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My Little weekend project.....


djtimo

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Christ Tim! Why do you do everything so perfect. You just put everything I do to shame as you mids are so meticulous!

You can save more weight on wheels that's why I when with the OEM Rays. My seats are 6kgs against your 7.5kg. I shaved bits here and there:

Full plenum swap for kinetix,

fluidampr crank pulley,

headers and ART pipes, lighter exhaust,

BBK slightly lighter than OEM setup,

aluminium SPL arms and bushes

By the time I do the glass swap for lexan, wire strip and full roll cage I'd be hopefully 1400-1450kg wet weight minus driver.

 

Long live track cars!

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Lol.. Thanks bonnet!

 

I'm hampered by the weight of the tt kit and large down pipes etc.

 

If I go mad and drop off the door cards, internal door plate, window motors and runners that's 7,5-8kg per door! Even keeping glass!

 

My plan to get down to 1400kg is...

 

- light race battery saves = 9kg

- drill our rear crash brace = 2kg

- carbon rear hatch/lexan = 15-20kg

- swap out oem W brace for alu upgrade =???

- passenger seat = 7,5kg

- door gutting = 15-16kg

 

Total = 45kg approx

 

This gets me a chunck closer to 1400kg but after that I doubt I'll be able to lose more :( I need a fire extinguisher which adds weight so then it's just (Clarkson voice) POWER.....

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Bennett do you know what the Kenetix manifold has saved weight wise?? If I swapped the oem strut brace out for carbon I could save a kg or so there plus I need to cut down my wireloom in the car so that may save another 1kg.

 

Potentially up to 47kg to lose.

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Unfortunately I did not weigh all the stuff I've taken out or swapped but I'm positive the kinetix is lighter. You loose the weight of both OEM upper and lower cast aluminium manifolds and fittings.

There should be at least 1-2kg in it from muscle memory.

hmm CF strut brace. There are too pricey for the weight saving IMHO.

Stripping the door of the motors, crash bar and redundant wiring will save more weight and be cheaper.

 

 

Bennett do you know what the Kenetix manifold has saved weight wise?? If I swapped the oem strut brace out for carbon I could save a kg or so there plus I need to cut down my wireloom in the car so that may save another 1kg.

 

Potentially up to 47kg to lose.

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  • 2 weeks later...

More work on the zed today.

 

Fitted my toe bolts about ten mins after the post man dropped them off lol.. Plus my drift works traction arms I've had for a few weeks now.

 

 

Template in place for the subframe to be enlarged.

20160127_152746_zpschp9nhwg.jpg

 

Subframe cut.

20160127_152751_zpsg9sft5rv.jpg

 

This was an easy job tbf... just a pain to get tools in the right angle to make the cuts. Not really got any more pics as my hands were dirty by now and I was working alone again lol.

 

Traction arms fitted. (these were a PITA as you really need two people to help man handle the rear wheel out the way to get the arms off and new ones back in)

20160127_175658_zpsaiek3eqa.jpg

 

Large rose joint in place on subframe end.

20160127_175704_zpsqa9gmg6w.jpg

 

Arms fitted and toe adjust by eye ready for going on the jig again tomorrow

20160127_175721_zpswlxqqtdx.jpg

 

 

Anyway even after adjusting the arms and bolts by eye the car feels SOOOO much better than before. I can see the rear is running far less toe in and less camber so ill have it set up again tomorrow and she should be driving wicked now!

 

 

PS. i know the car looks a state lol.. Im sorting the underside slowly.

Edited by djtimo
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Car getting toe sorted again this morning..

 

20160128_101124_zpsrxlm8d2p.jpg

 

20160128_101159_zpsfuiosgkr.jpg

 

Toe was set to 1mm in on both sides vs. the 10mm per side it was running and camber set to -1 degree to max rear tire contact patch :)

 

Car feels miles and miles better on the short drive i took it on to scrum tires in see what it felt like!

 

Now just need to see what its like on track on go from there!

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Booked onto a RMA Gold trackday at Donington Park with no noise limit in march :) If don't make anglesey in feb this will be a time to set up and test out the car :) I need to take tire temps across the bed and set up shocks and see if i can run more aggressive camber etc.

 

Exited!

 

Plus its with supercardriver.com and loads of ferrari's and lambo's booked on as well as a mate in his V10 supercharged R8 so will be great to see how the little zed does against the big boys.

