Nissan Silvia 1.8ZX turbo -250bhp!!

Black Bug

Well-Known Forum User
Originally posted by evo zero
entertaining:
that's good ....better than being dull !
am assuming your compliment extends to both 'speedfreak' and myself ? ;) :D

But of course!

Originally posted by evo zero
power:
unlikely....
[/B]

Oh well, like I said, I've been known to be wrong before :D

Originally posted by STEVE BURNS
maybe we should have a seperate general for sales/wanted section
[/B]

A very good idea.
http://www.zclub.net/forum/showthread.php?s=&threadid=1392
:D

Cheers,
Rob
 

evo zero

Forum User
Originally posted by zedhead260
Tell me how much the car weighs and I could work out what your available horse power is at the wheels.

curious...but why ?

fyi:
the car was rolling roaded at 310.6 bhp; weight was approx
1100 kg
 

evo zero

Forum User
Originally posted by STEVE BURNS
we have had a member reporting this post on a matter of princapal that the for sales section says it is for Z related items only
the guy in question is correct.
maybe we should have a seperate general for sales/wanted section
I am begining to lean towards a seperate for sales section,
god knows we need as many posters on the almost silent forum to get other nonusers to stay here once they have registered
sorry to highjack thread but what do you all think?

agree...& disagree

problem with this forum is that there is very little traffic at present ....many times that I've logged on..looks as if there's no-one here or that have been on recently
Splitting it up into non-Z ads, won't generate any more hits or attract more users...

if you go to many other car forums....all ads are in the same space
although non-specific 'chat' areas are separated out
in this case it would be...'Z' and 'non-Z related'
why not have a link to the 'Nissan Turbo Owners club' or 'gt-ir' forums etc etc

As you've stated, the ad in question has actually generated some interest
...the last thread of this ilk that i remember reading, was the ad and subsequent numerous posts about the yellow widebody imsa 280Z a few months ago

cheers
:D
 

STEVE BURNS

Club Member
Originally posted by evo zero

As you've stated, the ad in question has actually generated some interest
...the last thread of this ilk that i remember reading, was the ad and subsequent numerous posts about the yellow widebody imsa 280Z a few months ago

cheers
:D

would appear that the only way to get a thread really going is for the a poster to take to umbridge a reply to thier post as is the case here, in the yellow 280ZX thread and the Goertz thread in soap box

going to try to upset some others
my view is the first generation Z were vastly overrated as they were nothing but rustbuckets not a patch on the stags and mgbs
and as for Samuris all they are, are a glorified kit car :D so says the guy with 280ZX Kaminari


Now lets see how that goes down if that don't stir it up nothing will ;)
 

zedhead260

Well-Known Forum User
Originally posted by evo zero
curious...but why ?

Purely to demonstrate mathematics. Here goes-

Firstly convert 1110kg's into Pounds
1110 x 2.2046224 = 2447 lbs

Horse Power = weight in lbs/ (Elapsed Time/5.825) cubed

or HP = lbs/ (ET/5.825)3

HP = 2447/ (12.9/ 5.825)3

HP = 2447/ (2.214)3

HP = 2447/ 10.8526

HP = 225 at the wheels.

Allow say 25% transmission loss = 281 flywheel HP, 29HP down on what the rolling road gave you.

To quote Skiddell "I have seen HUGE differences between different shops (try nearly 30 hp on the same set-up)"

There are of course a couple of variables.

1 - The weight is not correct, did this include YOU ? The more weight you carry along that 12.9 seconds the more HP the equation will give you. Consider fuel load too.

2- Also, 12.9 may just be your personal best, it could be capable of running a 12.4 with a perfect start and no wheel spin.

You get the idea.
 

SKiddell

Well-Known Forum User
Top post

Now that’s interesting

Thanks zedhead260 for an excellent post with some very useful info applicable to all.

I would tend to trust figures derived from repeated runs like this, rather than the guy with the rolling road who likes the £50-£70 per hour he charges, obviously an optimistic figure will keep the custom rolling in. Oh and BTW VERY few rolling roads are calibrated to any standard.

I was chatting to Rita Wilcox (of Wilcox engines) in Hinckley, amongst other things they do engine development work for triumph motorcycles and have a very impressive rolling road and multiple dyno set-up (one of the best in the country) and she confirmed that variations of this nature across dynos were not unusual.
 

evo zero

Forum User
yes...thanks Zedhead
very interesting
I shall use that for future runs/calculations etc
cheers

& SKiddell
you're correct
rolling road runs do vary across companies/the country

personally, I don't favour them as the airflow fans that are often used do not allow sufficient cooling of charge temperatures
...particularly in turbo engines
Once saw an engine go pop because of this a few years ago...
- a 5 minute rr session cost the guy £4000 for a rebuild
 
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Tony 260Z

Club Member
There I was just girding my loins for a blast at Steve for belittling first gen Z's (does my 260 class as first gen or is that only 240's?) and then I re-read his post and saw that what he'd actually said was "rustbuckets"... and I thought... well... yeah, gotta admit he's got a point :)

Also, I don't know about the Stag, but my Dad had an MGB roadster for a while. Absolutely lovely to drive, started first time every time, good looking little car (it was in A1 nick), lovely gearbox, great engine sounds... but absolutely no power. Nada. Zip. Not a sausage. Zeeeeerrro. Its get up and go had got up and gone. Nought to sixty in yawnnnn...

