But again I think the case has a greater affect on temps than anything else. But in cases with perforated/mesh front panels that promote good airflow the rad is best put upfront for intake.įor my one system I moved cases, in the previous setup I had the rad at the top set to exhaust, and when I recently moved that system to a new case (Thermaltake H18) with a perforated front panel I saw CPU temps drop by almost 10 degrees C, just by having my rad at the front of the case. I since added more fans so it is set to a push/pull config and temps while gaming are easily 10-15 degrees C lower than previously. I think the biggest difference is the case, cases with blocked front panels are terrible for air flow, so in that setup I would go with the rad at the top set to exhaust. I guess my tiny apartment room is just a really sh*tty environment for my desktop. Let us know how it goes.Deng, that's what I've seen too. Your baseline carb setup is 42 slow, 175 main, N65C needle & 2.5 turns out on the idle mixture screw. Back the ignition timing off 2-4 degrees. The SE exhaust gaskets are far superior to the stock ones.
Definitely check all intake & exhaust joints/seals & replace if you even think they are bad. Going too rich on the carb setup will drown it & that's what so many (especially H-D dealers) do.īut let's fix the problem instead.
Your bike came from the factory with the ignition timing a bit more advanced than it should be & that adds to the problem. That makes the engine act like it's got a higher mechanical CR than it actually does & with the higher CR pistons Wiseco makes for 883>1200 conversions + N2 cams, "pinging" is a known problem. In previous posts I've really gotten into cam lift, duration, timing so I won't do it again here, but the point is compression can't build until the intake valve has closed & when you close it sooner, the actual cylinder pressure you get will be higher. N2's open the intake valve sooner, but also close it sooner & the exhaust timing is different too. Your bike came with the "D" cams, which have a symetrical pattern intake/exhaust & almost no "overlap". cylinder pressure, although they don't increase the mechanical CR. Don't know which pistons you chose, but for stock 883 heads, KB "reverse dome" pistons retain the stock 9:1 mechanical compression ratio (CR) & Wiseco's are available in 3 versions, 8.5:1, 9.5:1 & 10:1. OK, now I can be of more help - I remembered your name & that you were planning an 883>1200 conversion a while back, but not the details.
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