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Posted

ive got a stroker +4 long rod, cool head, wiseco 795 pistons, t5 pipes, and im going to buy a trail port job

 

-what carbs should i run if i do asphalt and trails?

 

-does my t5 will decrease the ultimate performance of my port job, do i need to buy some cpi??

 

i like to have a lot of top end but i dont want a bike that will broke after 2 hours of riding. thank you

Posted

i dont want to have more lowmid .. does a trail port help to unleash the power of a stroker crank??

i also do straight lines so i like to have a lot of top end..

Posted

If you are serious about building your engine, give some of our sponsors a call. They will point you to a port job that reflects your riding style and goals best. A trail port for a 4mm stroker is going to have correct port timings for a 58mm stroke.... and low end-mid range power. This is why I recommended a low-mid pipe. If you want more mid range and top end you might consider a "play" type of port job. Builders usually call them hot MX, MX hardcore, play/dune, ect. The person who you choose to port your cylinders will most likely base their porting around your current set up, including the T5 pipes. This would be a good compromise for trailing and dragging (but it won't be the "best" at any one riding style, either). Then there is the dune/drag type of porting that narrows the powerband to a hard hitting top end. This will sacrifice a lot of ridability but in a straight line there's not many a 4 stroke that will keep up. Just don't play with them on their home court or you'll find yourself struggling below the powerband or in a tree (I'm of course talking about trails and such). Jeff at FAST racing has treated me great, and there are plenty of others who come highly recommended.

Posted

If you are serious about building your engine, give some of our sponsors a call. They will point you to a port job that reflects your riding style and goals best. A trail port for a 4mm stroker is going to have correct port timings for a 58mm stroke.... and low end-mid range power. This is why I recommended a low-mid pipe. If you want more mid range and top end you might consider a "play" type of port job. Builders usually call them hot MX, MX hardcore, play/dune, ect. The person who you choose to port your cylinders will most likely base their porting around your current set up, including the T5 pipes. This would be a good compromise for trailing and dragging (but it won't be the "best" at any one riding style, either). Then there is the dune/drag type of porting that narrows the powerband to a hard hitting top end. This will sacrifice a lot of ridability but in a straight line there's not many a 4 stroke that will keep up. Just don't play with them on their home court or you'll find yourself struggling below the powerband or in a tree (I'm of course talking about trails and such). Jeff at FAST racing has treated me great, and there are plenty of others who come highly recommended.

 

 

thank you!! and do you know if it would be better to have 33mm carbs or 35??

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