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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Sun Jun 26, 2016 10:28 pm 
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StinkyWizzleteats wrote:
ishigakisensei wrote:
Puss-on-Boost wrote:

I guess the skyline purists would feel the same way about a V8 in an R32 :lol:



Not necessarily so long as it was a VH or VK Nissan engine. One is already in a a Stagea:
https://www.youtube.com/watch?v=UjDGM7noTJw

That's still keeping it in the family...Nissan to Nissan. They'd cry if it was LSsomething into a Nissan.


I feel the joke looses something when you have to explain it...... :lol:

http://www.redlinegti.com/forum/viewtopic.php?f=28&t=53601

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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Sun Jun 26, 2016 11:13 pm 
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Sorry, forgot about that one :lol:


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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Mon Jun 27, 2016 8:36 am 
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Puss-on-Boost wrote:
racer5 wrote:
Zuboo wrote:

Now the question is where to go from here all the other Zuboo boys have gone to K20 honda blocks or i can go with luke burkill crazy G13b billet block deign.



Honda = no headaches, trouble free, unlimited options, low cost. Loose your soul.

Swift = headaches, high cost, zero options, pull your hair out, greatest satisfaction, retain your soul.



I guess the skyline purists would feel the same way about a V8 in an R32 :lol:


Yep, Its Souless, They shake their Heads especially since its a GTR.

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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Mon Jun 27, 2016 1:49 pm 
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racer5 wrote:
Yep, Its Souless, They shake their Heads especially since its a GTR.


But it would feel so good beating them :lol:

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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Fri Jul 01, 2016 7:05 pm 
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Running costs just a little more with the LS1

Re fuel I usually use 40ltres a day In NA trim in the gti.

So by my calcs ls1 430hp / gti 84Hp = 5.11 *40litres = Ls1 is 200 litres a day.

If this calc is right the gti will be having a swift resurrection.


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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Sun Jul 24, 2016 5:00 pm 
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As I read 31 pages and very impressive... Great job on your swift gti and drive skill. Last few videos from youtube were so insane... very insane for FWD hatchback.. Congrats Zuboo.

I am still wonder what the heck transaxles and suspension set you used. I bet nothing them is factory or it goes flip over.



PS. please don't use non-swift engine into your swift. Just machine a new forged block. :mrgreen:

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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Mon Feb 13, 2017 5:02 pm 
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I have not done an update for a long time so i will do it in stages to bring it up to date when i have time.

We pulled the old engine down to see what 330hp over 2 year of racing had done and apart from the crack not to bad.

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What we did find starting to go wrong was the circlips were damaging the piston from the gudgeon pin flexing from the load and springing back against the circlip damaging the piston.

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I also had the head pulled down and found some damage to the valves, nothing major but all were replaced. The valves was a strange one only damaged in the one cylinder looking like it could have been heat but the steam showed no sign of the unusual heat damage colour.

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As you know i cracked the block on the rear so being the cheap arses we are we went with the poor mans fix. Ended up layering the weld on the back of the block to build the material thickness up. No one else had tried the poor mans fix so we thought we would give it a try saving thousands over going billet. Yes it looks ugly as f**k.

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 Post subject: Re: Zuboo 3.0 (332Hp Yeah Buddy)
PostPosted: Tue Feb 14, 2017 8:06 am 
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I'll just grab some pop corn and sit back and wait for the rest of this one :) I've been hanging out for these posts!

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 Post subject: Re: Zuboo 3.0 (Hp Yeah Buddy)
PostPosted: Wed Feb 15, 2017 4:13 pm 
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We rebuilt the engine and threw it on the dyno i don't really run engines in any more just a quick start and check nothing is leaking and off to the dyno.

Ended up making 385.4Hp at the wheels on 24 psi and even cooler 243hp on 10 psi.

Video
https://www.youtube.com/watch?v=LBWmprSKSgo

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The changes with this build.

I'm still using cheap vitara pistons but i have upgraded the rings, last time i was using a Honda rings on the vitara piston where this time i had a custom set of total seal rings made for the vitara pistons they cost around $250 to have made but we suspected the last ring were flexing and warping under load.

I have the head aggressively skimmed and the block also to increase the compression, I'm now running in the high 9's in compression ratio's.

The head had the ports cleaned up again and better quality valves fitted due to the issues above.

Block was welded as above and the rest was still the same build as before but using a MK3 block this time.

