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R33 Rb30 Conversion

JNR24

By JNR24,
in Engines & Forced Induction

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the phantom Collaborator

the phantom

Posted
Posted

Bl4ck32....why did you go with a custom 1 piece tailshaft?

Cubes et al....is there actually that much meat on the '32 engine mounts that you can slot them 13/15 mm? On the R33 the mounts are minimalist alloy items and that much would almost cut through. Since my entire front end is now on a pallet on the floor I may take some pictures and measurements of my setup...

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Duncan
Duncan

Just thought I would bump this 20 year old thread because the Skid Factory have just posted up a video summarising a lot of the content, format might be more familiar for newer members

JNR24
JNR24

fyi guys, Well yesturday i picked up a RB30 for my conversion into my R33. I will be using my RB25DET head on the RB30 block. So i started stripping the motor down, pulled the crank, pistons, girdle

Cubes
Cubes

Here is all I have at the moment: http://www.geocities.com/r32_jjc/ Unless you are on broad band make sure you right click then save as. The file is around 120kb. If there is anything I have got w

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Alf Proficient

Alf

Posted
Posted

Joel:

In your PDF its says that u changed the 25 idler pulley to a tensioner pulley.

Were these 30 or 25 items?.

My 25 pulleys are rooted, I can get 2 x 30 tensioners (I asked for VL RB30E ones) for cheaper than 25 ones, also how much did u get ur Gates 94407 timing belt for?

cheers. :rofl:

RB30-POWER Mentor

RB30-POWER

Posted
Posted

I've got a question, when you guys have relocated the tensioners, have you tapped the spike/bolt for the spring to push/spring on, to get the self tensioning effect, or have you just adjusted them by hand and tightened them, if you know what i mean....

Alf Proficient

Alf

Posted
Posted
I've got a question, when you guys have relocated the tensioners, have you tapped the spike/bolt for the spring to push/spring on, to get the self tensioning effect, or have you just adjusted them by hand and tightened them, if you know what i mean....

I'd like to know too.

The RB30E tensioner pulley has a second stud to stop the spring from spinning around, I havent seen anyone use the second stud in a RB30/25/26

Cubes Grand Master

Cubes

Posted
Posted
Cubes et al....is there actually that much meat on the '32 engine mounts that you can slot them 13/15 mm? On the R33 the mounts are minimalist alloy items and that much would almost cut through. Since my entire front end is now on a pallet on the floor I may take some pictures and measurements of my setup...

This is from memory.. (again) lol

The drivers side is basically a piece of sheet metal shaped in to an engine mount. That was redrilled with no issues, old holes then filled in and hit it with the grinder.

The passenger side engine mount had the flat plate bit that bolts on to the engine ground off then rewelded (much better I might add) lower.

In your PDF its says that u changed the 25 idler pulley to a tensioner pulley.

Were these 30 or 25 items?.

How much did u get ur Gates 94407 timing belt for?

The tensioners are all the same, RB30/20/25/26.

I bought a new RB20DET item which used 2 internal bearings next to each other.

I then ordered a RB30 item as they had them in stock and found they only use one bearing. lol Typical holden. :P

I didn't bother with the spring as the tensioners are locking tensioners and require roughly 20kg's of tension on the belt.

The spring doesn't tension the belt correctly, it pulls up the slack to make life easier when fitting.

The belt.. $37.50.

Bl4cK32 Grand Master

Bl4cK32

Posted
Posted
Bl4ck32....why did you go with a custom 1 piece tailshaft?

r33 gearbox (with custom gearbox x member to bolt it into a r32), tailshaft, and modified speedo sender came out of another r32. Also had the r33 yoke etc. So it was a bolt in upgrade from that point.

It weighs heaps less too. I dont know how that would affect performance though :) ....or....lack of :rofl:

GTR-Ben Proficient

GTR-Ben

Posted
Posted
Ben,

 

Stupid me.. I didn't write it down anywhere.

 

It may be on my oldies computer as that is where I dropped the motor in.

Failing that I will give Shaun a buzz as he knows :(

Oh great! lol..

Well I am probably going to do it tomorrow.. so if your around.. please try and get the info! :D

Bl4cK32 Grand Master

Bl4cK32

Posted
Posted

I just like the idea of not having to worry about a worn belt letting go, or a tensioner bearing bolt snapping to blow my motor. I reckon around 80,000 is a good time...hell why not 50,000 kms when the two tensioners + belt comes to $220 for a major service.. :)

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