timsz Posted October 28, 2015 Share #1 Posted October 28, 2015 I have 71Z with F54 block and triple Mikunis. I was thinking of putting a catch can on it. Any opinions? Thank you. Link to comment Share on other sites More sharing options...
grannyknot Posted October 28, 2015 Share #2 Posted October 28, 2015 Is your engine spitting a lot of oil from the lower breather tube? Link to comment Share on other sites More sharing options...
Stanley Posted October 29, 2015 Share #3 Posted October 29, 2015 If you don't have a PCV valve, the lower breather tube has to go somewhere. I've got one (a little strainer with a clear plastic bowl) between the breather tube and the PCV valve. It picks up about a tablespoon of oil per year. Don't want oil gunking up my PCV valve. Also have some clear fuel-resistant hoses going from the vents on the SU bowls to a catch can (vented plastic Sriracha bottle), so I'll know if they overflow. So far so good, but I can see how they might on a steep hill. So far they overflowed about one teaspoon in two years. It evaporated in the catch can. My floats are intentionally set a little high. Also have the coolant overflow from the recirculating tank going to a vented Sriracha bottle. So far nothing in it. Haven't gone up the mountain in summer since installing it, though. Catch cans required for race tracks as far as I know. 1 Link to comment Share on other sites More sharing options...
TomoHawk Posted October 29, 2015 Share #4 Posted October 29, 2015 What do you want to catch? Link to comment Share on other sites More sharing options...
timsz Posted October 29, 2015 Author Share #5 Posted October 29, 2015 My car is not on the road yet. Link to comment Share on other sites More sharing options...
Wilbur
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