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26th January 2012, 16:08
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#941
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Saxperience Post Whore
Join Date: Oct 2005
Location: Sydney
Posts: 8,525
Car(s): Mango Westcoast
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Ryan - car currently weights 821kg's with half a tank of fuel. 170 / 0.821 =207bhp per ton
Carbon bonnet (10kg's) + other savings will bring it down to 800kgs or less. 225 / 0.800 = 281bhp per ton
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The Following User Says Thank You to jpsaxo For This Useful Post:
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26th January 2012, 16:13
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#942
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Super Moderator
Join Date: Feb 2004
Location: Tonbridge United Kingdom (England)
Posts: 38,236
Car(s): Vtr, 172, throttle bodied track slut
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Quote:
Originally Posted by jpsaxo
Ryan - car currently weights 821kg's with half a tank of fuel. 170 / 0.821 =207bhp per ton
Carbon bonnet (10kg's) + other savings will bring it down to 800kgs or less. 225 / 0.800 = 281bhp per ton
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Removing the half a tank of fuel would already bring it down to close to 800 alone.
Still would be seen as fat though next to davep
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God made beer, women and Throttle bodies
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26th January 2012, 16:42
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#943
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Saxperience Post Whore
Join Date: Oct 2005
Location: Sydney
Posts: 8,525
Car(s): Mango Westcoast
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Anyway....as Sandy says, the most important thing is drivability, midrange power, not talking figures down the pub
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26th January 2012, 17:12
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#944
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Regular Poster
Join Date: Jan 2010
Location: Cornwall
Posts: 349
Car(s): 106 XSi
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Quote:
Originally Posted by wrighty89
Love that quote. Every post I see from you is making me more keen for you to build me an engine and discard turbo conversion.
In terms of road driving is it worth going from PH4/734/7's to solid grind cams?
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It depends what you want to achieve, but if you can do what you want to do on hydraulics, then it's cheaper and easier. Well done solids will be pretty low maintenence, bear in mind that many modern road engines have them (most Fords now). Adjustment if required is alot of hassle if not part of a rebuild.
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The Following User Says Thank You to Sandy309 For This Useful Post:
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26th January 2012, 18:45
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#945
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Super Moderator
Join Date: Feb 2004
Location: Tonbridge United Kingdom (England)
Posts: 38,236
Car(s): Vtr, 172, throttle bodied track slut
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Quote:
Originally Posted by jpsaxo
Anyway....as Sandy says, the most important thing is drivability, midrange power, not talking figures down the pub
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It's a shame most people ignore throttle bodies and the overall improvement over the curve because they don't give huge peak figures.
Will be good when back though, the noise of the solid lifters alone make it more fun
__________________
God made beer, women and Throttle bodies
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26th January 2012, 19:36
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#946
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Newbie
Join Date: Aug 2008
Location: walsall
Posts: 26
Car(s): 106 gti s2
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Awsom info on this thread
i think once you have a modified engine you do realise how the power delivery/curve is very important.as there is no point having say a jump of 70hp in say 1000 rpm - as this becomes very undriveble.
im looking forward to hearing your oppinions josh once you have got used to this engine
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26th January 2012, 20:03
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#947
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Saxperience Hardcore!
Join Date: Apr 2008
Location: Bedford & Manchester
Posts: 17,504
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Good stuff Josh, suprised you've not got bored of this after all the changes!
looking forward to the end results dude
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Quote:
Originally Posted by Tupps
Pirates of the caribean 2 (aka been a first one, aka repost)
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Quote:
Originally Posted by lee_saxo
some lad pulled up a type R, and had a sticker on the back. If it ain't jap it's crap. I thought what a bender
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26th January 2012, 22:06
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#948
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Saxperience Forum Bum
Join Date: Dec 2008
Location: Meerkat Harborough
Posts: 2,638
Car(s): Saxo vtr mk 2
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sounds like you should have got a twingo jp. Sandy, why havent you advised your customers to swith to twingo's too?
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26th January 2012, 22:08
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#949
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Saxperience Forum Bum
Join Date: Nov 2007
Location: Southend, Essex/Thetford, Norfolk
Posts: 4,203
Car(s): Seat Mii Toca/VW Polo Gti 6c 1.8 turbo
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Cos he wouldn't make any money....duh!
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Quote:
Originally Posted by Ashleyp
You are an absolute joke of a human being.
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27th January 2012, 06:19
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#950
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Regular Poster
Join Date: Jan 2010
Location: Cornwall
Posts: 349
Car(s): 106 XSi
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If it was all about the money Joe, I wouldn't be building engines! I left my last proper job earning about 3x what I earn now.
I would agree that alot of people would benefit from tuition, or practice and standard cars for many people are a better choice than modifying; not sure about doing a scrapyard challenge V6 conversion though, I've seen some very nasty cars like that. The common thread among my customers is the passion for the cars (even some oddballs, like a Citroen Visa or V8 Metro). I think you understand that really and if you don't, you're probably not qualified to criticise.
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27th January 2012, 09:06
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#951
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Saxperience Hardcore!
Join Date: Aug 2004
Location: West Mids
Posts: 15,392
Car(s): '98 EK9 N1
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Quote:
Originally Posted by Sandy309
Thank you The delivery is every bit as important as the figures, what happens at 4-7k rpm is more important to real performance than peak power. The difference in lap times at Combe for my race engines versus mildly tuned race 106/Saxos (ie cams and remap etc), is around 6-7 seconds/minute. Also interesting to note that my guys regularly took Pole positions, against circa 500bhp turbo Leons, Tomcats, even the odd Evo on occasion. A well set up and driven NA Saxo/106 with a good engine can be very hard to beat with any real world road car.
