at what hp is it neccessary to replace the rocker arms with aftermarket ones. and when you change the rocker arms does the company supply you with new lmas or do you just use the stock ones?just curiuos. im a newbie, but keep the flaming to a minimum please k sweet thanks

 

I would also like to know so bump 4 you

 

It's not necessary to replace the rocker arms for high hp. The Phantom Grip rocker arms can be used in race cars to eliminate valve train weight and improve high rpm power. The engine is always on the big cam with these things-no LMA's. User 12NV is running them:

 

check out ferrea they have roller rockers for imports
http://www.ferrea.com/productlines.php

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mamaboy &raquo;</TD></TR><TR><TD CLASS="quote">check out ferrea they have roller rockers for imports
http://www.ferrea.com/productlines.php</TD></TR></TABLE>

These also eliminate vtec and require a special cam.
Glenn

 

These rockers require the use of special roller profile camshafts, I believe. $$$
See above post-lol

 

horsepower doesnt matter to rocker arms, there isnt any more strain on them when they are on a 400HP car compared to a 200HP car. RPMS are the only thing that would affect them.