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Old 08/21/2005, 10:05 AM   #1
Mustanglvr
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289 engine

I`ve been told that my GT/CS may have an older 289 engine. It originally came with a 200 inline 6. Is there a difference between the earlier 289`s and the ones that came out in 68? I`m aware that some had 302 heads. But thats not the case here. Rhonda
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Old 08/21/2005, 02:23 PM   #2
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Re:289 engine

Its me again. I got the numbers from the passenger side on the front of the block on my 289 and for the first and last numbers there are 2 numbers, one on top of the other. The numbers are 2/1 0 6 9 2/7. Are they supposed to be that way or am I looking at the wrong numbers? Rhonda
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Old 08/21/2005, 02:28 PM   #3
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Re:289 engine

I have to stop logging on when I'm at work and can't look anything up. Anyway, if I recall, early blocks had 5 bolt bellhousings and later ones were 6 but I don't recall when the change was made. The number you want to look for is above your starter and will be something like C8OE-???? or C4OE-???? or something similar. Find that number and when I get home, I'll look it up and tell you the application.
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Old 08/21/2005, 03:22 PM   #4
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Re:289 engine

Ok, here goes. 0 C5AE-6015E Thanks for help Steve.
:)Rhonda


Oh yeah, it has 5L2 on the top of those numbers.
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Old 08/21/2005, 04:02 PM   #5
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Re:289 engine

Rhonda,

One difference between the 68 and the earlier 289s is that the 68 had 5 less horsepower. In 68, the 289 / 2v was rated at 195 hp, while the 65 - 67, 289 / 2v, were rated at 200. The straight six was also rated with 5 less, 115 hp vs. 120 hp for the same years.

Mike
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Old 08/21/2005, 11:34 PM   #6
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Re:289 engine

Well I'm afraid I going to be very little help. My Ford Master Parts List says the 6015 number can't be used to identify the specific use. However, the change from "early" to "late", was sometime in 1965. Prior to that, the blocks used 5 bolts for the bellhousing, didn't have the dipstick in the timing chain cover and had C4OE or AE numbers. After that, they were 6 bolt, dipstick in the cover and were C5XX or later, so it sounds like yours is the later one.
Steve
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Old 08/22/2005, 07:31 AM   #7
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Re:289 engine

Look for the block casting # stamped on top of the block, jsut to the rear of the intake manifold. This area collects alot of dirt and grease so you might have to search a little. My block # at this location reads as follows: 8H53415 The 8 indicating a 68 year block. Hope that helps you.
Steve
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Old 08/22/2005, 07:50 AM   #8
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Re:289 engine

Just to clarify the other Steve's answer, the number on the top rear is the VIN that you would look for to see if the engine is "numbers matching". The first number does indeed signify the year, the second the assembly plant (in his case, H means Lorain, Ohio) and there will be 6 numbers after that, that would match the last 6 of your VIN on the dash or door, if the engine was original. I'd overlooked using the VIN to tell the engine year, but that would work.
Steve
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Old 08/23/2005, 01:25 PM   #9
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Re:289 engine

From what I`ve found on the internet the 5L2 means 1965-November-2nd. O-C5AE-6015E is the typical number for a 289 whether it is a 2V,4V or a HiPo engine. I guess I`ll have to take it apart to find out if its a HiPo. Nobody seems to know what the first O is for. Does anybody here know? Thanks for the info guys.
Rhonda
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Old 08/23/2005, 02:30 PM   #10
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Re:289 engine

Rhonda:
Don't tear it apart! HI-PO 289 engines had Hi-Po exhaust manifolds. That would be the ez identifier. :)

Steve
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Old 08/23/2005, 04:05 PM   #11
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Re:289 engine

Ok Perkchiro, but the 1970 351 W exhaust manifolds look almost exactly alike. Anybody got a pic of the HiPo manifolds?

Rhonda
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Old 08/23/2005, 05:01 PM   #12
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Re:289 engine

Does your engine have a steel intake or aluminum? 2 bbl or 4.
aLL hI-PO'S HAD THE 4BBL, dual point distributor, and a larger diameter alternator pulley.

What model carb does it have? I'm showing a 289 Hi-Po carb id of DOPF-V part number C40Z-9510-G? Just throwing out ideas.
hI-PO FUEL PUMP # C5OZ-9350-A
k-code exhaust manifolds right hand c5zz-9430-b, lrft hand c30z-9431-b
water pump c50z-8501-a

Unless you are planning on rebuilding your engine anyway, I would not tear it apart just to find out. It really boils down to just how bad do you want to know. I don't know if any of these numbers will work for you but it's a far cry from tearing your motor apart.
Good Luck
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Old 09/24/2005, 07:42 PM   #13
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Re:289 engine

[quote author=nfrntau link=board=1;threadid=2057;start=0#msg13815 date=1124841669]
Does your engine have a steel intake or aluminum? 2 bbl or 4.
aLL hI-PO'S HAD THE 4BBL, dual point distributor, and a larger diameter alternator pulley.

What model carb does it have? I'm showing a 289 Hi-Po carb id of DOPF-V part number C40Z-9510-G? Just throwing out ideas.
hI-PO FUEL PUMP # C5OZ-9350-A
k-code exhaust manifolds right hand c5zz-9430-b, lrft hand c30z-9431-b
water pump c50z-8501-a

Unless you are planning on rebuilding your engine anyway, I would not tear it apart just to find out. It really boils down to just how bad do you want to know. I don't know if any of these numbers will work for you but it's a far cry from tearing your motor apart.
Good Luck
[/quote]
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Old 09/25/2005, 12:20 AM   #14
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Re:289 engine

I have deducted it is not a hipo engine, but it is an older one(1965). It has all Edelbrock carb, intake etc. It has single points. The exhaust manifold does`nt look like the ones for the hipo. I am happy with it anyway. Thanks for all the help gentlemen, Rhonda
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Old 09/25/2005, 07:52 PM   #15
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Re:289 engine

Rhonda,
here is the block number off my 289, as those above have discussed there was no Hi-po in 68, they stopped in 67.

Doug
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