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I somehow wound up with the wrong bolt in the lower corner of my driver's side valve cover, the one closest to the firewall. It seemed like every time I noticed it I didn't have time to deal with it. Yesterday I did an oil and filter change, and I could see evidence of oil "leaking" down the...

I know a number of forum members have dual disc clutch and pressure plate setups. Because of the heat that slipping a clutch hard, at the launch, using a HitMaster launch/clutch controller, McLeod recommended the RXT model, which I have broken in and have no problems with. The material makes it...

I'm hoping that the few people on the forum that have a: Hydramax hydraulic throwout bearing AND/OR McLeod RSX or RTX (what I have) dual disc clutch and pressure plate may offer advice, but I'll take advice from anyone who may be able to help. I didn't install the setup, and while I shouldn't...

I know some have had problems with aftermarket brakes causing firewall flex, and they use a reinforcement plate to resolve the problem. I went from the factory mechanical clutch mechanism to an American Powertrain hydraulic throwout bearing and clutch mechanism, and I have a heavy 2,900 pound...

There is already a plan in place to address this, but I am concerned. Not that it won't work, but I know that this absolutely cannot be how this gets resolved because it involves having machine work done, and there's no way that is occurring on a widespread basis. I'll do my best to describe...

I'm sure that if the 23 spline vs 18 spline input shaft "collar" is a different diameter that would be something they'd ask, RIGHT? Jesus Chrysler! No wonder I have high blood pressure. Way too many people make mistakes way too often for me to believe! They sent the 23 spline parts. UPDATE: THEY...

I've dealt with the magnetic base dial indicator, the arm(s) and coupler(s) and joint(s) that "hold" the pointer positioned on the diameter of the hole in the bellhousing that the transmission mounts through... Even if you have a solid mount, no magnet, you're dealing with .010 total runout?!? I...

I used a magnetic base dial indicator, but I'm really concerned about accuracy, and even with a powerful magnet, there could be movement, and the tolerance is .010. So there's a company that makes a fixture that plugs into the crankshaft hole where the input shaft pilot bushing goes in. The...

I am about to install a HitMaster launch control system in my 440 6bbl 70 Roadrunner. I currently have a 2,950 pound clamping pressure McLeod diaphragm style pressure plate, and the organic clutch disc. 18 spline, 10.5" diameter disc. I spoke with McLeod and they basically said either you put...

This is the brand recommended to me: https://apexdrivetrain.com/shop/hydraulic-clutch-systems/mopar-hydraulic-kit-18-spline/ For now, I mainly cruise and occasionally hit the 1320. The biggest "event" I use my 70 440+6 Roadrunner for is the week of Cruisin the Coast. That week is a lot of...

The research I did was a year ago. When I installed the Passon a855 5 speed I replaced my old flywheel with a billet steel flywheel. That meant I had to determine if the motor had an internally or externally balanced crankshaft. My understanding is that ALL 71 steel crank 440 motors were forged...

I am about to order a rear axle assembly for my wife's 65 421 TriPower GTO. It's a 4 speed standard and the 421 is built out for performance, 4 bolt mains, H-beam rods, high performance roller cam, etc. I guess it is putting out around 400 some odd HP (maybe 450?) and about 450 ft lbs of torque...

I'm still not ready, and I have received a couple of great referrals, so I'm just asking. Richie has been very good about responding to questions and getting back to me. Looking for a stroker RB 6bbl 91-93 octane, TF 240 heads, and likely a 150-200 HP spray plate NO2 system. 600+ torque and...

1st time I mistakenly ordered a 10.5" pp from Summit. I was rushed, my mistake. 2nd time Summit called McLeod and ordered what they recommended, 11" pp. The bolt holes don't line up. Engine is 71 440 heavy rods billet steel flywheel 130 tooth. Trans is a Passon Performance a855 5-speed, but it...

I just had my a833 18 spline swapped out and the Passon 855 installed. I want to share some impressions here and add to this as time and experience go on. My car is a 70 V-Code Track Pak (3.54 Dana 60) Roadrunner. 71 440 aluminum 6 bbl intake and Holley carbs, FBO ignition, Mopar Purple Stripe...

The answer to this doesn't seem to be as straightforward as I would think. I have a V-Code, TrackPak, 440 6bbl, 18 spline 4 speed, Dana 60 equipped 70 Roadrunner. I realize that TrackPak = Dana 60, but I am providing as much info as possible. What size is the "cross" on the front and rear...

In no way am I suggesting that Hughes "deep port matching" work on a 6 bbl intake is anything but legitimate, quite the contrary- I believe that it is one of a few engine builders that offer a specialized "tweak" of the 6 bbl intake to maximize power in a 440/stroker/built motor. The reason why...

I will be sending my 18 spline a833 back to have this problem resolved unless someone can suggest a fix for this problem. Not every time, but often enough 2nd gear pops out. Seems to happen under "low stress" conditions. Never has happened when wfo on the throttle, tried "on-and-off" the gas...

Last show I was in was Mopars at the Battleship. I decided to install TTi ceramic coated polished 1 7/8th primary tube headers and the mini-saga began...found my 18 spline a833 was leaking from the front seal, so I sent it to Passon performance for a complete overhaul and to have the slick shift...

I am giving strong consideration to: A Hurst Competition Plus shifter Comp Plus install kit (linkage, etc.) The steel bushings Pit Pack The 14 1/2" long Pistol Grip all in an effort to give me the best possible shifting capability with the 833 tranny. My 70 Roadrunner has the bench seat no...