460 King Cobra Shifter detent upgrade

Trevthefox

Petty Officer 2nd Class
Joined
Sep 25, 2018
Messages
101
Hey everyone,

Back again with another question about my engine/outdrive combo. Always appreciate the feedback get from you all. I have a '89 460 King cobra and was experiencing some hard shifting issues.

Every time I'd go out the my outdrive would be stuck in neutral and I'd have to work the shift lever back and forth a while until it finally would break in and move freely. I took off the outdrive and couldn't even move the shift rod in the lower unit by hand. I read some where it should only take about 10-12 lbs of force to move that rod up and down by hand. Long story short, the problem was a hardened wiper seal on the shift rod cover. Ordered the parts and I'll replace, and I'm sure everything will be fine, but that's not why I'm here.

OMC upgraded their shifter detent in the early 90's. I figured I'd replace that because people were saying the newer detent is way better and less stress on the shift cable. Only problem is it looks like OMC only upgraded the detent for the smaller 5.7's. Per marineengine.com the 7.5l king cobra shifter detent still uses the original part number where as the 5.7 shows the oem detent part# along with the newer upgraded part #.

Do any of you have any info on whether the 7.5 king cobra has a newer detent? Might be a dumb question, but could I install the upgraded detent from the 5.7 on my 7.5?

Attached are some reference pics to what I'm talking about.
 

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Lou C

Supreme Mariner
Joined
Nov 10, 2002
Messages
12,653
Only way to know is to compare part numbers...as in were the original part numbers the same for the regular Cobra vs the Baby King used on the 460s? And are the numbers for the updated ones the same?
I have heard that the regular dog clutch Cobra lower unit was very similar to the Evinrude and Johnson V6 outboard gear cases but the Baby King used with the 460 was based on the Evinrude V8 outboard lower unit which is quite a bit larger.
 

Trevthefox

Petty Officer 2nd Class
Joined
Sep 25, 2018
Messages
101
Hey Lou,

No, the 2 OEM part numbers were different, which is why I knew it was going to be a dumb question. Wishful thinking on my part. Just wondering why they never upgraded the Baby king detent.
Only way to know is to compare part numbers...as in were the original part numbers the same for the regular Cobra vs the Baby King used on the 460s? And are the numbers for the updated ones the same?
I have heard that the regular dog clutch Cobra lower unit was very similar to the Evinrude and Johnson V6 outboard gear cases but the Baby King used with the 460 was based on the Evinrude V8 outboard lower unit which is quite a bit larger
 

Trevthefox

Petty Officer 2nd Class
Joined
Sep 25, 2018
Messages
101
Because they went out of business
I even checked the evinrude/johnson 300hp outboard lower unit. They kept the same detent as the baby king all way up through '95 or '96.

I'll just replace the wiper and oring and put it all back together
 
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Trevthefox

Petty Officer 2nd Class
Joined
Sep 25, 2018
Messages
101
I don’t know for sure which one mine has but it shifts very easy
The newer detents were machined differently so the detent ball can easily step up out of that notch for neutral. From what I've read, it makes a pretty big difference from those who have made the switch.
 
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