Toby,
This thread just keeps impressing my old friend. I love the shade of her wood works, not too dark and very realistic in appearance . I encountered the same cockpit fit issue as you. I ended up thinning the fuselage once again to get it to fit properly. In hindsight it would have been easier to have build the cockpit up as separate pieces . Have you test fitted the cowl to fuselage yet? I read about this issue in an old Windsock from when the kit was first issued by HobbyCraft. I followed Ray's suggestion to get the cowl to fit correctly,which worked out well. But be advised thinning the forward fuselage to fit the cowl will cause fit issues when using the Master Casters interior. Keep up the outstanding progress.
Highest Regards,
Gregory Jouette