6Boost Rb26Dettt Manifold Install

[BoostdR]

Is it a MAF based ECU?

it's MAF

[BoostdR]

thats no good about the engine! from past experiance no3 or 4 spinning and the rest of the bearings ok tells me oil debis. as they are the first to get oil. and the first to get any contaminants aswell. where as if its no 1 or 6 then id look at oil starvation as a posible cause as they are the last to get oil.

unless a grub screw fell out or something..

interesting. All the other bearings do look ok. Piston on number four lightly tapped the head. Crank has a nice wobble now. I taked to James(Nisspeed) as he helped me build it. He seemed to think most likely detonation... but the oil pick was full of crap...can't tell if it was from my failed bearing or prior...

Things I am considering:

I was revving her to 9100rpm

I did hit the limiter quite a few times

Not likely oil starvation

Detonation was not high but hard to tell between real kncoks on my PFC and rpm limiter setting the knock sensors off.

Matt

[BoostdR]

[N1GTR]

Rods look like Howards? Very close to Argo.

Sorry to hear

[BoostdR]

Rods look like Howards? Very close to Argo.

Sorry to hear

Yep, Howards =)

I'll get it sorted. Had to come out to sort a couple of other issue's I wasn't happy with anyway. And how much is an Rb30 crank....$50. Just need to find some more NDC bearings...may favourite

Matt

[DVS JEZ]

Is cyl 4 the only one with det marks. The top bearing looks hammered from detonation.

[NSNPWR]

9100 rpm...f**k yeah, no wonder it sounded so good in car...

[r33_racer]

If detonation was the more likely cause then any ideas on what caused the det?

[sucram]

do you think the rev's had anything to do with it

[Harey]

Could it be that you were revving to 9100rpm and hitting the rev limiter without having it tuned with the new manifold??

[BoostdR]

looks to most likely be from oil contamination. Crank is bent 45thou.. All in getting fixed now.

Matt

[T04GTR]

if that was the only one rooted. its picked up some shit and scuffed the bearing. NOT DETONATION. i seen the exact same thing on my gf engine after a dodgy oil cooler install. no3 bigend and main destroyed. the rest were perfect... it happens. the problem is at those revs you cant hear it start to go till its ruined.

was the crank grubscrewed?

[BoostdR]

Agreed. The crank has ball bearings, non OEM

[BoostdR]

Crank has been straightened. Rod was cracked so I have to source another howards rb30 rod. Haven't had much luck from howards themselves....

Matt

[N1GTR]

You mean they wont sell you a single ?

[N1GTR]

If they wont, maybe its best to get a set of Argo's and get the motor going again, then if you find a 6th Howards you can use that set in another motor or just sell them?!

[BoostdR]

I prefer Howards. Will try Fabre

[chocco]

Id be so gutted

I hope all goes well this time round champ.

[BoostdR]

I prefer Howards. Will try Fabre

fabre have come to the party, 2weeks.

[N1GTR]

Good stuff!