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Buying a top-shelf torque converter properly matched to your combination by an expert in the field is one of the best investments you can make in a car with an automatic transmission. My most recent purchase of a Circle D torque converter was this past week. The main issue the tech was...

I'm running a stroked 5.9 Magnum with a Precision of New Hampton 3800 stall 3 disc lock-up converter into a Stage 2 Extreme Automatic's 2004R. The lock-up feature can only be activated in 4th gear, and their high quality converter is very efficient. It only drops about 350 rpm between the locked...

If your stroker is neutral balanced, you can use a 5.2 Magnum flexplate.

Nothing crude about that finished adapter. I've only seen the square plate version that wasn't finish-cut like the one you've pictured, and opted for the bolt-on bellhousing route when I looked into doing this years ago.

I don't like the crudeness and size of the Wilcap adapter and used a bolt-on bellhousing instead to fit a 2004R. I did have to modify the torsion bar crossmember, but not the floor pan itself. The 2004R swap is one of the best mod's I've done to my '68 Barracuda, and it's definitely the best...

The Gen 3 Hemi and the small block Mopar use the same bell housing. I just bought a Quick Time bell to adapt a 4L60 to a small block Magnum and several years of the 4L60's come with a bolt on bellhousing. Extreme Automatics adapter ring bolts onto the front pump cover of the 2004R allowing a...

2004R's can be built to handle a lot of power reliably, and could easily handle a moderately built big block. Using a bolt on bellhousing from either Reid or Quick Time to bolt on either a 2004R or 4L60 is only a phone call or a few clicks away.

While the Wilcap engine plate does work, it is is an ugly solution that even when properly trimmed can get in the way of virtually anything passing near the bellhousing. It also moves the transmission farther back in the car slightly by the thickness of the plate. Using a Reid bellhousing does...

Depending on how much power you are planing on putting through the transmission with your 440, you may want to consider a well-built 4L60. I'm putting a supercharged 408 Magnum that should be close to 730 rear wheel horsepower in my '68 A-Body, and am planning on up-sizing my transmission to a...

I meant the 4-bolt, rear engine mount.

I use an Extreme Automatics Stage 2 2004R with a Reid Bellhousing and a 3800 stall Precision of New Hampton custom 3 carbon fiber disc lock-up clutch. It's the best automatic transmission I've ever used. It's relatively light, compact, stout (when properly built) and the gearing is as close to...

Another crucial alignment check that is often overlooked, especially on 4 speed set-ups, is to verify that the mating surface to transmission face is square to the crank centerline. I can't visualize how you would check that on an automatic. My '70 E-Body with RB has a scatter-shield that was...

Dr Diff advised me to bottom it in the transmission and then slide it back out 1 to 1 1/4 inch. Make sure the seal isn't holding it back from bottoming fully. On a side note, verify your engine/transmission center-line angle is in proper orientation to the pinion shaft center-line. They should...

Define "correct"? In my book, it's meaning is refers to the parts that fit best and perform without failure and/or in regards to the shifting mechanism components, and most importantly won't deflect and feel vague when subjected to "spirited" use. I run whichever parts work best in my cars...

I use a Stage 2 200R4 from Extreme Automatics and a Precision of New Hampton 3800 stall, 3 carbon disc clutch lock-up converter. It's the best automatic trans I've ever driven. I have it set up to only lock up the converter in 4th gear and have a single switch to unlock it if needed. I only...

Yah, yah, that's it, good catch.

I just put a 5 inch, aluminum shaft with upsized 1490 U-joints in my 2008 GMC 2500HD. The shop I got it from said they have guys running this same driveshaft in trucks with 2400hp & 1300 ft lbs of torque without issue. Got it here. Aluminum lead sheet I also went with aluminum driveshaft using...

The Stage 2, GM 2004R with from Extreme Automatics with a bolt on Reid Bellhousing is the best transmission I've ever driven. If you run a lock-up converter, it's the closest thing to an automatic 5 speed going. I run a Precision of New Hampton 3800 rpm stall, lock-up converter in mine with 4.30...

That's gutsy running a numbers matching block with those internals. It would be hard for me not to rev that motor to 7K every time I had it out. I keep my numbers matching big block motor in the basement for that very reason. I guess I'm hard on my stuff. As far as the rear wheels go, my 408...

Fuel injection preferably via a Holley system followed by overdrive with a .67 or similar overdrive ratio are the two best upgrades you can do for your car. I drove a buddies car with a gear vendors on a 727, and while it's better than nothing, it's just not enough of an overdrive improvement...

The slightly offset hole matches what mine looked like. I used a round rat tail file to shape it. Make sure that you index the location of the flexplate weights where they should be for that motor.

I used a pair of the largest plate coolers that I could fit. I had to use two smaller coolers due to the close proximity the of the back of the grill. and center support, because one large cooler wouldn't fit. Also, I plumbed in two brass ball valves in the cooler lines so I can bypass the...

The increased parasitic drag on a 727 is low compared to the drag a 500 or 518 overdrive trans adds. To be upfront, I have never dynoed or tracked cars to find the differences, but I read posts from several others that lost nearly a half second when they installed them in their cars.

I run a different OD trans with lock up 3800 rpm stall converter and ended up using a single toggle to lock up the converter, but it will only lock up when in 4th OD. I never felt the need to lock up the converter in the first 3 gears. I did buy a high quality torque converter so it is very...

I didn't know that, but Dr Diff, Trublu (spelling) or someone else on here will probably know.

No, the inner liner is teflon or delrin. It's white or light gray with a steel backing. We test fit it onto my yoke barrel prior to installation and squeezed it closed with our hands to verify it fit correctly. I verified the fit once again after it was installed and lubricated with transmission...

No lube hole, but one just needs to be drilled and deburred to match the one on the bushing you take out. Do you see or feel visible wear on your yoke? An old timer at the transmission parts & shop where I grabbed the bushing said they wear a long time. I sure hope so. He also said GM...

I've suffered from a similar vibration for a long time. Be careful using moly on the splines/inside the yoke. That grease can wash out into your transmission and lead to problems. ATF is a very efficient detergent type liquid. My trans yoke is a new forged unit from Mark Williams. The outside...

My 408 is a 5.9 Magnum based build with Hughes internals. I did end up cutting the torsion bar cross member away from the actual tunnel portion of the floor. Before I cut it, I welded a 1/4" thick 3" wide 2 foot long strip of steel on top of the floor where the cross member is. I really had to...

I use some hardware store Grade 8 bolts and washers I cut down so they would screw into my torque converter as far a possible without bottoming out. If I screw them in to the converter before installing the flex plate, the underside of the bolt head will be just about to touch the pad. The...