V8 RX 7?

Author
Discussion

Pulsatingstar

1,715 posts

249 months

Tuesday 17th May 2005
quotequote all
The silver one is Scoots NA 4 Rotor.

The gold one looks like an SR20 and not an RB20 to me. My S14 is loads more economical than my FD, which is why it gets used more day to day.

That said, some mpg reports Ive seen on SXOC for higher tuned cars arnt far off what my FD seems to manage. Which is about 14mpg average.

DanBoy

4,899 posts

244 months

Tuesday 17th May 2005
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(Notice he said 14mpg average, which means he sometimes gets more).

Pulsatingstar

1,715 posts

249 months

Tuesday 17th May 2005
quotequote all
DanBoy said:
(Notice he said 14mpg average, which means he sometimes gets more).


Yeah, but never much more. Even being sensible on a motorway keep it in teens. Best I ever got was about 22mpg, and that was mostly all motorway sub 3000 rpm as my friend was running his car in. When I done that in the S14 it was 38 mpg.

Pierscoe1

2,458 posts

262 months

Tuesday 17th May 2005
quotequote all
Pulsatingstar said:

The gold one looks like an SR20


oops, stand corrected..

those mpg figures tell the tale..
question is whether I want to pay DOUBLE on fuel and have an FD, or get an S15 which is almost as powerful, more spacious, more reliable, just as tuneable and rare.. but just not an FD !

iaint

10,040 posts

239 months

Tuesday 17th May 2005
quotequote all
Pierscoe1 said:
but just not an FD !


Exactly

iaint

10,040 posts

239 months

Tuesday 17th May 2005
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Pierscoe1 said:
Really!?!? <10mpg on a blast?

blimey.. that is interesting...


Remember the full figures I quoted for mine - ~7mpg at silverstone - where I'm keeping the revs > 6k and am on boost for a large part of the time.

I've had 330 miles from 63 litres of fuel on a trip back from cornwall a few weeks back (24mpg) - including a 20 mile blat across Dartmoor (lots of acceleration and hard braking).

A scoob, evo, supra or liner would return the same mpg tp produce the same performance.

If economy is such an issue for you then you really shouldn't be looking at a high-powered car but maybe something that feels really quick but isn't... mx-5 maybe?

I don't think you'll find the whole ownership experience of the S15 is in the same league as the more interesting Jap metal either... imo (and not trying to annoy any owners) they're a bit dull.

Or just stop dithering, buy an FD and something dull and cheap for the mundane driving. You know it makes sense.



Iain

bad_roo

5,187 posts

238 months

Wednesday 18th May 2005
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USed to know a guy in the States with a small block in his Rex. He lived in Arizona and had constant cooling problems with his rotary. He tried a few solutions and eventually got so fed up he junked the engine in favour of the V8. Reckoned he should have done it a long time before...

Pierscoe1

2,458 posts

262 months

Wednesday 18th May 2005
quotequote all
iaint said:

I've had 24mpg, including a 20 mile blat across Dartmoor.


see that's quiote a bit better than some other figures that have been thrown around.. 24 including some "fun" sound fine really..

iaint said:

A scoob, evo, supra or liner would return the same mpg tp produce the same performance.


scientific? or pub talk?

iaint said:

mx-5 maybe?


yeah.. seen my profile?
I do want a fast car, obviously.. but tales of 16mpg average, compared to 30+mpg average for say a 200SX (also not slow..) are just un-nerving!

iaint said:

S15 ,they're a bit dull.


compared to an FD,sure.. but still much nicer than most other stuff on the road.. and a damn-sight more interesting than an evo/scoob, which are just too common imo.

thanks for the responses

Pulsatingstar

1,715 posts

249 months

Wednesday 18th May 2005
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S15's.

Id still like one of them, but finding a Spec R Aero is going to be difficult, and cost twice as much as an early rebuilt FD or similar to a late FD.

And although FD prices are all over the place at the moment, if you still have it in 3 years you can wave goodbye to any residual as everyone brings them over (cheapo tat ones too, which hurt the whole market) as they wont need the SVA.

Pierscoe1

2,458 posts

262 months

Wednesday 18th May 2005
quotequote all
why won't they need the SVA? thought all imports now had to go through E-SVA !?!?

residual thing is a pain, certainly, but if I had an FD, I don't think I'd sell it.. at least not until I could afford an NSX.. and then I could probably afford to not worry too much about how much I got back for the FD


just to ad to what I was saying earlier, these are all from the back of Evo (so only a guide, but a guide none-the-less):

RX7 16mpg
Porsche 928 17mpg
Evo 7 20mpg

993 C2 25mpg
NSX 23mpg
Chimera 5.0 26mpg
S2000 28mpg
Impreza P1 25mpg
RX8 25mpg
200SX 29mpg
Celica GT4 29mpg

some serious performance metal there.. with SUBSTANTIALLY better mpg's.....

Ted, why doesn't the board support tabs!

>> Edited by Pierscoe1 on Wednesday 18th May 18:55

The DJ 27

2,666 posts

254 months

Wednesday 18th May 2005
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As has been mentioned, buy an FD and a cheapo car for mundane communting and crap like that. You can get a mint old shap Fiesta for well under a grand, which, dull and achingly slow as it may be, will keep you mobile while your pristine RX-7 waits in the garage to be driven properly on evenings and weekends

Pierscoe1

2,458 posts

262 months

Wednesday 18th May 2005
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don't think I could afford 2x Insurance, 2x Tax, 2x Servicing, 2x MOTs...

plus we couldn't fit 3 cars on the drive, and I couldn't bring myself to drive a crappy car all week... I want to drive a good car everyday.. hence the possible better suited-ness of the S15 over the RX7....

