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MissR34

By MissR34,
in South Australia

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mark99 Contributor

mark99

Posted
Posted
when i asked in the n/a part i was asked "why i wanted to make my car into a racecar" because i want bigger cams

Dont listen to them. Cams are a personal thing some people love big cams, some people hate 'em. If you like the sound of an engine with bigger cams in it, then for an n/a engine with the mods your car alrady has on it, cams and tuning to suit are a logical step.

mark99 Contributor

mark99

Posted
Posted
^^ agreed

its just proving a little hard too find cams to go in the r34 non turbo at the moment all i can seem to find is the ones for turbo.

Im not 100% sure on this but you might find your best bet is to go with r33 rb25det cams, and change the cam angle sensor drive in the front of the cam to suit your r34 cam angle sensor. Im pretty sure r34 turbo are solid cam, where as non turbo is hydraulic, so for simplicity if you stay with hydraulic cams from other rb25 engines, other than the cam angle sensor i think they should fit straight in (any one feel free to tell me if i've over looked something else). Im not sure what the assembled height of the valve spring on the non turbo neo is like compared to the turbo rb25, i wouldn't think it could possibly be any worse, so valve springs should to be able to be sorted one way or another.

If you add adjustable cam wheels, then the fact that they are "turbo cams" really should not matter, as long as the lift and duration are relatively larger than standard. Whoever tunes the car will be able to adjust the lobe seperation to suit n/a application with the cam wheels. For all intents and purposes, lobe seperation is the biggest difference between n/a cams and turbo cams, so with adjustable cam wheels, this is not such an issue.

Hope that helps, but like i said dont quote me on this. Im going on memory for all of it, and i may have overlooked something. But it would be a good place to start

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