> I understand economies of scale, but 3 to 4 times as much sounds a
>little much. Besides I think rollers are one of the last things I can
>do. I've already milled the head, got a faster cam, free flow exhaust
>and header, and dual webers. From what I understand rollers really
>reduce the lateral force between the valves and guides. This reduction
>in friction is good for around 10 hp? I've read it's more 10- 20 hp,
>although I am kind of suspicious of those claims. But because of the
>price I will probably go with a rebuilt stock assembly.
I recall that as I was building my TR6 engine my next door neighbor was
rebuilding a Ford 260 (if I remember correctly) and he bought new pistons
for it for $150 (that's EIGHT pistons) and I paid $250+ for SIX .040" over
pistons for my 6. OUCH!
Pete Chadwell
1973 TR6
|