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Tomei Rb28 Limited Genesis

Tommyk

By Tommyk,
in Engines & Forced Induction

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Roy Grand Master

Roy

Posted
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Out of curiosity, what do the rb30/26's rev to ?

How much have you spent on it? At the end of the day, an 86mm stroke is by no means a long stroke engine. a 3.0L six is no lumping dinosaur with huge piston speed should you want to rev it. The stroke is shorter then the M3, and i dont hear too many ppl complaining how they dont rev :wink: :

Ditto the TVR 4.0L in line six etc etc. Throw a turbo on the side of them and they weil rev fine. A short stroke engine will always rev freer then a longer stroke motor, and also have lower piston speeds etc, but there is always a compromise.

And can i ask what do you mean by not liking the power delivery of the RB25?

Roy Grand Master

Roy

Posted
Posted
I reckon a few people do...quite a few have thrown rods out the side.

The s2000 engine has a massive stroke for what it is too.

Really? All the Euro tuning mags, a friend in Syd who him and his dad, cousins, all die hards...never heard abotu it....and their not one eyed, if it was a problem i would have thought they had of mentioned it!?!?!

Your not talking about a drag cars running big turbo etc and 10s that may have thrown a rod?

Tommyk Veteran

Tommyk

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And can i ask what do you mean by not liking the power delivery of the RB25?

Well quite simply - Compared to my current car, the rb25 is quite 'punchy', but severely lacks top end. I've been in a 230rwkw 3040 equipped gts-t, and it just didnt have it. Hitting the rev limited 1000 rpm earlier kinda spoiled it. Severely lacked top end. But it didnt have larger cams, and .... eh i dunno.

I like the linear power delivery of my current engine :woot:

Mik Experienced

Mik

Posted
Posted
Really? All the Euro tuning mags, a friend in Syd who him and his dad, cousins, all die hards...never heard abotu it....and their not one eyed, if it was a problem i would have thought they had of mentioned it!?!?!

Your not talking about a drag cars running big turbo etc and 10s that may have thrown a rod?

I heard of them doing it...and then saw one with my own eyes at the drags a couple of years ago. It was a bog stock E46.

I also knew a guy that worked for a BMW dealer in the workshop. I mentioned it to him and he said they had had a couple in the workshop too.

As far as I know, it's only the E46s though.

BU5TER Grand Master

BU5TER

Posted
Posted
If I had a Tomei engine...I'd race you Brett...

Actually, when are you heading down next, I may even be up for a nice view of your tailights with my backyward engine :tongue:

Not sure, was hoping to see you out there first to show us all what a Jap stroker can do

Tommyk Veteran

Tommyk

Posted
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You might have to wait till Tommy gets his Tomei engine...because Micky only has a Micky engine :woot:

You're gonna have to wait at least until August before everything is put together.

I think my threads been dragged to the dog house. Thanks a lot BU5TER. Damn gts-t drivers :blink:

Mik Experienced

Mik

Posted
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Something to that regard ? :cheers:

Anyone got anything to add

Yep...something else I forgot to mention was to check what sort of fasteners Tomei use in that engine. If they use Tomei Head, main and cam fasteners, they alone are worth a small fortune.

It's worth replacing the old ones, and even OEM nissan ones aren't cheap.

Blitz Grand Master

Blitz

Posted
Posted

Tommy, you may have have told me this already but can you confirm what your actual goals are with the new engine in terms of power and application (drag or street etc) - What do you realistically want out of it

Nick

Beer Baron Grand Master

Beer Baron

Posted
Posted
Tommy, you may have have told me this already but can you confirm what your actual goals are with the new engine in terms of power and application (drag or street etc) - What do you realistically want out of it

Nick

I heard that the purpose of this new car/engine is to impress the beer baron. so far it's working.

Tommy, ask them if they have a 2 for 1 special and i'll take the free one :cheers:

I say just do it. if it makes sense to you buy it.

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