Nathans Corsa C Z18XE Turbo Progress thread - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

21st Dec 11 at 13:54

Thanks for all the comments guys!

quote:
Originally posted by Pucci1
Amazing car mate hats off to ya

just wondering how did you lower the compression and where did you find the exhaust manifold? if you dont mind me asking how much was the manifold can pm me if you wanna keep it private

cheers and mooooreee power!

Thanks

Mate its a complete conversion from dBilas, the make the downpipe and the turbo, inlet manifold etc....

Compression is standard 10.5:1

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

21st Dec 11 at 13:59

As far as progress, nothing huge to report....

Went to the RR day at Hayes DynoTech and the car made just 208bhp and 225lbft torque...

Have been having boosting problems and no matter what the car wouldnt hold the reuired 10psi. tried all sorts, purchased a forge actuator and with the 10psi spring it held 2 psi, bought a 14-18psi spring and it boosted to 10 and dropped to 6....

figured I must have a boost leak, so all boost pipes have been replaced with proper mandrel bent stainless pipes all properly swaged.... after that there was only one option...

Purchased a Gizzmo MS-IBC electronic boost controller, got it all fitted and set up and hey presto! Holds 10 psi, first time since the fmic has been fitted! Mega happy - so will pop back to hayes dynotech to see what it makes now

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

21st Dec 11 at 14:00

pics to follow...

thomasgc

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Registered: 10th Apr 11
Location: lancashire, preston
User status: Offline

21st Dec 11 at 17:05

Looking great man done alot of great work and should pay out after all done

Kieran

Premium Member

Registered: 12th Sep 08
Location: Kent
User status: Offline

21st Dec 11 at 17:48

Crackin car! Well done on the tv feature to bud! It's really good. Same team of guys I had do mine.

Keep it up buddy it's looking really good!

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

22nd Dec 11 at 13:24

So - pics!

When i purchased the rforge actuator:

Also bought a TX autosport full recirc valve:

fitted the forge actuator (have since changed spring as mentioned previously)

original Bailey DV26:

New full recirc set up - my gosh, makes such a difference!

Sometime during this the car still wouldnt hold boost, behold! custom boost pressure tester...

Holds pressure fine... so...

bought this!

wired up (no working pics yet - but... it works! Very well)

Also fitted longer front braided lines, as the HEL's were a tad too short and were tight on ful lock...

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

22nd Dec 11 at 13:25

quote:
Originally posted by Kieran
Crackin car! Well done on the tv feature to bud! It's really good. Same team of guys I had do mine.

Keep it up buddy it's looking really good!

Cheers mate! Well impressed with it, write up was a bit poor, but pics were epic!

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

10th Jan 12 at 15:19

Got some new rubber!

Got an MoT booked for tomorrow so took the plunge and treated myself to some proper tyres

Yokohama ADVAN Neova AD08's in 205/ 45/ 16 - should be a bit more rubber on the road for improved grip!

just image a pile of cash - to be abused...

Havent pushed them yet as only drove from the tyre place to work, so far they feel amazing, very thick sidewalls so you feel more bumps, (even thicker than the eagles) but turn in is sharp, very responsive! However there is a little rubbing, with the wheels being somewhere between et35 and et38... This will be addressed.

Graham88

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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline

11th Jan 12 at 04:54

Excellent tyres, brave running them on the road as I found they needed a fair amount of heat to really work properly.

And yeah mine rubbed on my Mazda with them despite not rubbing with road tyres on, due to the thicker sidewalls

Good choice. How much were they in that tyre size?

NathanR

Member

Registered: 6th Dec 10
Location: Totnes , Devon
User status: Offline

11th Jan 12 at 10:30

Love this Nath ! Always keep an eye on CCUK for your updates

! Also Congratulations on the feature , very overdue and well deserved imo ! Got any other plans for it then ?

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

11th Jan 12 at 15:11

Thanks Graham, you know me, brave n all that

So far I have found them faultless, even when cold.... interesting to hear yours rubbed , mine was a bit of a gamble as I had 165/45's before, now Im running 205/45s.... I paid £125 a corner

Nath - Cheers mate, checked out your thread yesterday - looking good! No major plans now, need to get the map sorted, new gearknob to go on, then some eibach camber shims for the rear...

Also - The corsa passed its MoT today

Graham88

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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline

11th Jan 12 at 16:13

Ah you changed the tyre profile, that's probably why

I had the same tyre profile but the AD08's still rubbed even though the others didn't. Can you get these archesl rolled or is there no lip?

NathanR

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Registered: 6th Dec 10
Location: Totnes , Devon
User status: Offline

11th Jan 12 at 17:00

Thanks bud

. I jus can't wait for some Boost this year ! Didn't think you would have many more plans , its damn near perfect as it is ! The only thing I would change is take the lower middles grill out and have the Front mount on show . But I know you prefer the OEM look

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

12th Jan 12 at 11:43

Graham - yeah fraid so, the wheels are 16x7 so are fine for 205 - but of course the profile is a tad larger due to extra width... not easily, its all plastic, will keep checking, no doubt will just wear the plastic inner arch liner then will be fine

just need to watch out for the bolt holding the arches on... may have to grind it down...

Nath - you boosting yours? good plan

I just want to enjoy the car now and get out on track some more

Nah, you know me, stealth is better

NathanR

Member

Registered: 6th Dec 10
Location: Totnes , Devon
User status: Offline

12th Jan 12 at 13:48

Yh I'm palnning a Z20LET

. Hopefully be done in the summer ! Can't wait , my mates is so much fun .

With regards to the tyres rubbing , after a while the arch liner will wear away after some use

. Might rub quite a bit when your on track wen you giving some beans in and out of the corners tho

N7 THD

Member

Registered: 22nd Oct 08
Location: Kent
User status: Offline

14th Jan 12 at 12:37

yeah, the rubbing isnt good, just worried the tyre will eventually catch on the bolt holding the outer arch on.... luckily my dads got a heat gun so gonna attempt bending the inner arch

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

10th Feb 12 at 14:12

So, everyone remember my TV mag feature, Dan (the tog) has finally sent me the disk with the photos on!

Heres just a few...

vx-scottw

Premium Member

Registered: 8th Feb 11
Location: sheffield
User status: Offline

10th Feb 12 at 14:23

love them pics dude

how did you fit the cura r splitter

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

10th Feb 12 at 14:33

cheers mate

trimmed the splitter to fit, cut the clips off then self tapping screws

[Edited on 10-02-2012 by N7 THD]

vx-scottw

Premium Member

Registered: 8th Feb 11
Location: sheffield
User status: Offline

10th Feb 12 at 14:36

quote:
Originally posted by N7 THD
cheers mate

trimmed the splitter to fit, cut the clips off then self tapping screws

[Edited on 10-02-2012 by N7 THD]

cheers dude alway wounded how thanks

you goin to be at any shows this year?

N7 THD

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Registered: 22nd Oct 08
Location: Kent
User status: Offline

10th Feb 12 at 14:40

Yeah I'm only doing shows with tracks though.... So Modified Live at Lydden Hill, TV Live at Castle Coombe, and Trax

Fad

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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline

10th Feb 12 at 15:06

Looking good Nath!

vx-scottw

Premium Member