Gtr Carnage Thread

[Angus Smart]

I have a broken dog box lay shaft to add.. tho i cant find it anymore.. also have a piston #6 ring land to add too..

hopefully that will be the end

[Jetwreck]

Bent a rod in our RB20 stroker!!!!!

[BOZ22N]

Bent a rod in our RB20 stroker!!!!!

what was it a 2.4 ltr? lol.

[N1GTR]

What the hell is that out of? A boat?

[warps]

its pretty amazing but i have a great solution for all you guys with GTR trouble take out the RB26 and replace it with an LS1! engine troubled solved!!!!

Fixed

[Risking]

I have added 3 pistons to my list today...

Started to breath into the dry sump tank heavily and once we stripped it down found 2,4 and 6 have melted away the ring lands

Not sure of the cause yet but will be checking injectors etc before blaming anything else.

[N1GTR]

So thats why you did only a handful of laps

[Risking]

Yeah I only did 10 laps in total. Really annoying as it had good pace in the morning, with more to come.

There's always next weekend....

Ill get another set of slugs and have it back together and running by saturday night. Just need to find the cause, so far all the data is showing everything to be reasonable. But number 3 EGT is slightly higher than the others which is also the piston it melted.

[Duncan]

oh yeah I remember 2 other things I needed to add to this thread.

tubro

I recommend removing all nuts and washers from the inside of your intake, this one cost me a motor (spun bearings and scored bores)

and an transfer case. I snapped the chain. I'll post pics later it is a pretty amazing acheivement.

Brad it might be your thread but you still need to post pics....

[sav man]

I thought you had a knome in your engine that time?

[Risking]

Ill put photos of the piston up tommorrow. There at the machinists but ill get them back tommorrow with all the other stuff.

That turbo is fairly rooted! Ive also been through a fair few turbos and my current ones are pretty average too.

[N1GTR]

Did the piston breakup affect the turbos? I cant believe how much of the piston wasnt there

[Risking]

Na the piston didnt do any damage other than to itself really. We have checked the valves and head. There is a few cosmetic marks on the squish bands but nothing that wont clean up with a surface grind.

Small mark on the bore which is a deposit not a score so it will be lightly honed and reused.

Pistons will be done tommorrow, set of rings, bearings and gaskets will see it back in action.

Sam was here tonight checking everything else out engine wise and the injectors are being tested tomorrow as well.

Ill use this engine again for a few meetings and re-block it when we have a 3 week break and I have another block preped ready to go.

The turbos are more so damaged due to the lack of air filters and dusty circuits we race on. Its something i've been trying to get sorted but driving the car has become priority over making up and intake, kinda backwards really but oh well....

Best photo I currently have, there is about 80%of the top ring land gone and its burnt all the way down the skirt.

[SDEWY5]

So thats why you did only a handful of laps

wait a minute...who else was at oran on the weekend?

I saw u disappear brad, didnt kno wat went wrong til Greg told me later. Thats a bugger...wat pistons are you running?

[FineLine]

oh yeah I remember 2 other things I needed to add to this thread.

tubro

I recommend removing all nuts and washers from the inside of your intake, this one cost me a motor (spun bearings and scored bores)

and an transfer case. I snapped the chain. I'll post pics later it is a pretty amazing acheivement.

Brad it might be your thread but you still need to post pics....

I came sooooo close to that one myself Dunc. Got home from a cruise on sunday and popped the bonnet for a quick look see and crapped my pants when I saw one of the backing plate bolts was missing from the air cleaner.

Knowing that there was a nut on the inside of the filter made for some heart in mouth stuff while I took the filter off.

Huuuuuge relief to find the nut laying in the bottom of the filter.

One redesign coming right up.

[Angus Smart]

oh yeah I remember 2 other things I needed to add to this thread.

tubro

I recommend removing all nuts and washers from the inside of your intake, this one cost me a motor (spun bearings and scored bores)

and an transfer case. I snapped the chain. I'll post pics later it is a pretty amazing acheivement.

Brad it might be your thread but you still need to post pics....

The Turbos i had on my car when it came from japan were like this, I didnt know untill i changed the dumps 2 years later.

it still made 360something hp and i thought it went sweeeet.. then got the turbos repaired and woahhhhhh massive difference..

and now engine pop and i'll finally post that photo

[Risking]

Heya that kinda resembles my piston but half as bad!!!

They were CP's in that engine.

[N1GTR]

Shame i dont have a pic of the CP's that came out oval shaped....

[Risking]

My bottom end is all assembled again!

Ill be chucking a head back on it tomorrow and will be sweet to go again.

Block is a little average now and Piston to bores are 1/2 thou over what they were last time but oh well.

[N1GTR]

Thats fast