Early hipo 5 bolt

topdownK_old · March 3, 2009 at 5:15 PM

Did they have a 5 bolt hipo 289 motor in 1964 for the early Fairlanes? Or were a hipo motors (even the early ones) 6 bolt?

65Rangoon_old · March 3, 2009 at 6:16 PM

Before the change over which IIRC was Sep 64, all 289's were 5 bolt blocks.

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topdownK_old · March 3, 2009 at 11:17 PM

I know before then all 289's were 5 bolt but were any of the 1964 Fairlane hipo's 5 bolt

GT Joe_old · March 3, 2009 at 11:23 PM

All HiPo blocks made prior to Sept of 1964 were 5 bolt blocks. These were blocks used in production cars..Fairlane, Mustang and Cobra. This is clarified in BoB Mannel's Book

fluusfabs_old · March 17, 2009 at 8:39 PM

The early Fairlanes were 5 bolt , my 64 Fairlane S.C. K code was built on Oct.7 1963 and it is a 5 bolt.

RPM_old · March 18, 2009 at 7:57 AM

What is your sequence number on the block pad as Bob is building data?

bobmannel · March 18, 2009 at 11:04 AM

The September 64 date is wrong. All 1963-64 Fairlanes were 5-bolt -- without exception. All the 1965 Fairlanes HiPos were 6-bolt -- without exception. Mustangs are a bit more difficult because they ran over the 1964-65 production change. If you have a 64½ Mustang (they began in June 1964 and ran through July), you have a 5-bolt HiPo and a generator. If you have an August 64 or later HiPo, it's a 6-bolt with an alternator. I verified one Mustang that had a scheduled build date of August 10, 1964 and a 289 HiPo assembled on August 4, 1964. It was a 6-bolt 289 with alternator. The transition between generator and alternator was July 31 for the last generator and August 3 for the first alternator. In between (August 1 and 2) was a weekend.

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