Rope seals were used up until 1969. Therefore all 289 HiPo engines should have rear (#5) mains with a pin to stablize the rope seal. With the split-lip seal of 1969 and later, the pin had to be removed. Anyone making a rear main after 1968 would not need to machine for the pin hole. This seems to lead me to believe that these caps we are looking at without pin holes are post-289 HiPo caps. Is it possible someone down in Mexico was making these after 1968 based on the 289 HiPo?
Posts by bobmannel
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I have used Rustoleum Satin Black #7777 with good results. Enamels bake on the engine. I think I am repeating others, but cleanliness of the metal before painting is very important. Misting the engine first, then follow with the first coat. Let dry for 48 hours, then apply second coat. Let dry for 48 hours. I have had good results doing this. But, if you drive the car a lot (I did with daily drivers in the 1970s-90s), the paint will eventually come off in a few years. It can only take so much. But, for a K-code seeing limited driving, it will last a long time.
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G3 is July 3. The question is, what year? If July 3, 1967, then it could be an early introduction of a 1968 production casting. This was not unusual for end of production year changeovers. It happened with engine parts. You did not mention the extension housing date code, or if it appear that the tag and holding rivet appeared unmolested. Also, giving the tag numerical number might help put it in sequence if others have numbers with confirmed dates to compare.
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There is no Torino Fairlane. 1970 was the last year the Fairlane name was used. In fact, later in the year, the 2-door post came out and was called a Falcon. This was not the little Falcon of 1966-70. This was the intermediate unibody chassis and could (and did) have a 429SCJ in it. The models started at the base with Falcon, then Fairlane 500, then Torino. The Torino could be a Torino, Torino Brougham, Torino GT, or Torino Cobra. There was also a Falcon wagon, Fairlane wagon, Torino wagon, and Torino Squire wagon -- all on the same chassis.
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I talked to Cindy at California Pony Cars about this kit. She said it is a servo kit. It includes the cover, piston and gaskets. I specifically asked if it included and changes to the control valve and governor, and she said no. So, it might look like a HiPo C4 on the outside with the kit, but the important HiPo C4 changes on the inside will not be there.
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Here are your caps, Karl:
[Blocked Image: http://www.fordsmallblock.com/Pictures/Karls-HiPo-main-caps.jpg]
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Got a phone number of who you talked to?
For the correct parts to convert a standard C4 into a HiPo you need:
The C servo, piston and seals,
Lighter secondary governor valve,
Weaker throttle pressure booster valve spring,
Weaker intermediate servo accimulator valve spring, and
Separator plate with two holes enlarged.
I would be interested to see if they have all this in their kit. Other shift kits I have examined take a different approach to changing the C4 shifting characteristics.
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Here is a picture of a standard 1963 small block (left) and 1963 289 HiPo (right):
[Blocked Image: http://www.fordsmallblock.com/Pictures/HiPo-caps-1.jpg]
Here is a picture of the 1968 Mexican 302 (left) and a later 289 HiPo (right):
[Blocked Image: http://www.fordsmallblock.com/Pictures/HiPo-caps-2.jpg]
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Here are pictures of the ones Chuck was referring to:
[Blocked Image: http://www.fordsmallblock.com/Pictures/C3OE-6329-A-1.jpg]
[Blocked Image: http://www.fordsmallblock.com/Pictures/C3OE-6329-A-2.jpg]
I have never seen anything like it.
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The C2OE-B is a standard 289 marking. Do you have a picture?
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Someone is pulling some's leg. The C3OE-6329-A cap is a HiPo crankshaft front main bearing cap -- but is marked with an arrow and a number 1. The rear cap is marked C3OE-A. The standard 289 rear cap cap is marked C2OE-B.
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One of the things that was done by Shelby was to remove the three front half-inch freeze plugs for the oil galleries and thread them for screw-in plugs. This was for reliability purposes.
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Kevin indicated that the database recorded if a vehicle was equipped with a Thermactor system.
