madkaw Posted Wednesday at 02:42 PM Author Share Posted Wednesday at 02:42 PM On 5/17/2025 at 2:33 AM, jonbill said: It's a welded p90a. I think the ports are 38mm. I think they must be as big as they can be since the head bolt holes broke through when we drilled them for m12 bolts. Did you have to use the air bleeds to balance ports ? I tried opening one up and didn’t get any response in the air . Quote Link to comment Share on other sites More sharing options...
jonbill Posted yesterday at 05:56 AM Share Posted yesterday at 05:56 AM Yes I did on the FAJs, I just about got the amount of adjustment I needed. Quote Link to comment Share on other sites More sharing options...
madkaw Posted yesterday at 08:41 PM Author Share Posted yesterday at 08:41 PM 14 hours ago, jonbill said: Yes I did on the FAJs, I just about got the amount of adjustment I needed. I don’t need much and it’s just on the first ITB. Maybe really have to crank out the bleeder to get anything out of it ? Quote Link to comment Share on other sites More sharing options...
jonbill Posted 15 hours ago Share Posted 15 hours ago I don't really remember I'm afraid, but I know there wasn't a lot of adjustment available. Have you looked at recentering the throttle plates to see if you can get more consistent air flow when closed? Quote Link to comment Share on other sites More sharing options...
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