But more than anything, I like my engines to feel exciting from the moment the key's turned, if you don't have to be flat out to enjoy it, that's alot of extra value.
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I was a little vague in my post but this is what I ment, power/torque and the graph to show whats going on inbetween
Quote:
Originally Posted by jpsaxo
Ryan - car currently weights 821kg's with half a tank of fuel. 170 / 0.821 =207bhp per ton
Carbon bonnet (10kg's) + other savings will bring it down to 800kgs or less. 225 / 0.800 = 281bhp per ton
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800kg's is quite an achievement, sorry if you've mentioned it before but what have you done more recently to reduce the weight so much?
I know you have a lot of carbon now, and the interior is ripped out. Have you ditched the PAS and ABS, removed a lot of the electrical devices?
I think when Danny weighed mine a long time ago, it was roughly 850, will be lighter in its current state now but nowhere near 800 just yet
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27th January 2012, 09:19
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#952
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West Midlands
Join Date: Dec 2007
Location: West mids
Posts: 23,149
Car(s): Supra,civic GL
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Rushy a westcoast doesnt have half the stuff you listed
only pas iirc
A forged balanced motor weighs less in total than oe and parts like stripped back looms ect that make the difference
The bits you cant see add up hence i got mine with full interior down to 880ish from 960 standard with a lot of the big stuff (pas abs leccy windows glass and metal panels) still in place
I think i could aim for 860 possibly 850 with full interior due to just stripping little items and my fg bonnet and rear polycarbs
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Quote:
Originally Posted by Viper
i passed over 5 years ago now. 3 points no crashes. I'm too good to crash...
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oh really.....
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27th January 2012, 11:35
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#953
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Saxperience Hardcore!
Join Date: Aug 2004
Location: West Mids
Posts: 15,392
Car(s): '98 EK9 N1
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Actually forgot this is (was lol?) a Westcoast originally. Good point.
Totally understand, as mentioned a lot of little bits were removed from mine, with your help actually after Danny did the weigh in.
I think 850kgs is possible as you mentioned, dont S2 Rallye's weigh around that much standard?
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27th January 2012, 11:42
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#954
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West Midlands
Join Date: Dec 2007
Location: West mids
Posts: 23,149
Car(s): Supra,civic GL
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Youd be suprised at whats gone on mine now tbh and once you get inventive with a hole saw the weight just falls away lol tbh i rekon on most cars on here theres at least 5-10 kg the owners have never considered removing because its hidden away where you dont see it
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Quote:
Originally Posted by Viper
i passed over 5 years ago now. 3 points no crashes. I'm too good to crash...
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oh really.....
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27th January 2012, 11:46
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#955
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Saxperience Hardcore!
Join Date: Aug 2004
Location: West Mids
Posts: 15,392
Car(s): '98 EK9 N1
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Hole saw is a bit too hardcore for me, so you though Alex
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27th January 2012, 13:37
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#956
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West Midlands
Join Date: Dec 2007
Location: West mids
Posts: 23,149
Car(s): Supra,civic GL
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Dont hole saw.anywere you can see
Then you dont have to be hardcore to live with it
bumper supports and the back of the dash are good areas to start lol
__________________
Quote:
Originally Posted by Viper
i passed over 5 years ago now. 3 points no crashes. I'm too good to crash...
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oh really.....
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27th January 2012, 16:13
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#957
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Saxperience Post Whore
Join Date: Oct 2005
Location: Sydney
Posts: 8,525
Car(s): Mango Westcoast
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Rush - fully stripped
Sound deadening all removed (apart from top of the dash which I choose to keep in)
Tar removed
Loom from dash to the back stripped and unnecessary bits removed
Carbon boot / poly carb rear window / carbon spoiler
Carbon roof
Carbon roof cross members
Front door cards removed
Carbon Kevlar seats (will save loads of weight vs standard ones)
Seat bars welded in (alot lighter than standard subframe)
Aluminium side mounts (lighter than steel ones)
OMP steering wheel (lighter than standard)
Dash lightened
Don't forget;
- I still have a full carpet
- Cage ADD's another 20kgs compared to standard.
- New exhaust system will be alot lighter than BTB system
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27th January 2012, 16:58
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#958
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Saxperience Hardcore!
Join Date: Aug 2004
Location: West Mids
Posts: 15,392
Car(s): '98 EK9 N1
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Obviously Alex lol! I wasnt thinking to attack the outside of anyones car.
Fantastic, the carbon and poly carbs I expect to be the main weight savers.
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27th January 2012, 17:04
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#959
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Super Moderator
Join Date: Feb 2004
Location: Tonbridge United Kingdom (England)
Posts: 38,236
Car(s): Vtr, 172, throttle bodied track slut
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Josh are you going to retail leccy windows like I am?
I really cant be arsed with the ball ache of polycarbing the front windows due to the limitations it brings on the road/toll booth.
__________________
God made beer, women and Throttle bodies
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27th January 2012, 18:35
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#960
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Saxperience Post Whore
Join Date: Oct 2005
Location: Sydney
Posts: 8,525
Car(s): Mango Westcoast
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Just gonna leave the electric ones in for now Ryan, prob go to "windy" windows when I can be arsed to change them over.
Rush - roof (inc cross members) saves over 20kgs
boot inc spoiler and polycarb saved 20kgs, so there's 40kgs.
If I went full out with the hole saw, got all the loom stripped down and did a few other bits I could get it to 775kg's I reckon. I'll save that for another year
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