Originally Posted By Moparpete
i found this number 3673998 on the radiator in the car and it comes up for a 400 but auto. i also was unable to find a number that is a 4 speed only radiator? any insight? as mentioned in other posts this is a one owner car w/ 46k miles and the owner has changed nothing on this car.


My white book shows 3673998 as 28" auto also but then it shows a 3673098 for 400/440 28" both transmissions.

Could you have misread the 3998 and it's 3098?
Ron