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Not seeing your photos

Are you sure? I was almost 100% sure the 741 did also. Course yall all know how my memory is.

Maybe so without porting. Would take more than a "simple" port match. Getting that deep into it, I would have the gasket grooves welded up, then start the porting process.

Leafs for the win .

Wow. That seems rather low. I've seen some specs show 800 foot pounds at the axle. That was like form some of the Moroso Brute Strength (clutch type) units. So 100-120 seems low and certainly 25. Does Dr Diff specify whether he tests at the axle or pinion? Regardless, I would certainly respect...

675- 700 HP

Nice truck except for it has to be the ugly grilled version.

I can do it both ways at the pinion and axle. I tried it both ways on this old cone style sure grip. It was 25-foot pounds when I tested it both ways. Google said 100-120 foot pounds but it did not say cone versus clutch. Dr Diff website says he tests them to make sure they are 100-120 before he...

I’m gather parts for a 499ci mild build , I have the block and 4.015” eagle crank, eddy rpm intake, and headman headers. I’ll Probably use the 440 source rods and pistons. Not sure on cam and heads. I would like to find some aluminum heads and probably do a roller cam if I can.

To my knowledge, the only "accurate" way to measure that would be to measure it at the pinion. Measuring at the axle is "going backwards" from how the sure grips are designed. Since they are torque sensing (clutch type more than cone type) they "ramp up" when torque is applied. So measuring at...

I may have what you need. Let me check my stash.

625hp 675tq 5100rpm

I am 4.10 Bore.

To the OP Did the harness have the M&H tag on it? I just completed engine and dash with an M&H harness and with the exception of the convertible courtesy light, everything connected and lined up correctly. You're past that point I'd say, but having the wiring diagram and labeling everything...

Built a budget stock type 360 magnum rebuild a few years ago, but with a carb and air gap intake. Used that old "RT" cam, and the engine ran, and sounded dead stock. I thought it sucked personally, much better choices. I used it cause it sat on my shelf for probably 20 years.

Yes....simply changing for the gear ratio. Looking to go from 4.56 to 4.10

Keep in mind though, that dot to dot IS 180 out. TDC for #1 is crank dot pointing at the cam sprocket and cam dot 180 degrees away from "lined up" with the crank sprocket. Dot to dot is on TDC for #6. It's shown dot to dot in all the manuals for ease of aligning. But when you go to install the...

Got mine on eBay recently for just over $300 from them

I built a tester to measure the breakaway torque for 8 3/4 rear end center sections. A buddy gave me the old axles out of a C body. I cannot find the exact breakaway torque I thought I had it written down somewhere. Any rear end guru's have the exact breakaway torque spec on clutch and cone...

Looking for an original front direct connection tag

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What would you trade for a ride in my mopar?

Family run, mopars only, - can custom make as nec, Parts, plugs, info, etc Good luck http://www.evanswiring.com/

Cool. Picked one up at Wallyworld 3 weeks before Christmas.

Looking for a vintage set of fender well headers for 1969 dart small block

Do you mean the timing mark 180 degrees off?

Okay. I'm going with crank key pointing straight up and the #1 cylinder at TDC and leaving the marks lined up like in the second picture. On to degreeing the camshaft. Thanks again for the help....and stand by. I'm sure I'll be back!

That's just what I remember being talked about when this came was a current production part. I'm looking possibly using it in a magnum engine with a Hughes cam extender and mechanical fuel pump eccentric. How would this cam be in a 3/4 ton truck that tows? Is there any way to verify what it's...

Can the crank sprocket be reversed?

Only the 489 uses a crush sleeve.