I have not used any grout or devcon in the water jacket this time to see if it may have caused the block to crack with the load from the cylinders moving around pushing the grout against the outer wall.


I'm out sprint racing this Saturday at Queensland raceway around 1pm to see if it survives.

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Wed Feb 15, 2017 5:19 pm 
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=D> great work mate! Keen to see the results and love the detail for blokes like me who like to know :)

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Wed Feb 15, 2017 8:27 pm 
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Sounds amazing mate awesome build thread

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Fri Feb 17, 2017 1:48 pm 
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Hey dan do you have pic of the other side of the valve (seat side) or was the valve only subject to damage on the pictured side?

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Mon Feb 20, 2017 4:15 pm 
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southy wrote:
Hey dan do you have pic of the other side of the valve (seat side) or was the valve only subject to damage on the pictured side?



Only damage was on the picture side.

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Tue Feb 21, 2017 12:13 am 
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The weekend went good and bad.

I had a tyre let go during the last session which slowed the times and the engine was strong all weekend only some oil leak issues.

The throttle body snapped which was fixed with the a good old zip tie and i ended up 3rd fastest outright for the day.

Normal tyre.

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Tyre failure.

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Results

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Thu Feb 23, 2017 1:37 pm 
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Question zuboo are you still useing the Dave spec cultus cams and what gear was the dyno pull done 3rd or 4th and the dyno sheet is showing hp at the wheels correct?


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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Thu Feb 23, 2017 3:16 pm 
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4th gear and Hp at the wheels.

I run normal cultus cams which i have found have a little more down low.

Never look into dyno figures too much to many variables can be played with as well as different dyno brands, hardness of the tyres, wheel spin, altitude, air temp on the day and rolling or hub dyno.

A lot of shops now run hub dyno's in Brisbane and people are seeing a 15% to 10% gain just by removing the rolling mass of the tyre and the slippage on the rollers.

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Thu Feb 23, 2017 8:04 pm 
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Ooo ok cool. If you don't mind me asking why the choice of using 4th gear rather than 3rd? I'm amazed at the HP your getting now with less boost compared to what you were making before. You think it could be mostly the new rings and raise in compression that would of yield this HP your getting now? Still using e85 or a different gas?


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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Fri Feb 24, 2017 11:53 am 
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soul wrote:
Ooo ok cool. If you don't mind me asking why the choice of using 4th gear rather than 3rd? I'm amazed at the HP your getting now with less boost compared to what you were making before. You think it could be mostly the new rings and raise in compression that would of yield this HP your getting now? Still using e85 or a different gas?


We use 4th as it's the closest to 1:1 ratio.

The fuel is the same but the compression and rings will be making some difference.

The biggest swing in hp per boost comes down to the amount of timing used i can not stress how much a good engine tuner matters to a build and the problem is some people are really good at talking them self's up and all you end up with is a ok tune or a broken engine.

Getting back to the timing my engine does not run the big head studs just the normal ARP that everyone uses, so the problem is lifting the head and blowing the head gasket. Before i was running more boost and less timing to get the 330 hp trying to be kinder on the head gasket but the last few tunes we have been going the opposite way and dropping the boost and upping the timing making the E85 work for it's money. The result is less boost more power but the explosion in the chamber is putting more strain on the head gasket and fuel this is where the MLS head gasket and E85 fuel helps, it's a balancing act between trying to keep the head down and making power this is why we upped the compression on this build trying to get more bang out of the fuel.

I always smile when you see people saying the want to run over 35 psi thinking it is going to be a huge power figure but unless it has an aggressive timing map the figure is not going to be anything special, boost is one of many factors that relate to hp but it is not the one and only.

The reason my engines last years running over 300 hp where others struggle is the timing maps/fuel maps, we have mapped out peak loads on the gaskets and hot spots in the RPM over 15 years of racing so we know where we can push more timing and other areas to play it safe in the rpm.

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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Fri Feb 24, 2017 1:07 pm 
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Very true statement a good tuner is a must. Are you using 75mm or the 76mm vitara pistons? I'm surprised you have not grout this block so I guess we will see how strong the mk3 blocks are


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 Post subject: Re: Zuboo 3.0 (385Hp Yeah Buddy)
PostPosted: Fri Feb 24, 2017 1:24 pm 
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All my other engines were 76mm for maximum CC but we went with 75mm for some more meat on the cylinder wall.

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