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  • 2 weeks later...

More work on weight loss today :)

 

The door windows have not worked for over a year so Ive decided to gut the motors and rail system in them to save a few Kg's :)

 

Window was removed, All parts of the power system removed and them 1mm Alu plate was used to brace the window back into the correct position.

20160211_151815_zpsj6vzs3kh.jpg

 

20160211_151811_zpsthwxa14y.jpg

 

20160211_144728_zpsb84u1g8x.jpg

 

 

Few pics with the door gutted :) Its not staying like this yet so the door card has gone back on but i may make a carbon sheet door skin soon :)

20160211_154334_zpsoxfnktf4.jpg

 

20160211_154308_zpsouwv7c9h.jpg

 

Job done! Door card back on! Window in correct place!

20160211_155244_zpsqr4igyhj.jpg

 

 

 

Motor and rails

20160211_155747_zpsibxigare.jpg

 

Weight

20160211_155753_zpsgj6eqore.jpg

 

 

Inner door skin.

20160211_155549_zpsc6avsnod.jpg

 

Weight

 

20160211_155555_zpslur3fzga.jpg

 

Foam from inside the door card, nuts and bolts plus the bose tweeter.

20160211_155501_zpsihp6d4wr.jpg

 

Drivers door done today only but same will be done to passenger door ASAP.

 

Weight saved today 4.3KG x 2 for both doors = 8.6KG

 

TOTAL WEIGHT LOST SO FAR = 34.07KG

Edited by djtimo
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Good job again budðŸ‘.

I just to out the door card on mine and left everything else as when I disconnected the electrics with the window up it doesn't seal well and let's in wind noise. Alternatively when it's all the way up it seems to catch on the a pillar trim at the top but get a perfect seal. How did you go about it?

I'm still looking for a craftsquare mirror but they are like looking for a unicorn. I think I'll end up using a universal race mirror and custom make my own base.

I really like how you arrive to your solutions.

I'll send you the weight/size of the parts you want and also a shipping quote on Saturday.

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More work done today.

 

I have finally changed out the "takata" harness for a matching schroth racing PRO EF 2 ASM on the passenger side :)

 

Not a lot but every bit counts haha

 

Takata weight. 1.65KG

20160213_160725_zpsuvwgeiqq.jpg

 

Schroth weight. 1.55KG

20160213_160444_zps5vdrfv6h.jpg

 

 

Harness's fitted :)

20160213_161437_zpshied8gfk.jpg

 

I can weight to get matching passenger seat! lol.. Makes the OEM eats look so FAT!

20160213_161421_zpsvfetmn5t.jpg

 

20160213_161416_zpsbfqnk1am.jpg

 

 

I have made a start on the passenger door weight removal as well, I thought i should weigh the door card this time round as i'll end up ditching these soon for carbon paneling. Potential weight loss from doorcards is another 7.45KG! (total doors weight loss would then be 16.05KG)

 

Door card.

20160213_162820_zpsxpglyt0d.jpg

 

Weight

20160213_162825_zpssc6o75xn.jpg

 

Door handle, elbow pad and bolts etc.

20160213_162920_zpsqt3wxz72.jpg

 

Small boot trim from around rear high level light.

20160213_161743_zpsfwq4ui6r.jpg

 

Picked up a new racing battery made by odyssey :) Its a called extreme 22 or PC625 and comes in at a very light 6KG! Its tiny as well haha. The other benefit of these over my old full size Bosch unit is this one is sealed and won't leak. Normal car batteries can leak and give off acid vapour.

 

New vs. Old for size! 8.3KG LIGHTER!

20160213_172809_zpsuqryornz.jpg

 

20160213_172812_zpsubi2ucv5.jpg

 

20160213_172754_zpszwfo0pdz.jpg

 

Specs.

b14dec42-de15-4f5a-871f-709e29cd1cff_zpstq0hm7vd.jpg

 

These batteries are susceptible to vibration damage so I was recommended to fit a foam base. This was just cut from garage floor foam :) Nice and cheap.

20160213_174405_zps4v58wjsw.jpg

 

Anti-vibration foam fitted.

20160213_174433_zps4dbxuim3.jpg

 

Tiny new battery in place. (I need foam to cut to the space at the back just to be extra shore it won't move.

20160213_174911_zpsdsrvq9or.jpg

 

 

Old battery on the scale. 14.3KG (Bosch website quotes 16.4KG for this model??)

