Gary's Track Day/Fast Road Weekend Car 1zz Turbo.. Now Built 2zz Turbo with E153

[Gaz2405]

[Gaz2405]

Couldn't help myself, just been out for another 2 hours in it.

VVti is pretty much there now and lift point dropped to 5200 seems to be the sweet spot, added some timing.(noticeable difference) car is wanting to lift the front now.

A few 60-100 test....two best runs 3.75 and 3.8 most under 4.5 seconds.

I'd say we're cooking on gas or at least optimax!

[Nvy]

Awesome progress, when are you going to dyno it?

[Gaz2405]

Awesome progress, when are you going to dyno it?

I'm forever "fettling" with it, but do need to book it in soon. Even if it's just a quick power run to see how the curve is looking, I can then use that to make any adjustments.

I have actually thought of hiring a Dyno for half a day and actually do some tuning on the Dyno whilst I'm there.

[Gaz2405]

Seeing as the weather isn't playing ball today decided to get under the car and give it an inspection.

Whilst I thought I'd got rid of my oil leak, it's still there but I've got rid of the cam cover leak.

Turns out I've got a hair line crack on my Elise Parts sump. Right behind where the oil filter is so difficult to see to start with, turns out it runs the all the way to the gear box!!

I've been mega lucky here spotting this.

After a bit if research turna out I'm not alone in these things cracking.

I've drained the oil for now and will remove the sump later on.

I'll either have it welded or replace, but cant stomach dropping £500 on another sumo, so may go back to a 1zz sump.


I doubt EP will do me a warranty as I've modified the oil return and plus it's a few years old now.

[jvanzyl]

Would you like to see if we can get a discount on buying two morosos?

[Gaz2405]

Would you like to see if we can get a discount on buying two morosos?

I'm just delving into ways to repair this one at the moment, with reliable results.

[jvanzyl]

I'm just delving into ways to repair this one at the moment, with reliable results.

This forum really needs a "dislike" button... 

[Gaz2405]

This forum really needs a "dislike" button... 

You know how bodgy I am it's JB weld or aluminium brazing rods written all over it......

I've actually used the rods before with some success.

[Gaz2405]

Hmmm all might not be as I first thought.

The sump is off and currently in the parts washer (dishwasher)....

On 1st inspection it doesn't seem like the crack is actually a crack....

The sump is fully welded internally and it looks fine....

However, the dirko sealant peeled off the sump super easy, I wonder if the sealant was off or if I got some contaminant on it proper to application.

The sump also came off the car easier than usual, sinik thinking this maybe my cause of the oil weep.

Once it's out of the *parts washer* I'll inspect further.

And in the meantime get some research done into the best sump sealer to use.

[Call the midlife!]

Hmmm all might not be as I first thought.

The sump is off and currently in the parts washer (dishwasher)....

On 1st inspection it doesn't seem like the crack is actually a crack....

The sump is fully welded internally and it looks fine....

However, the dirko sealant peeled off the sump super easy, I wonder if the sealant was off or if I got some contaminant on it proper to application.

The sump also came off the car easier than usual, sinik thinking this maybe my cause of the oil weep.

Once it's out of the *parts washer* I'll inspect further.

And in the meantime get some research done into the best sump sealer to use.

I used the blue hylomar they supplied with mine and found the same as you, practically fell off once I'd undone the screws.
It does say that hylomar is a "non-curing/hardening" sealant though.

[Gaz2405]

I used the blue hylomar they supplied with mine and found the same as you, practically fell off once I'd undone the screws.
It does say that hylomar is a "non-curing/hardening" sealant though.

Yeah I want something that'll hold the sump without the bolts in place!

[Call the midlife!]

Yeah I want something that'll hold the sump without the bolts in place!

I won't be using the hylomar again after seeing the state of it when I took the pan off, I'm not confident it had sealed around the screws either.

[Alex Knight]

Hondabond, no question.

It's not cheap, but it's bloody good.

I've never had/seen a sump sealed with Hondabond leak.

You can get it here.

[Gaz2405]

Sooo sump back on with Hondabond.

Some serious testing over the weekend, with a good solid 3 hours mapping and doing pulls.

I've settled on the boost where it is and left the timing, just playing with lift and VVt maps.

I did have the tiniest of drip of oil under the car a day after. (It sits on galvanised steel sheets in the garage so spillages are easy to spot)

Upon further inspection I think it is the residual oil coming down the block.

It looks like it's from an old cam cover gasket leak and is making its way down the back end of the block around the inlet manifold.

I've also spotted a slight weep from the oil return at the turbo, so I've ordered a new gasket for that too.

As a precaution I redid the crank case block off plate with hondabond to make sure.

I'll let it cure overnight then hopefully turbo oil return gasket will be here and I can fill her back up again.

[Gaz2405]

Still leaking.......🤦


Last try dipstick......o ring.

Holset oil drain gasket also still weeping.

I'm going to look to see if someone does gasket with an inbuilt O ring.
 

[thetyrant]

Hope you get it sorted, pesky leaks!  i guess if its just small drip after a hard days thrashing it must be very small and hard to spot, could try the old talc powder on areas suspected see if it makes it easier to spot.

[Gaz2405]

Yeah I know, it's running so well. Just this leak seems that be spoiling it.

This is how much was left in the garage floor tonight after sitting all day.

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The annoying thing is it just cover the oil pan in a thin film.

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And my minor weep at the turbo.


New rear arms also arrived.

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I've been under the car tonight, clean ed around the dipstick as much as I can and blathered it in hondabond....fingers crossed.

For a street car it's fine, but I wouldn't want to track it or Dyno it like this knowingly.
   

[Call the midlife!]

What brand are the arms please? They look like the ones I was looking at as they're way cheaper than a set of standard Toyota ones and I only want the toe control ones anyway (the ones with the taper bush, I'm sure they're the toe ones...)

[Gaz2405]

The arms were a group buy on the owners club. Unsure of make.

Still struggling with an oil weep, but haven't been out in it for a while.

Some spannering tonight changing out the catch can for a proper 2 litre jobby that's baffled.

If I get some time at the weekend the bay needs a tidy up and wiring ticking away

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[Gaz2405]

I think.....think .....my oil leak is fixed...


Been out for an hour's thrash tonight and the oil pan is bine dry.

[Gaz2405]

Looks like oil leak is sorted! Woo hoo!

I celebrated by turning the boost upto 26psi....wow just wow!

Blew a boost pipe off and put a hole in one of the blanking bungs.

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Undeterred, I knew I had a spare in the garage, new one on and back out.

I've also managed to get my spool quicker with the VVt map.

4th gear sees 20+psi by under 4k.

I'm now not feeling like I have to rev it out to the redline and can change gear earlier and still pulls like a train. Much more torques!

VE table is now well over 200% to keep the AFR's in the 11.5 range.



 

[Gaz2405]

Looking through my logs from last night...

Seems I'm running out of injector.....all 1050cc of it!

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I'm currently running 50psi fuel rail pressure, on a return system.

So I'll bump that up to try and give me some headroom. A quick check on the Injector Dynamic site suggests 70psi.

The only other thing I could think of that maybe, maybe caused this was low fuel (below 1/4 tank) and possibly the start of fuel starvation and losing some pressure.

But pleased at how well the AFR track target without using wideband feedback, that's all in the table 1 and table 2 fuel map.

 

[Nvy]

Arent you worried about your tranny?

[Gaz2405]

Arent you worried about your tranny?

It's collateral damage if it goes.