I thought I would share this build with those who may be interested, its a mates engine we are building for a Manxter
CB super race case 3.5mm deck
CB 82mm crank 8 dowel
CB 5.5 H beams
AA lightweight flywheel
AA 92mm thick walls
DRD hand oval ports 58cc 42x37 0.020" step
1.25 rockers
FK43 108 L/C straight up heli gears
CB Ultralight lifters
CroMo studs and push rods
CB Throttle bodies
Microtech ECU
Twin IHI VF14 turbochargers with custom intake and exhaust.
The mock assembly with above combination netted 0.003" deck, with 0.020" in the head I will be installing 0.060" copper head gasket from CB
CR is 8.57 static 6.58 dynamic with plans of running 8psi boost.
more coming soon.
Engine porn can't wait for more. How are going to keep the front wheels on the ground!!!!
Cool Fish, keep it up. Turbo 2180 should wake up a few Subi buggies.
2180 with out a turbo would do that lol
Looks good mate!!
thanks guys, we are hoping for 200 HP at the wheels on 8psi soft tune and 98 pump, ultimately reach 250 HP on E85 with bigger injectors and more
boost.
Once we get the engine installed Westi will be fabbing the intercoolers and relevant piping, I'd like to see twin coolers behind the Manxter side
pods.
no thrills for the cautious
i got some fuel you should try.it's not meth.102oct.
mate I'd love to, we can talk when I come past
Troys old engine configuration made 248hp atw on 18psi from memory. 2332 with t3/4 turbo, welded volksy heads and unknown cam grind which he got with engine originally from speedway car. Waste gate spring wouldn't hold any more boost and injectors were running 100% duty cycle so needed to be bigger. They were modified rb26 dett skyline injectors. Now with comp eliminators, gt42r and methanol power should be a bit higher lol
I would expect Troy's new engine configuration with that big ass turbo to easily make 350+
We will see how it goes!! He plans to have it ready for Warwick. Mighten be painted and pretty but track ready.
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lol i think we all exaggerate ever so slightly in the hope of getting there in the end
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To clarify, my notes say Troys old engine(vw heads) made 227hp, and as much as 233 danger lean on 18psi.
a long way from 248.
My head flow comment WAS refering to his new heads/ engine.
Yes it should make more, but a wild guess is all you are making until it is running.
Sorry for the hijack, back to your regular programming....
Where's the like button??
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both I hope
Yeh both
I love all this talk about my car and I haven't even said anything!!!!!
Yeah Troy, just get it on the dyno already.......
Another head to choose from after a slight massage
Check around where the oil pickup tube goes to it the block.
Mine was cracked and required welding
thanks mate, always best to double check twice...........not a lot of progress made hopefully will get the copper head gaskets and other goodies from
CB before the weekend.
Anyone else have issues with AA cromo flywheel mating to the CB crank?
Those AA flywheels are not very good on the clutch surface. Found it was not very grippy surface and glazed up easily.even when resurfaced. I ended
up going back to lightened vw flywheels on anything that made decent power
Cheers Adam
^^ me too, the AA flywheels aren't a patch on old German VW. I know one of Australia's best clutch specialist that has offered to buy any old VW
flytwheels to use the clutch surface material in his custom alloy flywheels. It is in his opinion the best material he has ever experienced in his 40+
years of building clutches.
Recently I chucked a new replacement in the bin due to the flywheel mating surface being so poorly finished, it appeared it would have damaged the
crank quick smart.
German all the way for me too.
not me ,but someone i know,didn't actually mate properly.
I've run a lightened VW flywheel for years and never ever had a problem. Yanks are very anti lightening flywheels especially when it comes to kombi's. my uncle has lightened a lot of VW flywheels over the years and he loves the quality of the steel they are made of.
will sort out the flywheel issue later, I've just been messing around with setting rocker/valve geometry....I hate doing this,
find full lift 0.383
half it 0.1915
mark half lift
install adjustable pushrod and rockers
set rocker parallel to head, adjuster inline with pushrod, rocker tip 90* to valve stem
I'm close but not perfect, seems rocker stand needs a trim or thinner lash cap
Also got the 0.060" copper head gaskets checked out, now get this rocker geometry right.
its all the time consuming stuff....i hate it too !