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Gt3071r On Na Rb25

grim32

By grim32,
in Engines & Forced Induction

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Cubes Grand Master

Cubes

Posted
Posted

Lucky.. Not sure if you can get any luckier having that cam belt hold together.

There's nothing to really line up.

Just bolt the cams and cam gears on and thats it.

Your tensioners.. You had them replaced? Were they new or did you just have the beaings replaced within the shell?

grim32 Community Regular

grim32

Posted
  • Author
Posted
Lucky.. Not sure if you can get any luckier having that cam belt hold together.

There's nothing to really line up.

Just bolt the cams and cam gears on and thats it.

Your tensioners.. You had them replaced? Were they new or did you just have the beaings replaced within the shell?

My mate said they were fine, 5000kms ago we did the belt in the 20 with a gates one and just transfered them to the 25

BHDave Grand Master

BHDave

Posted
Posted

Whats the inside of the timing cover look like? Having the belt ride forward on the cam pulleys is a bit strange if the guide is installed correctly at the bottom. Is there anything else that may have rubbed through the belt? Was it over tensioned?

Cam seals don't look too healthy, whether it's the seal itself or the seal on the front cam cap is yet to be seen.

For it to dump 2L of oil out in the driveway points more towards a seal on the bottom of the engine though.

grim32 Community Regular

grim32

Posted
  • Author
Posted

Timing cover looks fine except for oil and shreaded belt everywhere. The belt was moving backwards and hitting the backing cover, i measured the tension when pulling it out and reset the tension the same.

CEF11E Veteran

CEF11E

Posted
Posted

I would be looking at the idler and tensioner. if they are not correctly aligned they can push the belt either back or forward.

or one of the cam gears may not be sitting flat.

wow that is one rooted belt :pirate: glad your engine is still in one peice.

RB30-POWER Mentor

RB30-POWER

Posted
Posted (edited)

All the DET engines run the same belt if im not mistaken.

EDIT: should have also mentioned, because of the reduced ignition timing on this NA engine, i would be keeping a real close eye on the exhaust temps. don't want to end up melting stuff.

Edited by RB30-POWER
R31Nismoid Grand Master

R31Nismoid

Posted
Posted
The boost controller i have is run through the computer but is turned off as i dont think i need any more boost at the moment :)

Ah, but in turning it on, you might have your boost regulated correctly.

It doesnt have to give you more boost, but it might well fix up the gate creep

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