Bansheeb0y5505 Posted November 19, 2008 Report Posted November 19, 2008 I recently aquired a trinity Stage 4 Head. I had a question.. It has 20cc domes which i want to keep, but says 66.5m on it which I believe means it was designed for a 66.5mm bore. Im running 65.25 I believe. Will these domes work or do I have to buy different domes? Quote
jbooker82 Posted November 19, 2008 Report Posted November 19, 2008 yes they will work. Usually there is only 2 different sizes. 64-66.5 (small or standard bore) and 66.0-68.0 (big bore domes). The small bore domes are good for all the bores that the stock cylinders have. Some times there is sealing issues when you get to 66.5mm running small bore domes. Quote
Bansheeb0y5505 Posted November 19, 2008 Author Report Posted November 19, 2008 So mine are still considered small bore? Just curious. Quote
flyhighprerunner Posted November 19, 2008 Report Posted November 19, 2008 correct...you should be fine Quote
Bansheeb0y5505 Posted November 20, 2008 Author Report Posted November 20, 2008 correct...you should be fine Ok, thanks guys. Will I be fine with 20's on pump gas? I'm pretty sure 20cc is the smallest I can go on pump. Quote
jbooker82 Posted November 20, 2008 Report Posted November 20, 2008 That depends on what elevation your at and wether or not your banshee has been ported. josh Quote
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