769 replies to this topic

[MrSimba]

Looking forward to pics and final result. Did you have to source all parts and then CS will fit them?

Engine came from Craigb78 on here,
Imported the turbo & wastegate from the states,
Everything else was from CS

DG is building the engine up & fitting, CS will fit 630cc injectors before mapping & adjust wastegate spring if needed

Edited by MrSimba, 25 August 2012 - 09:08 PM.

[sford]

Blimey, I thought it was fast before. Looking forward to catching up at a meet soon. Not been to one in a while and when this touches down it'll be awesome!

[GiGo]

Simons aint that fast, I just about kept up with him once "I was looking for you Giles, you were still there in my mirrors, This little Blue, Biscuit and Carbon dot" Best quote from MrSimba ever Hope the build goes ok Simon, I want pics.

[Nev]

Simon, do try and make sure you install a spring < 0.4 Bar in that wastegate, even 0.2 Bar would be fine as it won't affect final outcome of MAX power, simply controls MIN power (which you want as sensibly low as possible for a couple of reasons).

Edited by Nev, 26 August 2012 - 06:37 AM.

[MrSimba]

Think it's shipped with a 0.6 Nev but there is a box of springs & everything with it anyway!





got to say the 'new' spring colour scheme of red / yellow / black ect must make thigs a lot easier tho can see why they changed it!!!

[Nev]

It's a good quality item isn't it and comes with all the necessary and optional connectors etc. Those Americans make some good hardware The water cooling aspect of the item is most beneficial IMO, will make it last way longer than other non water-cooled competition. If you release those 6 grub screws on the helmet, it will pop off and and you could put the gold spring in. Super easy job to do. Also, consider buying some heat shielding stuff and pre-fabricate a shield for the turbo hotside whislt the turbo is off the car (far easier). This will help engine bay temps, as the heat that comes off the hot snaill is immense (I mean REALLY immense!).

Edited by Nev, 26 August 2012 - 07:47 AM.

[luke.]

Going to be a lot of power running round in the midlands soon

[chrisgold]

Ok... DG & I have decided to turn the boost up a little!!!

The Z20LET on standard internals was always at its limit with the torque my stage 4 was pushing out so it's all going in the next 2 weeks to be replaced with -

Z20LEH engine with FCP Forged rods & ARP bolts

Garrett GTX2867R (with .64 housing) - Dual billet ball bearing 'GTX' series Turbo which spools faster than a GT2871 and holds nearly as much power as a GT3071!

Tial 44mm external wastegate

Klassen Inlet manifold

Thermal gaskets

Klassen 'V' band exhaust manifold

630cc Injectors

Enlarged 62mm Throttle body

6 Paddle clutch & uprated cover

Vibratech engine mounts

& a lot of heat shielding & DG trickery!

All booked into CS for mapping on the 19th Sept with Klassen on standby!

Not looking for headline numbers in fact I don't want anything really over 400bhp even though the engine & turbo would be easily good for 450/460, the brief for CS/Klassen is drivability and mid range, minimal lag useable power & when talking to Mark @ CS he just said 'thats going to be phenomenal!'

Many thanks to Aimy who recommended 'Wicked Coatings to me as well as the engine & bay has been treated to a little bit of TLC to make sure it looks as good as it performs!

So its all happening, every things here, every things in place, just needs a bit of DG magic now!

Looks very similar

Good luck with it all mate!

Oh, what head gasket are you using? Just wondering after that other guys story with a similar spec to us.

[Hark]

Very exciting

[chrisgold]

Ok... DG & I have decided to turn the boost up a little!!!

The Z20LET on standard internals was always at its limit with the torque my stage 4 was pushing out so it's all going in the next 2 weeks to be replaced with -

Z20LEH engine with FCP Forged rods & ARP bolts

Garrett GTX2867R (with .64 housing) - Dual billet ball bearing 'GTX' series Turbo which spools faster than a GT2871 and holds nearly as much power as a GT3071!

Tial 44mm external wastegate

Klassen Inlet manifold

Thermal gaskets

Klassen 'V' band exhaust manifold

630cc Injectors

Enlarged 62mm Throttle body

6 Paddle clutch & uprated cover

Vibratech engine mounts

& a lot of heat shielding & DG trickery!

