Jetting for port-polished head?

[Yamaharida14]

I am just getting my 03 rx1 back together after an off season engine rebuild. I had my head ported and polished from hurricane performance and I am also running K&N filter kits, and probably going to put and Excel exhaust on depending on funds. Wondering were I should start of on my jets? I had the K&N kit installed last year and I think my main jets are 165, I forget what I put in for pilot jets and I also changed the carb springs.

 

[grader]

i run 170 mains on my 05 with a modded airbox. the best thing you can do is buy a wideband 02 guage for it and you will know exactly what the jetting should be. i have an innovate unit and it works well. you have allready put some serious cion into the sled, dont be afraid to spend a few hundred on an 02 sensor so you know where your at with tuning. it can also be removed for your next sled in the future.

 

[Yamaharida14]

Thanks, Where is the best place to buy one?

 

[grader]

innovate motorsports