ARE THERE ANY NOTICABLE DIFFERENCES BETWEEN THE 302 AND 289 THAT I CAN TELL JUST BY LOOKING ALSO WHAT YEAR AND MODEL WAS THE 289 ORIGINALY PRODUCED?

 

if i remeber right the 302 had the big plugs, and 289's where first put in a mustant in LATE 1964 so a 1965 serial number

 

watch early 289s as they are five bolt bells. 65 up are six bolt. There is no way to tell looking at an windsor small block if it is a 302 or a 289. 351 windsors have a taller deck and are readily identified.

The only way to tell is the stroke. of which i don't have handy.

Garbz

 

289's use the same spark plugs as 221/260's and 302's: Auto-Lite/Motorcraft BF-42 or BRF-42 or BTF-42.

These same spark plugs were also used in 351C/351W/352/360/390/400/410/428/429/460.

289: 1963/68 Fairlane & 1968 Torino / 1963/68 Galaxie/LTD / 1963 Meteor / 1965/68 Mustang & 1967/68 Cougar / 1965/68 Falcon / 1964/68 Comet / 1968 Montego / 1966/68 Bronco.

No 289's in F Series Trucks!

The 289 was available in every 1965 Mustang, as was the 289 HiPo.

The 260 was also available in 1965 Mustang's, but not available after 8/22/1964.

5 bellhousing mounting holes: 1962/63 221 // 1962/64 260 & 1965 Mustang before 8/23/1964 // 289: 1963/64 & 1965 Mustang before 8/23/1964.

C5AZ8501K .. ALUMINUM Waterpump was used on 221/260/289's with 5 bellhousing mounting holes. The timing cover is also different on these early engines.

The 6 bellhousing mounting hole 289's use a cast iron waterpump.

289's from 8/23/1964 have 6 bellhousing mounting holes.
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No 302's (in F100's) until 1969.

Stroke: 221/260/289 = 2.87" / 302 = 3.00" / 351W = 3.50"

The 351W was introduced in 1969, but was not installed in F150/350's and Bronco's until 1981. Econoline's got it in 1975. No F100 ever came with a 351W.