Have been following this thread with interest, but it's outside my area of knowledge so no posts. Thanks though chaps!

TL
 

Mr.F

Inactive
The drag strip is the cheapest "real world" rolling road available. £15 for as many runs as you can fit in on a day in an environment with like-minded enthusiasts and direct comparisons with similar cars makes a mockery of a £50 an hour rolling road - and the point is already made about turbo cars with or without intercoolers and the efficiency of the airflow on a static rolling road. The only value of a rolling road is in making progressive comparisons on the same day for initial set-up purposes or testing carb jet settings - don't expect to come back next week and get comparable figures, or go to rolling road 'B' and then brag about your extra 30bhp he found you.

BTW, the next drag strip meet / show is 19th / 20th June at Santa Pod Raceway - Japanese Performance weekend. See meetings thread, but the Z Club will have a dedicated pit area for show and competitors.
 

Russ

Club Member
Originally posted by zedhead260
FYI

Worked from "Auto Math Handbook" by John Lawlor

ISBN 1-55788-020-4

:)

Off topic but thanks for the ISBN, been looking around Amazon for the book for ages and could never find it! :)
 

speedfreak

Active Forum User
Originally posted by STEVE BURNS
we have had a member reporting this post on a matter of princapal that the for sales section says it is for Z related items only
the guy in question is correct.

maybe we should have a seperate general for sales/wanted section

IMHO allthough this original post is not actually Z related it could be of interest to Z/ZX enthusiasts and has turned into a very interesting thread on power gain per £ value

I am begining to lean towards a seperate for sales section,
god knows we need as many posters on the almost silent forum to get other nonusers to stay here once they have registered

sorry to highjack thread but what do you all think?

Umm The car in question is a S12 Silvia 1.8ZX so?????
 

TenmanS14

Well-Known Forum User
LOL, they think its FWD, shows how much they know. you sure that's not on about.

edit: was gonna say you sure thats not on about a BlueBird Turbo and then I noticed it said Silvia at the top... strange, the S12's are called Silvia ZX turbo's though.

nope, the Gazelle's are RWD as well, Strange, just looks like they muffed it
 
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john-boy

Well-Known Forum User
Originally posted by TenmanS14
LOL, they think its FWD, shows how much they know. you sure that's not on about.

I can't see anyone moaning about which wheels are driven, Tenman, me ole china (but that could just be my dim old eyes ;) )... FYI I'm sure most people on here are well aware that the S12 is RWD, as is the Bluebird turbo.

The point is merely that if you read the conditions of use on the For Sale and Wanted section, it stipulates that items posted should be Z-related, so if one of the members decides to raise the issue, then it needs to be taken seriously by committee members and moderators. A Silvia Turbo ZX is no more a Z than a Sunny ZX or Bluebird ZX... so it's a fair comment.

I think it's fair to say, however, that everyone takes on board the comments about keeping the forum traffic up, good debate etc, and equally since I'm sure that because the car in question is a performance Nissan, people are liable to be interested.

Therefore, if we're going to remain within the rules of the forum, it seems we'll need to have another "General" for sale area, which has already been raised in the past by other members. Seems like a good idea to me.

I don't think it was in anyway an attack on Speedfreek, or the excellent thread that his advert spawned. Just a request for clarity.

CheerZ,
JB.
 

STEVE BURNS

Club Member
Originally posted by speedfreak
Umm The car in question is a S12 Silvia 1.8ZX so?????

I am not a ejit and I can be as sarcastic as the best of them, I know the car in question is a S12 Silvia 1.8 ZX but it is not a Datsun/ Nissan Fairlady Z/ZX model type by any stretch of the imagination. :rolleyes:

If you have a look at what cars the club caters for in the FAQ section unless my memory fails me I don't think the Silvia ZX is mentioned at all

Oh I have just had a look myself and this is what it says

"The Z Club is a independant non-profit Club run for its members by members who are all Z/ZX enthusiasts. We are not associated in any way with other Club, Business or Organisation. The Z Club welcomes owners, drivers and enthusiasts of any Datsun/Nissan Fairlady Z or ZX model type regardless of engine or year." :rolleyes:


Oh and before you jump down my throat
bad day today myself, soz if I came across a bit huffy sorry!!
:D
 

john-boy

Well-Known Forum User
Originally posted by john-boy
A Silvia Turbo ZX is no more a Z than a Sunny ZX or Bluebird ZX... so it's a fair comment.

Steve, is there an echo in here, echo in here? ;) :D

Hope you're having a better day today, mate, but I suspect I'm about to find out anyway!! :D

CheerZ,
JB.
 

speedfreak

Active Forum User
Originally posted by STEVE BURNS
I am not a ejit and I can be as sarcastic as the best of them, I know the car in question is a S12 Silvia 1.8 ZX but it is not a Datsun/ Nissan Fairlady Z/ZX model type by any stretch of the imagination. :rolleyes:

not throat jumping but... surely a / means or -yes?

so its datsun or nissan fairlady z or zx model -yes?

so why doesnt it count?? its a Nissan ZX??

and why didnt this guy get any hassle??

http://www.zclub.net/forum/showthread.php?s=&threadid=1818

surely your not THAT elitist;) ;) :D

so can i continue to advertise my car on here?
 
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