No problem pulling trannys.A four speed will be a lot heavier than a three speed.I use an old input shaft from a transmission as my pilot tool.It helps to have the floor cover pan out of the way.If it is a four speed,you might want to remove the shifter handle before dropping out.
If you need to replace the pilot bushing.
1.use a grease gun and fill the pilot bushing with grease.
2.use a dowel rod that fits just right into the pilot bushing.
3.insert the dowel and smack with a hammer.The grease will force the pilot bushing out.
It's really not hard to do.I did my first one when i was 15 years old.A shop manual will be very valuable to you.
Good luck !!!
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"If I say a mouse can pull a house, hitch him up"