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that figure of 457awkw is aligned with what my tuner advised i could achieve if i switched to e85.

what exhuast diameter are u running?

That was at 20psi... will update when I get some more fuel flow

Exhaust is twin 75mm into 90mm-100mm(not sure). Center muffler 90-100mm and 5" internal rear round cannon. Primaries are long....past the gearbox up to the uni I think. No cats

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Did I read that right back on the previous page where you said 89mm bore?

Based on my experiences with machining and sleeving RB26 blocks, the outer diameter of the cylinders tend to break away when bored to 92mm which is the necessary bore size for the OD of the sleeves.

Admittedly I only have a little RB30 experience but does the RB30 block have thicker cylinders, say around 94-95mm? If so they would support a dry sleeve very easily with an 89mm bore.

Or have you done some very radical work in order to allow the block to support a wet type sleeve? I investigated doing this as well with the 26 block, and Darton told me the block wouldnt support a wet sleeve and retain good strength (I presume unless extra measures were taken). I guess with enough grout filling the block would become sturdy enough anyway.

I had thoughts of using a stepped sleeve, that is say 95mm OD at the top, and then 92mm from 1/2 way down the sleeve to the bottom. The theory being that this would give the cylinder strength where its needed, close to the combustion chamber end of the cylinder. While keeping the block intact enough to not compromise the bottom end rigidity. Then with a 1/2 grout fill it would still be pretty much bullet proof block, and support an 89mm bore.

Sorry this is off topic, but you seem to have solved your turbo choice situation... and you have a very interesting engine that provokes me to think of ways to add more capacity to the RB.

Edit...

89 x 87.7 = 3275cc!

Edited by GTRNUR

Had sooooo much fun at Mallala. Was happy to know that the car was faster in some parts than the Lamborghini (very similar straight line but faster in the twisties)

search youtube for : Mallala 14th Aug 2010. R33 GTR RB26/32DETT 716hp playing with Lamborghini

S**t I am surprised you even went out... the weather kept me away!

weather was horrible in the morning but dried up for a couple of sessions. I have some in car footage but it doesnt look to great. time to invest in a better camera i think

Had sooooo much fun at Mallala. Was happy to know that the car was faster in some parts than the Lamborghini (very similar straight line but faster in the twisties)

search youtube for : Mallala 14th Aug 2010. R33 GTR RB26/32DETT 716hp playing with Lamborghini

sounds nice & beefy!

if u get any more footage, pls add it to your thread

Keep the thread updated as to when you are heading out to Mallala again.

Good effort.

Will do, In all I was happy with how the car performed. I'm off the Collinsgrove Hill Climb on the 28th Aug...will be fun to get some anti-lag launches happening. I cracked a disc rotor yesterday at the track so looking at my options atm...

Not sure on what pads. Want a street/track pad. Obviuosly the best of both worlds...no squeal, low dust, low wear and high friction CoE..

Hawk DTC 60-70? may be noisy

Very nice setup & power BoostdR .

Have you looked at the Endless MX72 pads.. they seem excellent in my short experience with them, no squeal from them , excellent bite from cold & hot ..low dust.

The Angle on the Camera is not optimal, but here it is anywho

I went with Intima SR pads which are also a dual purpose street/track pad. Also grabbed some DBA slotted rotors, including pads $599

NON METALLIC ORGANIC ARAMID FIBRE MATERIALS (DON'T CHEW INTO ROTORS)

High thermal stablility from 0 to 700 degC !

Average 0.4µ to 0.5µ@ 700degC

Typical application: Performance Street and Circuit Track use.

LATEST TECHNOLOGY MATERIALS

These pads are formulated to take a thrashing. Made from extreme temperature, organic aramid fibre materials that don't chew up your disc rotors.

Intima is one of the largest Performance Brake Pad Suppliers to the Japanese Market. We stock a range of Street Race Series performance brake pads for Japanese and European performance vehicles with better specifications & performance as other big-name expensive pads but at much less cost.

One thing to note about cars; they are like women in many ways. Single, hot, sane - pick only two.

Quite the same with brakes really. Your not going to get something that works great for both street and track that doesnt squeal/eat rotors/have low dust. Pick two, be done with it.

For me brake dust is like war paint :D When real drivers see an immaculate car with crazy brake dust they know you mean business. My fav was washing the car the day prior (exhibiting some pride) and being told off by the old man for the amount of brake dust and bug guts the next morning :P

For me brake dust is like war paint :D When real drivers see an immaculate car with crazy brake dust they know you mean business. My fav was washing the car the day prior (exhibiting some pride) and being told off by the old man for the amount of brake dust and bug guts the next morning :P

+1

Not to mention the semi slicks with the rubber that looks like its been boiled!

One thing to note about cars; they are like women in many ways. Single, hot, sane - pick only two.

Quite the same with brakes really. Your not going to get something that works great for both street and track that doesnt squeal/eat rotors/have low dust. Pick two, be done with it.

For me brake dust is like war paint ;) When real drivers see an immaculate car with crazy brake dust they know you mean business. My fav was washing the car the day prior (exhibiting some pride) and being told off by the old man for the amount of brake dust and bug guts the next morning :)

haha, I like it. Unfortunately I have had the squeally pads before and absolutely hate it...must be getting old(32). I would prefer to replace the pads more often to be honest. I will let you guys know how the pads go and update you and on the Brakes/Suspension thread.

lol u remind me of my mate with his mazda mps - he dumps the clutch all the time & i ask him why?

to be honest ive never seen anyone do that in gtr whilst rolling, on launch im all for it though ;)

sounds tough :)

Edited by Marko R1
+1

Not to mention the semi slicks with the rubber that looks like its been boiled!

With their remains scattered from the budflaps as far as the bootspoiler.

Life at its best ;)

Sorry OP, back to topic!

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