well depending on which one you are refering most can be purchased at an auto parts
305 horsepower
If you look under the hood you will see a sticker with all the vacuum lines on it.
235 horse is stock on 98 305
Yes, you sure can.
Yes.
6 degrees before tdc with distributor vacuum line removed and plugged
it is a 700r4
.035
Should be the 700R4
yes like 350 engine
Yes they interchange
If it has a 305 around 15mpg If it has a 350 13-14