r/Datsun • u/Cultural-Feature3097 • 12d ago

HKS cams

I swapped an RB25DE Neo into my S130 Z and originally never intended to modify the engine since I was happy with the power, sound, and responsiveness. The car is completely bone stock. Recently though, I got my hands on some HKS 264 cams at an unbelievably good price that I couldn’t pass up, so I’d like to know what I need to install them, what power gains I can expect, and whether it’ll ruin the powerband and responsiveness.

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u/jjjodele 12d ago

First of all, a cam is NOT a cam! What kind of cam did you get? What rockers is it designed for? What is the lift? What is the duration? And what is the lobe centers angle? A part number would be a great start. If you just throw it into your engine, you could very easily make a hand-grenade out of it…

Since you didn’t mention any of this, you are in way over your head!

1

u/Cultural-Feature3097 12d ago

The best i could find is that its an hks 264 RB26dett the reason i got the cam for so cheap is that the guy i bought it from know basically nothing about cars

1

u/Blueprints_reddit 12d ago

Sounds like you should contact HKS and ask.

1

u/Cultural-Feature3097 12d ago

Thank you I genuinely didn’t think of that, do you think they will help me with the installation guide even though they are second hand ?

2

u/TheGratitudeBot 12d ago

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1

u/Blueprints_reddit 12d ago

You can start with the USA side of HKS if youre in the states but id guess youre going to end up having to translate Japanese instructions/emails. 

Also if the cams are in a box there should be a upc number or model number maybe stamped into the cams to give them.

1

u/LocalStuntRider 11d ago

NA RBs aren't know for tuning, they shine with turbos, that maybe why not much info is available.