posted
Posted

well yer there will be some fabrication i imagine. u will have to work out which crossmember and engine mounts and then if u run the ls1 gearbox u will have to work out the gbox crossmember and perhaps custom tail shaft. or if u wanted to use a nissan box u would need to find some sort of bell housing adaptor.

iseekool Veteran

iseekool

Posted
Posted
im sure its been done many times before but as with any major engine conversion u will usually not find any two the same. thats the thing about it. you will spend many hours working things out and finding ways around things and finish with a car thats quite unique. of coarse when its a more simple conversion (say.. putting a 30 bottom end in a 33 or rb into a smaller nissan like a silvia) it may not take as much modification or innovative thinging as putting a big v8 in a completly unrelated chassis.

but im sure you will work through it. its far from the weirdest conversion ive seen. a hyundai excell with an ecotec engine with a huge single turbo hanging off it was a bit of an eye opener for me. the way the had to ...."adjust"..... the floor pan to suit rear wheel drive was lets just say, interesting lol

off topic - but do you have pics or a link - sounds interesting

  • 3 months later...
V28VX37 Veteran

V28VX37

Posted
Posted

It's an interesting idea but probably worth doing a fair bit of research and running some figures before getting stuck into it. It'll most likely cost X times as much and take Y times as long as you originally budgeted for...

Some potentially helpful threads:

Mad machines, the lot of them! :worship:

R31Nismoid, the 240Z is mod plated and street legal in QLD ... good luck trying to get that done in VIC :(

SKYBEE Collaborator

SKYBEE

Posted
Posted

hi,

Just found this thread and thought if you were in need of some help i know a fella that did a ls1 conversion when he was working in western australia said it was a good job to do, Give Pete at Supreme Tuning a call 56299321

He can help point you in the right way if you lost

  • 4 months later...
SLIDN31 Contributor

SLIDN31

Posted
Posted

thought i would throw these in.....keep forgetting where i have posted lol

Mine finished and being thrashed as we speak lol. Yeh a mate who is an engineer said he can approve it for me, basically the same as my 25det went through for engineering...

http://www.skylinesaustralia.com/forums/topic/355725-ls1r31/

SLIDN31 Contributor

SLIDN31

Posted
Posted

Which VASS was it that said they would approve a 5.7ltr V8 into a 1300kg R31?

Not sure what a VASS is.....Pretty sure you can get anything engineered, its just how much your willing to put down. I got my 25 done very easily, just people are not willing to spend 2-3k on a shitty r31....but i like mine.

SLIDN31 Contributor

SLIDN31

Posted
Posted

It's an interesting idea but probably worth doing a fair bit of research and running some figures before getting stuck into it. It'll most likely cost X times as much and take Y times as long as you originally budgeted for...

Some potentially helpful threads:

Mad machines, the lot of them! :worship:

R31Nismoid, the 240Z is mod plated and street legal in QLD ... good luck trying to get that done in VIC :(

Not sure how to do these multi quote things, sorry for this.....built mine in 2 months....only 3k over budget :yes:

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Not sure what a VASS is.....Pretty sure you can get anything engineered, its just how much your willing to put down. I got my 25 done very easily, just people are not willing to spend 2-3k on a shitty r31....but i like mine.

You aren't from Vic - So unfortunately what you can do in your state has no bearing on this topic at all.

So as i said earlier, I'm very confident you'll never get a ~300kw LS1 registered into a R31 (factory of what, 140kw) in Vic which was the conversation being had.

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