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porting what is the difrens between woods and dune ports


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#1 rockenshee

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Posted 13 June 2010 - 06:59 AM

porting what is the difference between woods and dune ports

Edited by rockenshee, 13 June 2010 - 07:03 AM.


#2 madjimmax

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Posted 13 June 2010 - 07:48 AM

The basic differences between port jobs is when the power comes on. A woods port is a low to mid powerband, a dune port is more a mid to top port and a drag port is all up top. Give Jeff @ FAST a call and He'll hook you up.

#3 Jereme6655

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Posted 13 June 2010 - 07:51 AM

porting what is the difference between woods and dune ports


Welcome to BHQ!!! A woods port gives you that extra power from porting down in the low to mid ranges.

a dune port is ported to give you the hardest pull from mid-top to top end.

#4 Snopczynski

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Posted 13 June 2010 - 09:55 AM

The exhaust port timing is usually ran lower on a woods port than a dune port. You usually widen the exhaust on a woods port, and sometimes even lower it by not running a base gasket and just using sealer on the cylinder. Also messing with the transfers, moving them up and making them slightly larger helps with the midrange.

#5 06specialedition

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Posted 13 June 2010 - 10:57 AM

Call Brandon from WILDCARD RACING, he knows his shit and could explain everything about porting. Me personally don't know much about porting and all that stuff..i leave it too the experts :headbang:

Good Luck

#6 Silentsoul

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Posted 15 June 2010 - 10:36 AM

The exhaust port timing is usually ran lower on a woods port than a dune port. You usually widen the exhaust on a woods port, and sometimes even lower it by not running a base gasket and just using sealer on the cylinder. Also messing with the transfers, moving them up and making them slightly larger helps with the midrange.


This may be a dumb question, but I was wondering what you meant by " moving the transfers up"?

#7 Snopczynski

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Posted 15 June 2010 - 10:38 AM

you raise the port height by grinding away at the sleeve.

Edited by Snopczynski, 15 June 2010 - 10:39 AM.


#8 AKheathen

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Posted 16 June 2010 - 12:10 AM

basically, woods porting puts the power starting right from the lowend, as stated, but what's more, the power and feel is allot more road and useable at differnt load ranges, for getting real technical. dune, on the other hand, is more of a flat out hard pull mid-top, but still retains some good, useable mid-low. a couple missed between the 2 are mx and trail. mx is focused on the midrange as a priority with low and high still working in there. trail is right there about the same as dune, but with more midrange and broader power. there area allot of different named port styles, and it's not really as cut-and dry as to exactly how they perform, especially when comparing one builder to the other. one mans dune will be close to trail, and anothers' closer to drag.