20160213_175255_zpscnhmc9xn.jpg

 

I have a little more weight to come out on the battery as its now using M6 posts vs. standard battery terminals so I can now use small light weight spade connectors and get rid of the heavy originals i have used. They must weight another 100-200g's :)

 

TOTAL WEIGHT LOSS SO FAR = 42.62KG

 

CAR DRY WEIGHT = 1437.25KG

Edited by djtimo
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More work today :)

 

Rear bumper off and drill out rear brace was today job.

 

Rear bumper off... Took a while as I had top pop clips I needed to remove that would have been easy but the cf diffuser covers the underside of the car so i could not reach them! Took in total an hour to get to this point.

 

20160221_114508_zpsyetsgncg.jpg

 

Bumper off and rear brace removed.

20160221_113519_zpshtupofnt.jpg

 

Started the mammoth task with the hole saw lol...

20160221_133720_zpsjs8cnb4g.jpg

 

3 hours later and i had this!

20160221_160102_zps58rnx0rw.jpg

 

Just looking at weight loss mid way though the job.

20160221_161956_zpsir6jwuub.jpg

 

Original brace weight... 5.45kg

20160221_113732_zps7y6uqjqd.jpg

 

4.8KG so far...

20160221_162001_zpsxut1gir5.jpg

 

 

Rear foam off brace. 0.51KG

20160221_113835_zpst5otft19.jpg

 

 

The rear brace is far thicker than the front end one.. the outset skin is about 3mm thick, top and bottom skins 2mm and back skin is very thick.. 4-5mm i think. I have the back side left to drill out so more weight to come off this plus ill cut a few more smaller holes where i can.

 

Total weight removed today = 1.16KG

 

TOTAL WEIGHT LOSS SO FAR = 43.81KG

 

 

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Nice... Got a question for you...

 

How would you rate Schroth Racing PRO EF 2 ASM compare to Takata harness??

 

Im not in the best position so answer that as my takata harnesses were not genuine items... sold on ebay as gen but turned out to be fake. I swapped to schroth as the buckle and ASM system is very good.

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Tim, I was in the same position with wheels a year ago. My lovely 19' but heavier than Ray's or getting very expensive set of lightweight forged 18" or 19"s?

I really wanted the Volks CE28N but to much when I got other priorities so I went back with OEM Rays. I got 2 set of rears which are 18x8.5J and I have Toyo R888 245/40/18 and 275/40/18 setup. It just about ok and works really well but the weight saving and response is remarkable! The car is so lively now and brakes better.. I needed 20/25mm spacers to get it looking perfect and to clear my BBK. Tyres are also cheaper.

 

I have no regrets and will keep this setup until I can get Volks/Ray's of similar weight or lighter and a tad wider. 18x 8.5 and 9.5" should be perfect.

 

8F05FFDA-9EFF-432E-95DD-2E3E4D915233.jpg

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Finished the rear brace off today :)

 

Sick of drilling this thing now lol.. I could have taken another 200-300g out but this was far enough for now.

 

Brace now weights bang on 4kg. (excuse the really shitty garage lol)

20160224_162614_zpsll1zipug.jpg

 

 

Re-fitted after I have cleaned the rear bulk head off with silicone spray :)

 

IMG_20160224_172241_zpsee2ddi7v.jpg

 

20160224_165115_zps6xpme2dg.jpg

 

20160224_165108_zpsmj7nv298.jpg

 

Weight loss from brace work = 2.01KG

 

TOTAL WEIGHT LOSS = 44.63KG

 

CAR DRY WEIGHT = 1435.24KG

Edited by djtimo
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More weight loss today.

 

I did type a bigger post out but lost it ahahah so this will do.

 

Cleaned up door wire harness + removed door cars fully now.

 

20160225_152808_zps5ewrl1ob.jpg

 

20160225_152812_zpslqtuz9w9.jpg

 

20160225_153022_zpsnrfqxqbt.jpg

 

20160225_153027_zpsaenq2hq7.jpg

 

20160225_153153_zpsxwpzms0r.jpg

 

20160225_153149_zps62amzpwv.jpg

 

Weight loss for this = 7.8KG

 

TOTAL WEIGHT LOSS SO FAR = 52.43KG

 

DRAY CAR WEIGHT = 1427.44KG

Edited by djtimo
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