DanBoy

4,899 posts

244 months

Wednesday 18th May 2005
quotequote all
30+ MPG from a 200sx?

I swear my n/a MR2 barely returns mid-20s most of the time!

I say stop being so rational about things and just take the plungs - I would if I had the money!

>> Edited by DanBoy on Wednesday 18th May 19:49

Pierscoe1

2,458 posts

262 months

Wednesday 18th May 2005
quotequote all




Pulsatingstar.. just looked at your profile again.. and was initially dissappointed that you'd swapped the FD pic for a 200sx one (albeit nice drift), but then clicked the "currently owned" RX7... and stared for about 25mins.... that is an awesome picture! don't suppose you want to pass on a high-res one for wallpaper purposes do you..

>> Edited by Pierscoe1 on Wednesday 18th May 21:53

flat_steve

1,533 posts

248 months

Thursday 19th May 2005
quotequote all
Kind of unsure how to add to this debate without regurgitating what I've said before but here goes.

The RX-7 is rare because nobody wanted to spend £35,000 on a Mazda with a strange engine that drinks almost as much oil as it does petrol. It's rare because only about 150 were officially sold on these shores. It's rare because it's generally accepted the engine needs a rebuild at 60,000 miles. It's rare because the likes of NSU were busy destroying Mr Wankel's reputation in the 60's and 70's with the likes of the Polonez. It's rare because a car that can be picked up second-hand for as little as £5,000 has an MPG figure rivalled only by Bentleys and old Ferrari's.

But you know what? None of that makes a damn bit of difference. For less than ten grand you can buy arguably the most achingly gorgeous car ever to have come out of japan, that can pretty much keep up with a 911, is incredibly rare on the roads, that (if properly maintained) bears no relation to old rotary horror stories... And who really cares if your car does 17ish mpg when you're accelerating to 60 in 4.9 seconds anyway?

My RX-7 is my daily driver and I've had it a year and done 10,000 miles in that time, so I've proved to myself that such a car (if it's a properly maintained, unabused example) is perfectly practical as an everyday car. I've avoided having to get a daily hack to compliment her for two reasons, one I couldn't bring myself to drive a $hitty slow heap with a rex on my driveway, and two I haven't needed to as the rex has been suprisingly practical, reliable and even, dare I say it, cheap to run. I've paid out for a couple of services, two tyres and a bit of cheap mineral oil in 12 months. Don't believe the horror stories.

GravelBen

15,698 posts

231 months

Thursday 19th May 2005
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iaint said:



Getting a scoob engine to sit low enough would be tricky I think and also - isn't the scoob engine transverse?




Nope. how on earth would you make a transverse engined AWD boxer? Tis a (relatively) simple longitudinal drivetrain.

scooby motors sit significantly lower than your average 4-pot, but are also very wide(due to pistons going out instead of up) which would probably make some problems with fitting. would be funny to do it just for a laugh though.....

Edit to say:
about the V8 conversion, you see the odd one or 2 older shape RX7-V8s being raced over here (they called them RX8's for a decade or so before mazda built their own RX8) and they're damn quick on track.

Having heard a lot more bad experiences than good ones with rotaries it would seem a nice way to go for some more reliable power.

>> Edited by GravelBen on Thursday 19th May 02:16

Pulsatingstar

1,715 posts

249 months

Thursday 19th May 2005
quotequote all
Piers.

Yes at the moment all S15s need the ESVA. It is possible to get them through right now though as there is a model report available but the car needs to be standard. Theres not many coming in at the moment. Its only cars <10yrs old that need and SVA though on rolling date, so once the earliest Japanese cars hit that id expect in influx unless the rules change by then.

The mpg figures from Evo seem a bit high accross the board imho. I just put £45 in the FD this morning though and didnt even make 3/4s of a tank

Ive done the FD daily driver thing, and being honest Id advise against it. Car was fine doing it, but it does add up fast on fuel. When you work out costs another 2nd car might be cheaper overall. Even my S14 returns at least twice the MPG and isnt what you would call an economical car.

Oh, profile pic. Im afraid thats the only version I have of it. I just found it on the internet after attending a crappy cruise event at Donington Park. The things you have to do for free track time It blew up just after that. I dont advise drifting with a stock FD fuel system. I cant handle it. Just normal track driving seemed ok though.

shadowninja

76,399 posts

283 months

Thursday 19th May 2005
quotequote all
Pffff mpg schempg. If you're worried about that, you're in the wrong hobby

I have no idea what my car does but when it gets low, I fill it. Might do about 150 miles on £40 a tank, but then when the engine's warm and the oil's warm I drive it how it was intended.

iaint

10,040 posts

239 months

Thursday 19th May 2005
quotequote all
GravelBen said:

iaint said:
Getting a scoob engine to sit low enough would be tricky I think and also - isn't the scoob engine transverse?


Nope. how on earth would you make a transverse engined AWD boxer? Tis a (relatively) simple longitudinal drivetrain.


I sit corrected!

iaint

10,040 posts

239 months

Thursday 19th May 2005
quotequote all
Pulsatingstar said:
I dont advise drifting with a stock FD fuel system. I cant handle it. Just normal track driving seemed ok though.


Standard power levels and you're okay as long as you keep > 1/4 tank in there. If you're on sticky tyres or more power then some attention needs paying - e.g. swirl pot or scavenger pumps. Or if you have money some baffles fitting in the tank! Uprated fuel pumps (e.g. bosch 044's) will suck air on less than 1/4 tank at times.