King Cobra Clutch and 289 flywheel

Rmoore45 · Jul 7, 2011

I recently bought this Flywheel and this clutch I received them yesterday. When I when to mock the pressure plate on the flywheel (not on car, just on table) I could not get the pressure plate bolt holes to line up with the holes in the flywheel. I tried turning it, but it seems like the pressure plate is too big. The flywheel description says "for use with a 10" & 10-1/2" clutches" but for some reason its just not working. Are there any tips or tricks to make it work?

Realmongo · Jul 7, 2011

The King Cobra clutch (I put one in my car) is made to attach to the stock 5.0 fox body flywheel with the 50-Oz balance weight that was used with the EFI engines. It must be used with the proper dowel pins for that flywheel.

horseballz · Jul 7, 2011

You need this flywheel:
http://www.mustangsunlimited.com/itemdy00.asp?T1=M6375A302+01
You can likely find a better price. I know a Ford Racing unit with 50 oz balance was just over $100. You will like the clutch, good grip with a light pedal feel.
HTH,
Gene

Rmoore45 · Jul 7, 2011

I'm thinking about keeping my clutch and swapping flywheels, but before I do I would like to make sure what I'm doing is right. All I have to do is use this flywheel and this bolt set and the clutch will work?

Realmongo · Jul 7, 2011

Not if you have a 289. The 289 and early 302 are balanced for a 28-Oz weight.
I have a 1988 5.0 engine, that is why I can use it.

Rmoore45 · Jul 7, 2011

Realmongo said:
Not if you have a 289. The 289 and early 302 are balanced for a 28-Oz weight.
I have a 1988 5.0 engine, that is why I can use it.

The flywheel description says

157 Tooth Flywheel, 28.2 in/oz. Balance for 1965-1981 289/302/351W/351C Engine.

Not 50-Oz.

The stock flywheel is 28.2 Oz and this billet steel flywheel 28.2 Oz, the difference is the bolt pattern is for the newer style of clutch. I believe that it will work, but I would like to see some other peoples opinions. I sent and email to MU asking this question, hopefully they will provide and answer.

horseballz · Jul 7, 2011

What transmission do you have? T5? I don't think the spline is right for a top loader or 3-speed. Note that it says for 86-01 Mustang. They all had T5 or 6-speed. I guess I originally assumed a T5 or such.
Gene

65ShelbyClone · Jul 7, 2011

I'm pretty sure a regular Toploader has the same 10-spline input shaft style that the T5 does. Tremec 3550s and TKOs have a 23-spline or thereabouts.

Rmoore45 · Jul 7, 2011

Oh, sorry. Yeah T-5 conversion.

Found a cheaper flywheel that I think will work http://www.mustangsunlimited.com/itemdy00.asp?T1=248ST+01

horseballz · Jul 7, 2011

I think this flywheel is drilled for all clutch options:

Pioneer/Flywheel - Manual Transmission (FW-163) | 1968 Ford Mustang 8 Cylinders C 4.7L 2BL OHV | AutoZone.com

Being autozone, it may be in stock and you can go look at/ compare it.

Gene

Realmongo · Jul 8, 2011

If it is drilled right, that could be the ticket!

Rmoore45 · Jul 8, 2011

Thanks for looking that up Gene, I'll go to my local autozone and see if they have it or they can order it.

Rmoore45 · Jul 8, 2011

Autozone was no luck it had to be a prepaid order, I tried O'Reillys, they didn't have it either.

Mustangs unlimited replied

Yes that clutch will work on this flywheel.

I'm going to go ahead and return the flywheel, order the cheaper one, this way I know it will work and on the up side I'm getting a billet steel flywheel

Better to upgrade than to replace.

jcode68 · Jul 8, 2011

Why not order the matching Ford Racing flywheel? This is what I am running with my KC clutch:

Ford Racing M-6375-A302B - Ford Racing Flywheels - Overview - SummitRacing.com

I first went the cheaper route and bought a billet steel flywheel off eBay for $100 thinking I was smart for saving money, but the damn thing was out of balance and I had a bad drivetrain vibration. So ended up doing e job twice, which pissed me off, but the FR unit was a nice piece and works perfectly. The one you ordered will probably be just fine too, but just thought I would throw this out there. Good luck with your swap, you will love the T5 upgrade

King Cobra Clutch and 289 flywheel

Rmoore45

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King Cobra Clutch and 289 flywheel

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