Has anyone here installed or tuned a car with these roller rocker arms? Are the gains really worth the cash and bypassing the vtec. And which cams would be most suitable?

 

Search for Toda VTEC Killers for parallel answers. And it's definitely not for a street car, if thats what your application is for.

 

PM user Jared. He used a set on his FI build. He's an AEM Certified tuner and did all the tuning on it. Also check up with Jack from P1 (b18cxr is his user name I think). He was able to get Toda Killers to idle at ~800 RPM).

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by all-mtr-teg &raquo;</TD></TR><TR><TD CLASS="quote">Has anyone here installed or tuned a car with these roller rocker arms? Are the gains really worth the cash and bypassing the vtec. And which cams would be most suitable?</TD></TR></TABLE> Crane are the only ones that make "roller rocker" cams for a B-series to match the rockers. You cannot use rocker-arm type cams on roller rockers. Single point contact (rollers) are vastly different from stock rocker arm type that are variable on contact.

 

There was a build on here with a guy using the crane roller rockers and matching cams in a b16 . . made 250 whp... i couldnt find the post tho sorry

 

whats the advantage of a roller rocker setup? do the rollers allow for a more distinct transition in profile compared to the flat tappet?

i guess there might be a little less friction between the rollers and the cams too?

 

Are these not roller rocker arms?
http://www.horsepowerfreaks.co...esium

How much are the crane?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by all-mtr-teg &raquo;</TD></TR><TR><TD CLASS="quote">Are these not roller rocker arms?
http://www.horsepowerfreaks.co...esium

How much are the crane?</TD></TR></TABLE>

They are one and the same, note that price is per pair so you would need 8

 

which cams besides todas are available? thanks

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by all-mtr-teg &raquo;</TD></TR><TR><TD CLASS="quote">which cams besides todas are available? thanks</TD></TR></TABLE>


Where does it say toda? Yes toda does make a vtec killer cam but they do not work with a roller cam. You must use the Crane/Ferrea cams or design your own/

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bluedlude &raquo;</TD></TR><TR><TD CLASS="quote">whats the advantage of a roller rocker setup? do the rollers allow for a more distinct transition in profile compared to the flat tappet?

i guess there might be a little less friction between the rollers and the cams too?</TD></TR></TABLE>Less friction? Less valvetrain mass? different powerband due to the fact of running on one lobe?. those are my guess's, corrct me if im wrong.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Professor15 &raquo;</TD></TR><TR><TD CLASS="quote">Less friction? Less valvetrain mass? different powerband due to the fact of running on one lobe?. those are my guess's, corrct me if im wrong.</TD></TR></TABLE>

i think there would be a REALLY small difference in mass, and powerband . what i was asking before was, will a roller rocker setup allow you to run a more aggressive cam than a flat tappet? and when i say aggressive i mean the transitioning from the ramp to an area of high lift. thats why some long duration cams suck in my opinion. now correct ME if im wrong, but cam design is also limited by accelerations caused by the profile itself. so if you want to keep your valvetrain and run above 5000RPM all day, you need a long duration cam right? but this normally kills your low RPMS, unless you could do what im asking about with the roller rockers. i guess im getting off topic.

 

did you all miss these from the same site as the rocker arms?

http://www.horsepowerfreaks.co.../Cams