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Just what you needed I bet. Good pickup on the dust.

Bearing seizure caused by overtorqueing then?

id put my money on it. Thing is if the rb20 didnt blow, id now have an r32 with an rb20 that ive spent just as much on as i have the rb31det. I awlays intended on upgrades to my skyline...ask Joel :) I was picking his brains just before my 20det blew....:)

I love the 31det and would never go back. Simple as that. Makes power everywhere, and its soo easy to control. No "plant the foot and wait for it"...power is just there when u want it.

As for the interference motor bit....id put all my money to bet that it will happen again with the rb31det if the belt lets go.

could it be that when the belt broke the result was a bent crankshaft sent the valves slightly more southward or the violent shock made the valves open more??? My rb26 is non interface as i have swang the cams around on tdc and nothing hit!!!

Sorry to momentarilly move off topic, but I promised a set of pictures of the R33 mounts and the engine lowering blocks I used. Note that each aluminium mount has had the mounting and locating slots lengthened for positioning on the top of the rubber pad, and the crossmember slot was lengthened from below the pad...Havent dissasembled yet so dont have any actual measurements. The engine/box braces were slightly relieved with an angle grinder to accommodate the power steering lines.

I've been quoted $38 a piston from Jet hot(RB30E forgies) don't forget the valves need to be done to get the full advantage of ceramic coating, SK knows more about this topic.

I rang HPC in brisbane and got a better deal.

It's $198 to ceramic coat the tops and cover the sides of the piston in solid dry film lubricant for a set ($33 a piston).

It's $8.80 for each ceramic coated valve ($211 for one engine)

$3.30 to apply S01 Solid Dry Film Lubricant coating to each valve spring. ($79 for one engine)

seems like cheap insurance to me.

Information is Here

Some trivia about the timing belt Dayco 94407 that most of you guys use.

Did you know this timing belt is also used on factory Audi A4's 1.8L 20V twin cam Quatrro and Turbo 95 onwards(ADP,ADR and AEB engines). Also for the Volkswagon Passat 98 onwards 1.8L 20V twin cam, including turbo (ADR and AEB engines).

It's the same motor in both makes.:cheers:

The forgies finally turned up.

It's an Arias rb30 piston kit, rings,clips and pins included.

It also came with a spec sheet which I scanned and uploaded with the pics.

Stroke 86mm????

Everywhere I have looked it states 85mm. ??

Very nice though.. Thanks for posting. :cheers:

Your right there Joel.

Arias state 86mm stroke and a displacement of 3.035L

In the Factory VL manual it says 85mm stroke and 2.962L

see attached pic.

I'm not too worried about the conflicting specs, measurements will be doubled checked before assembly.

Some trivia about the timing belt Dayco 94407 that most of you guys use.

Did you know this timing belt is also used on factory Audi A4's 1.8L 20V twin cam Quatrro and Turbo 95 onwards(ADP,ADR and AEB engines). Also for the Volkswagon Passat 98 onwards 1.8L 20V twin cam, including turbo (ADR and AEB engines).

It's the same motor in both makes.:rant:

If you look at the gates timing belt catalogue online.

http://www.gates.com/part_locator/index.cf...ocation_id=3002

For those motors/cars 1.8L, it list 3 different belts, all with slightly different amount of teeth.

Cam. Belt; W/152 Tooth Belt

Automotive Timing Belt T291 Interference engine application

Cam. Belt; W/153 Tooth Belt

Automotive Timing Belt T317 Interference engine application

Cam. Belt; W/150 Tooth Belt

Automotive Timing Belt T306 Interference engine application

I wonder if the shorter ones would allow you to use both lower tensioners, surely two teeth shorter wouldn't make alot of difference to the length?

The dayco belt is 152 teeth.

Any idea as to why the same motor would have different lengths belts available?

This guy used a 150teeth belt and could use the lower tensioners

Timing belt details are - Gates POWERGRIP GT2 p/n 1200 8MGT 30

it measures 1200mm long, 8mm pitch on teeth, 150 teeth, and 25mm wide but it was cut down from 30mm in the factory! Cost $80 as it's a heavier belt.  

The problem with that belt is the width and the type of teeth is not 100% correct, but if those Audi's have the correct width and teeth, maybe the shorter belt is better, if its available?

timingbelt1.jpg

These Audi belts are 22mm wide, whereas the OEM nissan belt is 25mm. Would it be fair to assume it is 12% weaker than the factory nissan belt?

I remember looking into this option, and i think they were either unavailible in OZ or very pricey.

What belt did you use MonstaS4?

The dayco belt 94407?, these are the cars that dayco belt are off?

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