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Author: Subject: Z20LET into a Haynes Roadster
Ben_Copeland

posted on 22/4/14 at 02:21 PM Reply With Quote
Right, bit of an update.

Oil temperature is now fine. The thermostat wasn't opening properly and I had the oil temp sensor in the wrong place. Its now located in the sump plug and appears normal.

I also installed a massive oil cooler, but its obvious its not necessary so will probably swap it back to a smaller one.

Water cooling, I had a bit of an issue where the fan was coming on during normal driving. Appears that I wasn't getting enough air in the front.

I'll made some crude cowling to try and force more air through the rads. I've also removed the meshing from the nosecone... The mesh I had was very restrictive. Just need to find something to replace it with.

I've also replace the thermostat with a 82c one and put the heat bypass pipe back in.

I'm yet to give it a blast on a hot day, so I'm hoping for some nice evenings or spot of sun this weekend where I can give it a bit of a hoon and see what's what.

I'm also going to Stoneleigh so come and say hi if you see me / the car.

[Edited on 22/4/14 by Ben_Copeland]





Ben

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daveb666

posted on 22/4/14 at 03:07 PM Reply With Quote
quote:
Originally posted by Ben_Copeland
I'm also going to Stoneleigh so come and say hi if you see me waiting on the hard-shoulder for the AA.

[Edited on 22/4/14 by Ben_Copeland]






2007bc Photography - Commercial and Wedding Photographer based in West Yorkshire

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Ben_Copeland

posted on 22/4/14 at 03:10 PM Reply With Quote
Thanks for your support Dave ;-)

Think it'll manage the 20 miles from Olivers lol





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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daveb666

posted on 22/4/14 at 03:17 PM Reply With Quote
Aww didn't realise you were cheating and doing the journey in two bits.





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Ben_Copeland

posted on 22/4/14 at 03:18 PM Reply With Quote
Yeah, bleep that... I need to change my diff if I want to start doing long runs !





Ben

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beaver34

posted on 22/4/14 at 04:26 PM Reply With Quote
quote:
Originally posted by Ben_Copeland
Yeah, bleep that... I need to change my diff if I want to start doing long runs !


why whats it reving to at normal speeds?

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Ben_Copeland

posted on 22/4/14 at 04:52 PM Reply With Quote
Runs about 3.5k at 70mph

If I can get that down to 3k at 70 I'd be happy.

Runs out of revs at 120mph





Ben

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beaver34

posted on 22/4/14 at 06:57 PM Reply With Quote
Really? Must be odd ratios for that to happen 3,500 is normal revs really for 5th at 70

Is it live axle or IRS?

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Ben_Copeland

posted on 22/4/14 at 07:13 PM Reply With Quote
Type 9 v6 box and a sierra 3.9 (I think) LSD diff.

I'm thinking that if I get hold of a 3.38 diff and swap the crown wheels etc. or find a lobro 3.38 diff and bolt LSD in. Then I'll get better top end but as I have a lot of power the acceleration won't be so affected.





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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Ben_Copeland

posted on 6/11/14 at 08:06 AM Reply With Quote
Cover 1
Cover 1

Cover 2
Cover 2

Cover 3
Cover 3

Cover 4
Cover 4


Last weekend I had my tonneau cover made and fitted. Should keep the rain out when parked up

Made by a local place - Browns Custom Trimming

[Edited on 6/11/14 by Ben_Copeland]





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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daveb83

posted on 10/11/14 at 12:40 PM Reply With Quote
Liking the cover.

I could have done with one just like that on friday for a very wet track day, was unable to get a garage and didnt want to put my car cover over as would have melted on the exhaust. something like that would have been ideal though.

If you dont mind me asking, how much was it just so i know a ball park figure to try and find a local trimmer near me to make one for myself?

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Ben_Copeland

posted on 10/11/14 at 01:00 PM Reply With Quote
It should cost between £200 - 300 from a trimmers. Depending on how complicated it is.

Soft bits for sevens wanted £450+ to do the same thing and they are quite unhelpful via email.

