I would think Torx bolts would be more appropriate than Philips heads
Torx? You know these doors were first fitted in 1969 don't you?
Early cars have Philips heads screws fitted (actually I think they're Pozi-drive but it's a while since I saw one). Later cars have Torx. I don't know when they changed but I think it will have been around the same time as the twin point was introduced.
Well I'm not used to a 1989 car being so old fashioned! Lol! I got a buddy over at RAFL (He's in the USAF) and he was telling me when he went to go buy his 1987 Mayfair. He said he couldn't figure out how to get it started...finally after cranking and cranking it a little old British lady came out of her house and told he needed to pull the choke. He was confused as he had never in his entire life used a choke except for on a riding lawn mower and such. I used to own a 1985 Chevy Astro Van that had the 4.3L Vortec V6 in it and it was fuel injected and fairly modern yet my '82 Mini has points! Lol! My Dad's old 1947 Dodge Power Wagon had points! So, forgive me if there is things about the Mini's history I don't yet know about. This is precisely why I ask questions....I suppose that being British alot of your guys grew up as children around these cars so you most likely know alot more than me about them and their history. I grew up with Camaros, Jeeps, Silverados, Mustangs, Buicks (my old 1977 Buick Electra 225 had an electric choke on it and an HEI distributor). Early on in life I became a fan of the Chevy V8.....later in life I learned the Ford V8 is just as nice. Dodges are cool too! Can't count out the 426 Hemi!