Do Rb26 Conrods Fit In Rb25?

[aussiboir33gts]

rebuilding a rb25 lookin at cheaper alternatives then forged rods tryin to do this rebuild on a budget so wondering do rb26 conrods fit on a rb25 crank and will the standard size rod bearings suit?? also r the stroke lengths the same ie. same sized rods etc. any information is greatly apreciated cheers guys

[R31Nismoid]

RB26 rods are good and cheap.

If you have a search you'll find a number of people have used them, and posted info about using them

[T04GTR]

yes they are the same length. just stronger.

[blind_elk]

RB26 is a "stroked" RB25 - both engines have same bore. (Probably RB25 is actually a de-stroked RB26)

RB26 gudgeon pin is higher up the piston - don't know if this indicates that the rods are the same length.

Why not just use standard RB25 rods?

[aussiboir33gts]

lookin for sumthin stronger as hopefully ill be puttin forged pistons in aswell and ill be running high psi and yes i should put forged rods in but cant really afford it so im tryin to cover the neccesities and doing my best elsewere. im only rebuilding as my cureent engine has got 70 psi in cyclinder 2 due to over a year with 22psi has a hks gasket but standard internals r only good for so much so just lookin at all my options

[Trust33]

if i were going to build my engine and was thinking about going on the cheap but keeping it in standard block guise and not going the 3.0l route then i would use the

*rb26 rods *forged pistons *thicker head gasket *clean the head up with reco and port matching done on the inlet and outlet yada.

they use these rods to over 300 rwkw in the gtrs.thats some serious power for a rwd street car.

[Mid_Nite_R33]

just came accross this:

http://cgi.ebay.com/ebaymotors/EAGLE-RODS-...bayphotohosting

isnt that a good deal if you were to rebuild your motor?

[Abo Bob]

Doesn't compare to $200 for used RB26 rods. Yes they fit. They bolt straight in, no mods, perfect. The difference in the RB26's is the pistons. The rods are the same length, just thicker and so therefore stronger.

I know a GTR that had standard rods with 440awkw or so and when it went it was a spun bearing. Rods were fine.

[ahh 33 s2]

does this also mean you can use 26 rods in a 30??

[Adriano]

  ahh 33 s2 said:

does this also mean you can use 26 rods in a 30??

No, rb30 rods are heaps longer than 26 ones

[aussiboir33gts]

cheers for the replys guys everything just helps me in making my mind up. my rb25 was putting out 440 hp on standard internals had a hks 2mm headgasket so tryin to build a v low budget motor which can support that power if not even drop the boost a lil and make sumthing nice and reliable but still fun ;-)

[NYTSKY]

I have a set in my room that will be going into my RB25.They have been fully balanced,honed,small ends replaced complete with new ARP bolts.

Will be enough for my power needs thats for sure.