[Edited on 10/11/14 by Ben_Copeland]





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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Ben_Copeland

posted on 16/2/15 at 06:22 PM Reply With Quote
Made my own Rosejointed wishbones a while ago, ahead of finding someone to set up the suspension.

Description
Description


Took the car to get the suspension setup today. Its been too long with ropey handling.

Description
Description

Description
Description

Description
Description

Description
Description

Description
Description


Steve @ Dover Cambelt Centre certainly knows his stuff. Explaining to me what he was doing and why, I helped out with alterations as much as I could to help speed things along.

Camber, tracking and corner weights were adjusted and this is what we ended up with in the end.

Rear Camber -1 degree.
Rear Tracking 2mm toe in.
Front Camber -1.5 degree
Front Tracking 0.5mm toe in.

Corner Weights:
LF 169kg cross weights RR to LF 49%
RF 177kg cross weights LR to RF 51%
LR 190kg
RR 217kg

The drive home was a lot of fun, pushing it into roundabouts even with a slightly damp greasy road the grip was 100% better.

Steve @ Dover Cambelt Centre
2-3 Ethelbert Road, Tower Hamlets, CT17 0DR, Dover, Kent
01304 448878
07973 304038

[Edited on 16/2/15 by Ben_Copeland]





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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CosKev3

posted on 16/2/15 at 11:27 PM Reply With Quote
Wishbones look good

Have you made them from scratch or just added the rose jointed ends?

What set up have you got on the top of hubs where wishbone rose joint attaches?

[Edited on 16/2/15 by CosKev3]

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Ben_Copeland

posted on 17/2/15 at 07:33 AM Reply With Quote
Half made them. I used some old mk wishbones. Cut the tubes off and welded in threaded bar that I made myself.

The rose joint goes where the original bush tube was into the top of the upright. Then used spacers either side so the upright doesn't move about. Same as the rest of the joints in the wishbone chassis brackets





Ben

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Benzo

posted on 28/8/18 at 09:38 AM Reply With Quote
Been Reading through this thread thinking of doing something similar to my Westie XE.

How have you found the Turbo power now after a few years? Has it been reliable?

What clutch & flywheel setup do you use on the Z20? with Type9 box?

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Ben_Copeland

posted on 28/8/18 at 10:36 AM Reply With Quote
Hi Benzo

Itís been very reliable, I changed the turbo core as the previous owner of the engine had messed about with it and it failed prematurely, otherwise itís been fine.

Clutch wise, I used a Astra turbo clutch cover, galaxy v6 friction plate and bearing that came with slave.

Tbh, Iíve changed the type 9 to a Vauxhall omega box. R25-28 itís a lot stronger if your looking to increase the power at all.





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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Benzo

posted on 28/8/18 at 10:41 AM Reply With Quote
quote:
Originally posted by Ben_Copeland
Hi Benzo

Itís been very reliable, I changed the turbo core as the previous owner of the engine had messed about with it and it failed prematurely, otherwise itís been fine.

Clutch wise, I used a Astra turbo clutch cover, galaxy v6 friction plate and bearing that came with slave.

Tbh, Iíve changed the type 9 to a Vauxhall omega box. R25-28 itís a lot stronger if your looking to increase the power at all.


Awesome, its bound to be Mega on the road, what diff ratio do you run?

What did you source the Z20 from initially? are you just running the standard FWD Flywheel?

I thought they where only VX220 but now I see they are in Astra coupes, GSI's etc etc

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Ben_Copeland

posted on 28/8/18 at 10:51 AM Reply With Quote
Diff ratio was originally 3.9 but I swapped it out for 3.6, make sure you have a LSD as itíll just spin a wheel.

I used an 8v cavalier flywheel as itís lighter but you could use the original flywheel, bit of a lump tho.

Engine was out of a converted Astra fake GSI, he gave me everything including the dash loom lol

If you want to run the original Ecuador you need the ignition module and key module. Otherwise bin it all and use a 3rd party tuner ecu





Ben

Locost Map on Google Maps


Z20LET Astra Turbo, into a Haynes Roadster

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http://www.facebook.com/EquinoxProducts for all your bodywork needs!

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