37 replies to this topic

[siztenboots]

stage 4 vxt weight from around 2009 , I'd hope its nearer 850 now

[chrisvx220]

stage 4 vxt weight from around 2009 , I'd hope its nearer 850 now

Thats a decent result, what have you removed to get to that?

[mbes2]

I think some of the lotus guys were about 800 > 850kg without driver.... Been thinking what I can remove.... but I think i'm better off loosing weight myself

[Thealastair34]

what do n/a weight then? at last there is an advantage to being 10 stone!

[danger7]

Hi all, Mine started pre mods 925 kgs with Oz wheels in 2007 Changing the motor to an LEH plus lightened flywheel and exhaust chopped 38 kgs so ended up 887 kgs then added charge cooler in 2012 and shot back to 900 kgs. Rapidos VX and driver I know well and his VX was not comparable as it was a pure out and out track car, no lights, light weight panels etc.. The NA would I guess would dip 750-780's kgs with standard engine and attention to obvious weight saving measures only a guesstimate. Cheers Ian

[2-20]

_{The lightest one belongs to Chris on this forum.
I think it weight less than 800 kg in road legal form}

[chrisvx220]

Hi all,

Mine started pre mods 925 kgs with Oz wheels in 2007

Changing the motor to an LEH plus lightened flywheel and exhaust chopped 38 kgs so ended up 887 kgs then added charge cooler in 2012 and shot back to 900 kgs.

Rapidos VX and driver I know well and his VX was not comparable as it was a pure out and out track car, no lights, light weight panels etc..

The NA would I guess would dip 750-780's kgs with standard engine and attention to obvious weight saving measures only a guesstimate.

Cheers
Ian

Is the LEH lighter than the LET and Z22SE then? I have a LEH going in mine now with M32 box in an NA so will be interesting to know the weight of mine once done, might find out in spring when I get it corner weighted

[siztenboots]

The Z20LEH does not have the balancer shafts by default, but the M32 gearbox is much heavier. Also it does not have the auxillary electric water pump.

[vocky]

M32 weighs just 3Kg more than a F23 z22se engine is much lighter than a lardy cast iron leh, my last 2.2 engine weighed 103Kg

Edited by vocky, 14 December 2012 - 02:52 PM.

[siztenboots]

but with a supercharger on ...

[vocky]

Max's 2.2 SC car with 300+ bhp weighs under 800Kg

[siztenboots]

Max's 2.2 SC car with 300+ bhp weighs under 800Kg

but its not road legal

[chrisvx220]

Vocky any idea how much more the leh lump weighs over a z22se?

[vocky]

Max's 2.2 SC car with 300+ bhp weighs under 800Kg

but its not road legal

it would not require much work to get it MOT'd, but being a cat B it will never be road legal

Vocky any idea how much more the leh lump weighs over a z22se?

40Kg

[vocky]

z22se weighs roughly 120Kg and the z20leh roughly 160Kg

Edited by vocky, 14 December 2012 - 03:18 PM.

[siztenboots]

Thanks to Paul at PSR and his brand new corner scales. Edit to say this is with half a tank of fuel.

Before charge cooler



After charge cooler

On the plus side
Charge cooler
Harness bar
Exige GT4 wing
MMG diffuser
A fair amount of my own blood

On the minus side
Light weight discs (front only)
No fog light, used for cooling ducts
Team Dynamics 1.2 Pro Race
JK Composite lightweight driver's seat and fixed subframe
TTV under driven pulley, which gets rid of about 5Kg's of tensioners, pulleys and idlers
Balancer deletion kit
Lightweight flywheel
Full 2bular de-catted system
Single way Nitrons (I think they're lighter)
Pro Alloy fuel tank

[siztenboots]

rapidos made a new RH engine mount

Last ultra light piece, the right end engine mounting made in one piece of extra hard aluminium 7075, oversized compared to oem
Result is minus 0,84kg at a strategic place !
I have some clones so if interested, email me.

[nobby1]

I guess that means it would be far better to lose some of my 117 kilos than faffing around with a dremmel and expensive lightweight parts..... Ok, no chips and pies for me!!!