Can a RB25 belt cover be used on a RB30 block?
The RB30 lower timing belt cover can be used. Obviously, the RB25 upper belt cover needs to be used but it needs to lengthened a bit due to the increased deck height of the RB30 Block. To work out the dimensions of the extension, I made a cardboard template ( a couple of them actually ).
Can a Haltech engine harness be used on a Nissan RB30?
With the addition of single cam CAS and ignition breakouts (pictured below), Haltech’s Nissan RB Terminated Engine Harness can now be used on single cam RB30 engines. The RB Terminated Engine Harness (pictured below) is also available in kits with either Elite 2000 or 2500 ECU.
Is the RB25 cam belt too short?
The RB25 cam belt is too short because of the increased deck height of the RB30 block. The RB30 cam belt tensioner cannot be used in its original location because belt tension cannot be gained using the Dayco 94407 belt.
What kind of head gasket do I need for Nissan RB30?
This conversion was achieved using a “naturally aspirated RB25 twin cam head without variable valve timing”. This allowed the use of a standard original Nissan RB30 head gasket and no modifications to the cylinder head coolant galleries were required.
The RB30 lower timing belt cover can be used. Obviously, the RB25 upper belt cover needs to be used but it needs to lengthened a bit due to the increased deck height of the RB30 Block. To work out the dimensions of the extension, I made a cardboard template ( a couple of them actually ).
The RB25 cam belt is too short because of the increased deck height of the RB30 block. The RB30 cam belt tensioner cannot be used in its original location because belt tension cannot be gained using the Dayco 94407 belt.
What are the best parts for a RB30 engine?
The optimum RB30 parts on an engine are as we have found the ones that give the best power gain for you spend. We won’t be swayed by popular RB30 parts, they need to be cost effective. Most of the highly tuned RB30s have forged rod and pistons and a crank now (usually RB25/26) so rev quite well but not usually above 8000.
This conversion was achieved using a “naturally aspirated RB25 twin cam head without variable valve timing”. This allowed the use of a standard original Nissan RB30 head gasket and no modifications to the cylinder head coolant galleries were required.