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Guest Mashrock
Hey - someone put me onto this so I'll quickly answer.

The R34 boxes (getrag) are damn tuff as far as holding power goes. The main gears themselves are nice and strong.

What they suck at is the size of the locator teeth (don't know the real term) that you find between the gears and the shift drums.

If you are really unknind to the Getrags on the downshifts if you are doing track work then those tiny teeth break quite easily. Then you will not be able to get into that gear above 3,00rpm (its like killing a suynchro) I busted them twice in 6 months before learning to be nicer. Now that I know how to treat it propperly I haven't had an issue.

For reference both mine and troys cars are probably around 650HP. But I busted the gearboxes back when my car was about 450HP.

Also - as far as the boxes being the same as the Supra - yes the gears are the same but I think the input shafts are a different size. (I fixed my gearbox with Supra parts as Nissan don't sell them)

Cheers

reading this makes me feel so much better!!

have some love (L)

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I ordered my Tomei 2.8 kit today.Dont have the funds to buy a complete Tomei built motor.I got the kit for $5950 which is a good price,the kit with the cooling channel in the pistons was $1200 more.

Getting my clutch rebuilt by Jim Berry,better start saving for an OS box I suppose.

I ordered my Tomei 2.8 kit today.Dont have the funds to buy a complete Tomei built motor.I got the kit for $5950 which is a good price,the kit with the cooling channel in the pistons was $1200 more.

Getting my clutch rebuilt by Jim Berry,better start saving for an OS box I suppose.

Where are u getting the kit from??

What's included in the kit???

Billet crank,H beam rods with ARP bolts,forged pistons,rings.

I'm getting it through a shop in Melbourne.He is doing a great deal for me cause of all the business I've done with him.Not sure he wants me to post up his details,it may be a one off deal.I'll check with him tomorrow.Pretty sure he wants to be a sponsor,not that easy on SAU,he rips Nenguns prices.He can also get me Tomei H beam rods for $1490.

And I dont have to pay up front as he is a legitimate business,he doesnt use my money to buy the parts.

In regards to piston size,I'll let him know tomorrow.The motor is still being pulled apart.I wanted to avoid going this far as I was under the impression the motor had forged pistons.I was a bit shocked when I found out it had stock pistons,stock rods and crank and stock head gasket.It made 370rwkw at 1.5bar.I over revved it with a less than full sump,bearings in the sump.

I suppose at that power level and boost the motor would have let go sooner or later.HKS 2530's now for sale.LOL.

Edited by m&m
Billet crank,H beam rods with ARP bolts,forged pistons,rings.

I'm getting it through a shop in Melbourne.He is doing a great deal for me cause of all the business I've done with him.Not sure he wants me to post up his details,it may be a one off deal.I'll check with him tomorrow.Pretty sure he wants to be a sponsor,not that easy on SAU,he rips Nenguns prices.He can also get me Tomei H beam rods for $1490.

And I dont have to pay up front as he is a legitimate business,he doesnt use my money to buy the parts.

In regards to piston size,I'll let him know tomorrow.The motor is still being pulled apart.I wanted to avoid going this far as I was under the impression the motor had forged pistons.I was a bit shocked when I found out it had stock pistons,stock rods and crank and stock head gasket.It made 370rwkw at 1.5bar.I over revved it with a less than full sump,bearings in the sump.

I suppose at that power level and boost the motor would have let go sooner or later.HKS 2530's now for sale.LOL.

Tomei do not do a billet stroker crank...

Yeh,Iwas pretty sure they only did counterweight cranks with there stroker kits.His email to me says billet.I'll confirm with him tomorrow.Either way I'm getting the kit.

pm's replied Tommy and Jag

Edited by m&m
Yeh,Iwas pretty sure they only did counterweight cranks with there stroker kits.His email to me says billet.I'll confirm with him tomorrow.Either way I'm getting the kit.

pm's replied Tommy and Jag

The Tomei RB28 kit comes with a forged semi counter crank that comes from the sae factory as the OEM Nissan one.

lots of unknown but in the rb28 dyno thread i have listed what i know about.

i need to get some split dumps, and i should be sorted.

will even do a test to see how much better they are.

comming soon!

just throw it on the dyno already! costs $50 and can tell us what a set of unknow internals, together with unknown cams and unknown turbos can do! lol. We've been hearing about the 580ps for over a year i for one am dying to see what this beast can do. :D

I posted the first 10 pages of 160 from the RB26DETT rebuild guide by nismo/tomei in my gallery..

There is a full on section in the back showing every step from when tomei receive your engine to when you get it back.. There is alot of steps and pages

Will take me along time to post it all so ill do in sections

Also the only mention of a tomei 2.8l is the kit, not the engine i dont think

But there is pages of stuff on the Tomei derive/genesis and how to tune with reytek, how to install poncams and camgears & Nismo's S1/R1 Engines

Plus a massive parts catalogue in the back with alot of stuff ive never seen on nengun/greenline or other parts places such as all the mines kits/tomei kits etc

yep it's the same book i have. the rebuild stuff is good, but the parts catalogue in the back is a bit out of date. i bought it whilst in japan back in jan 2004 and i think it was by no means a new release even then. awesome book though.

Guest Mashrock
just throw it on the dyno already! costs $50 and can tell us what a set of unknow internals, together with unknown cams and unknown turbos can do! lol. We've been hearing about the 580ps for over a year i for one am dying to see what this beast can do. :D

soon rich :P

soon!!

waiting on a clutch from japaz now.

i hope by the end of the month!

i have a skid pan day comming up.

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