nos399 Posted March 26, 2017 Report Share Posted March 26, 2017 (edited) Hi.. Rollaclub all Friends. I want to know about 4K Engine. 1.Normal RPM & Air Condition RPM. 2.Air hose (in/out) & fuel hose correct position to carburetor. 3.Air Condition compressor suitable for 4K Engine. Thankyou. Edited March 26, 2017 by nos399 Quote Link to comment Share on other sites More sharing options...
rebuilder86 Posted March 26, 2017 Report Share Posted March 26, 2017 It might take a while for you to get a response, this is the first time ive seen a question about aircon. This is probably very little help but ive got mine idling at 600 rpm at 20 degrees base timing (vacuum advance unplugged) which goes up to about 30 degrees at idle with vacuum plugged in (4K-U engine with dished pistons, no air conditioning). Most people struggle with 600 rpm with the stock 4k carb from what ive heard. Quote Link to comment Share on other sites More sharing options...
Western Revheads Posted April 1, 2017 Report Share Posted April 1, 2017 with 4K because its carby and has a manual choke, you won't really have much of a "normal" RPM depending on full choke/half choke/ open, also temp but mine can idle from 200-1000 rpm depending on choke openness Quote Link to comment Share on other sites More sharing options...
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