Quote:
Originally Posted by KULTULZ
It is difficult for the untrained eye to differentiate between engines of this period as there is and was so much interchangeability.
You do some nice work. Are you a past tech or just advanced hobbyist?
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Regretting taking this thread a little farther off track, but you asked...
Yes they can be hard to tell apart. But Ford was making changes each year, if you know what to look for. When I was first trying to figure out what's what in engine parts this was my go-to website/link...
http://www.ford-y-block.com/technical.htm
Here's another helpful one...
http://www.y-block.info/main.html
The block & heads that were in the car (photos 1 & 2) gave the initial impression of being correct for the year '55 (freeze/core plugs in the ends of the heads) even tho the intake manifold and distributor were both '57 versions, a common upgrade.
But the EBY ('54 Merc 256) casting number on the block and heads was a dead giveaway (photos #3 & 4) along with 272/312 spark plugs not fitting in the heads.
Thanks for the compliment but it's been a trial and error (and error & error) process since this is my first pre 70's Ford, and my first project car in about 30 years.
This retirement project of mine has been dragging on a bit too long due to some large honey-do's around here and medical problems with other family members, but it's almost done, at least under the hood.
In a valiant attempt to re-rail this 'carburetor' thread
the carb in the 2nd photo was an Autolite for a '63 T-Bird 390ci, and the Holley in the last 2 photos is an (ECZ) List# 1273, oem for a '57 312.