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Lifespan on RB engines?

Raging Demon
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nismo33 Proficient

nismo33

Posted
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its pretty much hard to say really..esp. with import cars...for sure most import had the odometer clocked back...when i purchased my r33 it was fitted with a GTR dash with has 40K on it...but the original dash has 85K on it and the car was imported on 2002..i've put an extra 5K on it since i got it,.now lets say my car has done 100K ( originaly ) well.. i have to say..it still is running smoothly for a fairly moded one.

just really depends on how you drive it and look after it...crash it and go R.I.P.

i'd say 35cm for a piace of string.

BHDave Grand Master

BHDave

Posted
Posted

My r32 gtst made it to about a genuine 180k (based on a service sticker i found having 60k more than the odometer when i bought the car). Swapped the engine out as it was getting tired and blowing a bit of oil into the intake.

The last 60k were done with better than 160rwkw and the last 20k with 175rwkw.

Stripped the motor today and found everything was in pretty good condition considering, with a fair bit of blowbye obvious on the sides of the pistons and a bit of excessive wear on a couple of the big end bearings and some minor scoring on one of the main bearings. Other than that the bores still had obvious hone marks and there were no busted ring lands, damaged rings or anything like that.

nmcmahon83 Proficient

nmcmahon83

Posted
Posted
and a piece of string is definately 30cm

Not necessarily... The faster you go, the shorter the piece of string gets :D So someone driving a highly modded R34 GTR might observe the same piece of string o be shorter than someone driving a stock R33 GTS-t for example...

All the nerds out there will understand what I'm saying.

superspit Mentor

superspit

Posted
Posted
How long is a piece of string?

easy and indisputable.....

double the string's centre to one side!!!! :wassup:

except for G-strings, more complex geometrical math is required here. :Oops:

superspit Mentor

superspit

Posted
Posted
not a RB - but my 1979 Toyota Celice has done 790,000 km's - same engine :rant:

i just service it every 15k and it's fine :rant:

umm.....so you get my point then?

Those 2 litres appear unbreakable, but 'truck' like!! :wassup:

NA_R33 Grand Master

NA_R33

Posted
Posted

I killed my RB26 with 62000k's on the clock, my RB25DE had a 114 on the clock when it was layed to rest and still went like a dream, i got it with 50 000k's on it and cained it everywhere, lots of drag and track days and it did about 30 000k's with a 75hp shot of gas running though it, in the few months leading up to the engine conversion i was trying to kill it but couldnt, its gonna go in a project car next year.

rev210 Grand Master

rev210

Posted
Posted

my r32 gtr has around 240,000kms on the motor, it's pretty stockish. It has had a modest power increase over factory however the improvements I have had done aim at reducing the revs and boost required to make the same power as factory. This still means my engine will now not last as long as if I had left it alone under the same servicing regime.

Basically the more power you have and use regularly the quicker you will need at least a bearing / compression ring etc. rebuild.

The concept that a worked engine (say race spec) is going to last as long as a stock engine with the power being utilised is for dreamers with no money. If you have no money then drugs, gambling and performance vehilces are a sure way to increase your risk of spiraling debt and depression. Have a nice day.

Col-GTSX Grand Master

Col-GTSX

Posted
Posted

The RB series has been proven to bea very strong motor...

Its the heart of all skylines right back from the 31....

It has proven itself on the track/drags/rally and street use....

The life span is very hard to determine. As left standard and driven every day for an hour a day it should last longer than the panels (rust will take over before engine dies)... If boosted or NOS'ed, Drifted and draged every where then it aint gonna last that long....

Would you say a Big Block Chev is strong.... I would....

Then how come Top fuel dragsters re-build after every run.... Its cause their pushed....

That same motor reving at 2000rpm all day everyday would run for ever.....

It comes down to the build quality and treatment.... My 2c

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