which is better for High rpms? to what I understand X beam (pauter) has less windage loss which makes lubrication easier at high rpm, its also very strong on the compression stroke but weaker on the intake stroke.


I dont know much about the other designs.

 

up

 

bump i would like to know which is better for all motor h or I?

 

bump i would like to know also

 

I is more light than H

 

does that mean H is stronger than I

 

bump this

 

for all motor, I beam is the way to go, as long as your not HUGE stroke and not revving to the moon, the I beam is strong enough....

but H beams are definitely stronger rods...

i have no knowledge on the x beams....

 

uppage

 

what kind of build are you looking to do.....i think many people underestimate honda rods; saves weight too.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mgags7 &raquo;</TD></TR><TR><TD CLASS="quote">for all motor, I beam is the way to go, as long as your not HUGE stroke and not revving to the moon, the I beam is strong enough....

but H beams are definitely stronger rods...

i have no knowledge on the x beams....</TD></TR></TABLE>

If you are comparing something like this:


To something like this:


H beam is typically the weaker rod.

 

xbeam...i wouldn't pay for those.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by visi0n &raquo;</TD></TR><TR><TD CLASS="quote">xbeam...i wouldn't pay for those.</TD></TR></TABLE>

why?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote"> H beam is typically the weaker rod. </TD></TR></TABLE>

I thought it was the I beam rod the weaker, am I right??

 

typically, yes, but he is comparing the beefiest *** i beams to some econo h beams....

as a general rule of thumb I beam is lighter, H beam is stronger....

 

Not completely. There are more factors than just I beam vs H beam to decide which is better. An I beam can run dual pressurized oil passages to the wrist pin in an I beam design, where as an H beam can only run a single down the middle of the rod. This design feature can make a big difference for a high rpm motor, as lubrication to the wrist pin is critical.

 

I would look at weight over shape. Pauters are very strong rods but heavy.

 

Good question but poor responces, lets get some more info.

 

i beam are lighter and run dual pressurized oil passages and is better for all motor aplications..... but the 'H' beam design is stronger then the 'I' beam set up.. i believe if ur gonna run turbo or sc u would want to go with the 'H' beam.

 

oldie but goodie... nice thread. any more practical experiences? I notice X beam design is heavy compare to I and H...