FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
Motor is a 94 140 looper, just rebuilt. Starts and runs well. After running at moderate to high RPM it idles well at ~800 RPM in gear. When shifted into neutral it will surge up to 2000-2500 RPM for 30-60 seconds and then settle down to around 1000 RPM. No coughing or sneezing. Any ideas on what...