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For over 23 years, I've been a slave to the high cost of Premium fuel when I buy gas for this car... The first 440 was built and swapped in the summer of 2001. It was iron headed and around 9.2 to 1. I ran Premium 92 then... When the octane dropped to 91, I don't know if I noticed a...

Sometimes, I've found that Engine Masters has already dyno tested a part that I was wondering about. They've done hydraulic roller cams VS flat tappets, headers with a variety of different mufflers, all sorts of cool stuff. I don't recall seeing them do a back to back test of the popular Trick...

This is a topic that I never thought of. Oil drainback. Look at the picture of the deck of an LA series: Here is a 440 block. All I can see in both blocks are coolant holes and head bolt holes. Does all the oil that makes it to the rocker gear drain back through the lifter valley? I see...

Is there any advantage to running rocker shafts with oiling holes on the top and bottom? I have roller rocker arms in my 440/495. If I used rocker shafts like you see above, the top segment of the rocker arm would receive direct oiling. Right now, I have replacement shafts with the holes...

Cam plug depth. Yeah, not a real exciting topic but I'm curious. Here is the depth I had in my 440/493, as noted when I pulled it in 2022 to rebuild. You can see, the edge of the plug is near the edge of the hole in the block. When I knocked in the new plug after getting the engine back...

Hello, I am slowly coming around to making the switch to a roller cam for my 440/495. I thought in my travels here and there that these require a special timing set where the cam sprocket has a Torrington bearing. Is that true?

I'm contemplating a switch to a roller cam in my car and I've wondered about the springs. How does one determine if a valve spring is still good and what the rate of it is? A Google search turned up this...

Here we go.... Years ago I had a 318 in a Duster that was a S-L-U-G ! I tried all sorts of things to improve it but it was still slow. I pulled the timing cover to find that the cam sprocket and crank sprocket did not line up at the 6:00 firing position. With the crank at 12:00, the cam...

I have a few spare axle shafts on my rack in the shop... The only reason that I saved most of them is because they have the right side adjusters on them. Only 4 of the 17 shafts are the 68-70 B body length so I'd like to see about removing the bearings and flanges of the other ones here using...

I have a 67 Dart with a 360 and a 904. That 904 was in my red Charger when I bought the car in 2000. The 904 currently won't upshift to 3rd but is otherwise just fine. It goes into gear fine, reverse works as always too. I've had Chrysler automatics that lost 3rd and reverse at the same time...

I recently took in a load of parts including a couple of 383 engines and a 440 crankshaft that was supposedly cut down to fit a 383 block. I'm not 100% clear on how this works. Are the main journal sizes different between the B and the RB series engines? The longer stroke 440 crank is obviously...

Most of us have heard of how engines with flat tappet camshafts have had increased failures in the past 15-20 years. There are a bunch of opinions on what is to blame but so far, I have seen no 100% smoking gun on the exact cause. The potential causes are numerous. Reduced zinc in oil. Camshafts...

A gracious and kind FBBO member posted a thread a short time ago, he had some Mopar stuff left over from when he had a 69 Road Runner. He was looking to send his stuff to a good home and I was glad to take it. Chris had 2 383 engines and a collection of car parts to clear out so @CoronetDarter...

The topic of bell housing runout has gained a lot of attention the last few years with the rise in popularity of the aftermarket overdrive manual transmission kits. Years ago, I never heard of it, never heard of anyone even talking of it. I’d hear guys talk of clutch chatter, the transmission...

I had the engine out last year at this time.... I went through it.....new dished pistons to lower compression a bit, refresh the heads, some suspension and steering mods since it all was apart. I pondered a switch to a roller cam at the time but kiboshed it. Cost was one factor. Another...

I rebuilt the 440-493 and installed a rear main from my stash of parts. It fit so I stupidly assumed that it was correct. I just started it and have a leak. Fine droplets are flinging off the back of the engine and it looks like it is coming from the crank, not the side seals of the retainer...

I lost mine. Looking through my stash, I found a bolt with a captive washer but the washer is a smaller diameter than the original. The stock washer covers most of the dowel pin. How important is it to cover the camshaft dowel? I'm having trouble finding a new bolt and washer. ARP seems to...

Maybe I never noticed and have been lucky all these years. I just installed new disc rotors in the rear axle and noticed how short the wheel studs are. These are the stock 1/2" style studs....I'm guessing 20 threads per inch? I'm showing maybe 7/8" of stud sticking past the rotor face. I'm...

I love the reduced weight of aluminum engine parts but the porous finish seems to always end up discolored after real world street use of the car. For my water pump housing, I sprayed it with header paint then clearcoated it with some matte clear. To me, it looks fantastic and will be far more...

I'm getting ready to start reassembly of the 440/495 for the Charger. The machinist should be done soon so with this free time, I'm gathering parts. Oil pump drives...... The one on the far left was the one I pulled from the engine. Where it rides on the bronze bushing, it was scored a bit...