I agree that the number seems small, but consider that only 489 HiPos were made in 1967. Spread that out over all the states and production year and the density is pretty light. Now, think of yourself buying a 289 HiPo with smog. Might you go elsewhere to buy your car, like Nevada, Arizona, or Oregon? I would.
Today you have a rare car indeed. I have a feeling that in 1967 you would have been less happy with its uniqueness -- unless you were a enviro-friendly hippie!

If you email your pictures to me at bobmannel@charter.net, I will post them for you. I would like to see pictures of the thermactor air filter and hose connections, if still present. Much of the 289 HiPo smog was like the non-HiPo 289s, but the air filter was unique because of the open-style air cleaner did not have provisions for the bypass connection, so Ford ran the hose up to the thermactor air filter -- at least according to the assembly manuals.
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Neither do I. Any 19, 20, or 21 head I have ever seen was a HiPo. And I have not found a HiPo with a number other than 19, 20, or 21.
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I asked Kevin Marti about two years ago how many 289 HiPos came with thermactors. I don't think he would mind me telling this group. The number is 14.
Just because there are C7ZE heads or that the heads are machined for air injection might not be sufficient proof of being one of these cars. The injection ports could be plugged like Ford did with the C8ZE head. Look for evidence that there actually was a thermactor installed. Check for pulleys (should be a 2-groove crank pulley and three grove water pump pulley), or brackets that might have been left behind.
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The 1965 289 HiPo had a part number of C5OZ-6010-A, which was superseded by C5OZ-6010-B, then C5OZ-6010-C before becoming obsolete.
The standard 289 2V/4V had a part number of C5AZ-6010-C, which was superseded by C5AZ-6010-E.
The casting number on all 1965 289s (HiPo or non-HiPo) was C5AE-6015E.
The part numbers for the crankshaft were C30Z-6303-B for the HiPo and C3AZ-6303-F for the standard 289 2V/4V. Both cranks were marked 1M.
All 289 HiPo cranks have a polished section on the rear counterweight. According to Ford sources in the plant at the time, 100% of the 289 HiPo cranks were inspected. The inspector had photographs of what the grain size should look like. He compared the 289 HiPo rear counterweight polished area under a microscope with the photos. If the grain patterns met the criteria of the photos, the crank passed the inspection. Otherwise, it was recycled. What exactly was the criteria, I don't know, but, I would guess that there was at least a normal (what to expect) and a minimum (reject) grain size pattern. Maybe I will learn more in time.
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Recently a HEH-T sold on ebay with the following details:
Serial number 5F09K705784. Date code for this car would be about 26R, or April 26, 1965. Trans tag number was HEH-T 015678. Casting casting number was C30 (March 30, 1965) and extension housing is C22 (March 22, 1965)
Here are the pixs from ebay:
[Blocked Image: http://www.fordsmallblock.com/Pictures/HEH-T-1.jpg]
[Blocked Image: http://www.fordsmallblock.com/Pictures/HEH-T-2.jpg]
[Blocked Image: http://www.fordsmallblock.com/Pictures/HEH-T-3.jpg]
[Blocked Image: http://www.fordsmallblock.com/Pictures/HEH-T-4.jpg]
[Blocked Image: http://www.fordsmallblock.com/Pictures/HEH-T-5.jpg]
Good documentation here to investigate the HEH-T to HEH-BX transition.
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This might help. Note arrows are in different places.
[Blocked Image: http://www.fordsmallblock.com/Pictures/Mexican-HiPo-Caps.jpg]
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Actually, the curved ones have been around since the 289 HiPo was introduced. Our 1963-64 Fairlane HiPos have the curved decal. The straight ones seemed to show up for 1965 production. When the 289 decals were put on the top, the Autolite decal was moved to the side and was straight.
I don't have much information on what was happening to the Mustang air cleaners. Both decals were in the supply system at the time. However, many more straight ones for the standard 289 would have been circulating. Could be whatever was handy was used, but the curved ones are more aesthetically pleasing and probably why they came to be more in favor. But, it appears that both were used.
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Yes, the fans were made by Schwitzer Corp and carry the SC marking. The fans were painted black. Aluminum never held the paint very well, so most fans will be missing most of it after 40+ years.