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The mkiv Supra Owners Club

Turbo Upgrade to NA Supra


Guest cacorat

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Guest cacorat

Hi Guys (and gals)

First thread :)

Just about to buy a Supra mk4 that has been converted from NA to single turbo

its had the following conversion done profesionally (I did call up the company who did it and checked)

xs power t76 turbo

 

Whats somthing like this worth, its 1993 and how much should i be looking to pay for it.

Its in very good condition from what i have seen and looked aftered but dont know if its been abused, it looks too clean

Any advice on what to look out for?

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NAt I'd pay £6k for tops..... depending on it being a manual 5 speed, good condition, full history, low mileage, low conversion miles and a high quality job.

 

that sounds a bit low to me mate.

 

i'd have thought a top job with full history in manual (depending on year and mileage) would fetch over £7k.

 

we need that link though ;)

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that sounds a bit low to me mate.

 

i'd have thought a top job with full history in manual (depending on year and mileage) would fetch over £7k.

 

we need that link though ;)

 

I'm suprised with this 6k price, I would thought it will be same valuation like TT converted to small single at least! Of course all depends, how powerfull car is and exactly what was done (pistons, HG, fuel injectors etc). There is too many ??? to make proper valuation :p

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I'm suprised with this 6k price, I would thought it will be same valuation like TT converted to small single at least! Of course all depends, how powerfull car is and exactly what was done (pistons, HG, fuel injectors etc). There is too many ??? to make proper valuation :p

 

not quite, as you have to take into account that it was an n/a in the first place and as such there are no doubt additional risks in running a single on it and also the extra insurance costs etc.

 

that said, £6k is a little low imo.

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£6k is a little low imo.

 

Going by the fact that NA's are going for sub £2K now, good ones for £4K and exceptional ones for just over £5K.

 

TT's are not falling in value so fast, but my lovely example isn't worth me selling..... about £6.5K max and that's for BPU++.

So personally even a good NAt would be only £6K to me.

 

Just my personal opinion though ;)

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Going by the fact that NA's are going for sub £2K now, good ones for £4K and exceptional ones for just over £5K.

 

 

Where have you seen n/a's for under 2k? there's one at just under 3k on autotrader, the rest are £3,700 +

 

 

6k for an n/a-t sounds very good vfm to me :)

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Guest cacorat

the work was done by turbo fit UK.

It has had everything mapped and upgraded properly.

Its running at 394bhp on the wheels (with dyno)

millage is in the 50k's

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Well turbofit seem to have a great reputation on here so I would trust that the car has been looked after and has had a nice turbo install, personally I think the owner has gone ott with the interior and painting everything red but of course you can change that if you wanted to.

 

If the car is making near 400bhp and is up for £6800 that's not a bad price as you would need another 2-3k to get a bpu manual tt, but the thing is you could find an auto bpu tt for not much more than 7k, so I don't know, I probably would go with an auto tt, unless this car tick's all your boxes? I'd imagine though that this would be near to twice as much to insure than the tt.

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Well the body kit is loud and the interior is like a migraine but that's personal taste on my behalf :)

 

On a techie note I'm dubious of an NA -> turbo conversion that uses an Apexi AFc to control the fuelling. It's woefully limited in load sites and it's not pressure sensitive so it never knows what boost you are running. It looks very shiny under there but an XS power turbo and an inadequate engine management solution would keep me well away from it. Personally.

 

-Ian

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Guest cacorat

the insurance does seem to be a problem...

any recomendations...

a TT supra came out at £690 fully comp with no claims protection, a single turbo was rejected!

 

So the remapping problems...can they not be solved with a better ECU

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