Quote:
Originally Posted by Yellow_Glide
Hey G,
Been going a step at a time on both. As far as the car, have ruled out cam profile mismatch (long story) but I think elsololobo hit on something. He talked to the company who did the port work on the heads: the guy seems to think there is some valve size mismatch to the port work causing the loss - at least in my case. Been busy with work and haven't had time to talk directly with him but will do ASAP. That would explain a lot though- (supposed to) have a couple of weeks away from work and might dig ou the bore scope and drop a header to see for myself what's in the ports. Wouldn't be too difficult to resize a little on the valves to see what the outcome is.
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Glad to see you are making progress on both fronts? I'm taking it slow myself with this tuning issue I'm having.
When they ground the heads did they cut an angle for the valves so they flow more? I think mine had a 5-degree cut.