All booked into CS for mapping on the 19th Sept with Klassen on standby!

Not looking for headline numbers in fact I don't want anything really over 400bhp even though the engine & turbo would be easily good for 450/460, the brief for CS/Klassen is drivability and mid range, minimal lag useable power & when talking to Mark @ CS he just said 'thats going to be phenomenal!'

Many thanks to Aimy who recommended 'Wicked Coatings to me as well as the engine & bay has been treated to a little bit of TLC to make sure it looks as good as it performs!

So its all happening, every things here, every things in place, just needs a bit of DG magic now!

Looks very similar

Good luck with it all mate!

Oh, what head gasket are you using? Just wondering after that other guys story with a similar spec to us.

Mine is Elring 3 layer steel jobby, so a good one, but im not sure after that other guys story, where is Nev what gasket is he using?

What miles has the LEH engine done? You not reconditioning it too? Pumps and bearings etc?

We are going for the same power really, although, If I only get 380bhp or less? I may change the turbo to get about 430bhp, but I am starting with a smaller turbo and if im not happy its just a quick turbo swap and remap, simples I think the old Disco Potato will do the job tho

[MrSimba]

Hi Chris

I'm using a 1.9 CS uprated gasket http://www.courtenay...m/prod_848.html

It was what CS recommended to Craig tho Liam & DG both said they would have gone with a 1.3 and thats the advice I'd have followed, but its built up and in so will leave it be!

The LEH had done 19k and all the bottom ends been rebuilt with new bearings, pumps, cam belt ect ect

& its off to DG very very soon!

Edited by MrSimba, 26 August 2012 - 03:43 PM.

[MrSimba]

Had the rocker cover sent to 'Wicked Coatings' after seeing the great work they had done to Aimys when her car was at MMG

They have given it a gloss 'brushed' alloy finish with gloss black plug cover, kinda an 'OE+' look nothing too different but looks

[rob999]

Cost much Si?

[MrSimba]

Cost much Si?

For the rocker cover? £120 inc

[jameso]

Saw all of Simons metal work today. Looked fab. Can't wait till its built!

[The Batman]

I have a 70mm tb if you want I try that

[Nev]

Dropping the compression to 8.0:1 (assuming you have the 'Courtenay' forged pistons in there) would only be necessary if you were intending to run 2+ Bar of boost. I'd also recommend a thinner gasket if you were building up from scratch, though as you say maybe just leave the existing one in for convenience. The lower compression will mean your off boost performance will be slightly poorer (potentially) as dynamic compression will be lower and also the squich band wont work so well to push the gases towards the centre of the cylinder.

Edited by Nev, 26 August 2012 - 06:59 PM.

[MrSimba]

I have a 70mm tb if you want I try that

Cheers Joe but 62mm will be fine, thanks anyway tho buddy!

[MrSimba]

Dropping the compression to 8.0:1 (assuming you have the 'Courtenay' forged pistons in there) would only be necessary if you were intending to run 2+ Bar of boost. I'd also recommend a thinner gasket if you were building up from scratch, though as you say maybe just leave the existing one in for convenience. The lower compression will mean your off boost performance will be slightly poorer (potentially) as dynamic compression will be lower and also the squich band wont work so well to push the gases towards the centre of the cylinder.

It is just the convenience of it being all built up though I agree as a 'start from scratch' build I'd take the 1.3 as you and everyone else except CS recommend! out of interest and also as Craigs intended build was almost identical to mine except he had bought some Klassen cams for the engine not the std LEH one's I using why do you think CS would recommend the 1.9?

Edited by MrSimba, 26 August 2012 - 07:13 PM.

[Nev]

CS recommend what Klassen does I think. Klassen defies compression 'logic' and drops it a lot, but I think he doe this because he is used to squeezing the most power out of every turbo (by using max boost) - which in turn requires lower static compression. I suspect in your case, if you only want 400 BHP with your setup, you wont need anywhere near 2.5 Bar (more likely 1.6 to 1.8 Bar), so thus you can raise the static compression ratio. All in all it's not a huge factor really, it's easy to get hung up on such things, when all it may give you is an extra 15 ft/lb at 2500 revs. Just get the engine in and see how it feels, I doubt very much that you will be complaining about lack of power due to low compression!

Edited by Nev, 26 August 2012 - 07:32 PM.