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well i'm not a mechanic, nor have i pulled down a RB before, but i have taken off the cover for the timing belt, and they almost look like the locators for the backing plate behind the timing belt to attach to the block, but like i said, i wouldn't know for sure

The head is sitting square and in the right position I removed a couple of head studs to check, but I won't take the risk of it shifting under heavy load its been 4 years since i drove my gtr and god i miss it, ive just been down to gm Motorsport in melton and bought my self a 1.69oz tube of arp assembly lube enough to build the motor 20 times! So off to the workshop for another tear down

Cheers cam

They are definately the head to block dowels, I installed mine just the other day and they were the same (with the split). I also used ARP studs with them. I would definately take the head back off and install them.

The motor is still on the engine stand, I prob used the stud kit as alignment and not thought twice, the r33 engine manual has no mention of there being locating dowels which is why I may have over looked it, guess what I'm doing this weekend then god damn it!!, unless you guys think the arp stud kit would line the head up enough?or best not to risk it?

  • 2 months later...

After 4 years of slowly gathering parts for my rb26 im finally putting her back together(spun bearings) 4 years is a long time and cannot remember for the life of me where the hell these go!!they where in the same zip lock bag the 3 bolts for the lower front cover was in but cant see them being used for the front cover, hope some one can reconize these 2 sleeves i guess you would call them? and save me having to pull the motor apart again!

cheers campost-4531-0-08670400-1333005137_thumb.jpg

Did you work out where they go?

I had lower front cover off... also the entire intake side and water pump. Have ti all back together and have these two suckers left over! Would rather not have to do it again.....

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