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Your “friend” isn’t one you should listen to. He clearly is uninformed. That is one huge problem with this hobby. There are some well intentioned people that are actually idiots. They repeat things that they heard without having any direct Experience in the situation. This helps no one. There...

I argued this numerous times against some dorks at another forum....they claimed because their parts books for 1976 didn't show front drum brakes on the A bodies that they never existed. I've owned them. I drove them yet these brainiacs thought they were the authority on the matter.

It is either rapid bleed off of the oil pressure or the greater risk of failure. It may have already been mentioned but… Who has seen the new iron rockers from 440 Source? I heard they are patterned after the Max Wedge design. They will certainly be Chinese made but they may be more durable...

These are the 1.5 Mancini rockers. The 1.6 ratio were just plain aluminum.

The rocker arms ride directly on hardened shafts. No needle bearings. The arms have no sleeves or bushings in them either.

I've read that iron and steel are the best way to go for street use, at least due to durability. In 2013, Mancini racing had these aluminum rockers that were supposedly made by Harland Sharp even though HS put no identifying marks on them. I don't drag race but I do put street miles on...

I run it long enough to where it can idle without stalling, then drive it easy until it is up to temperature. I don't have a choke so it is all foot and feather until it runs steady. These flat tappet cams need varying rpms for proper oiling. No flat tappet engine will like long idling periods...

The "Thin wall" claim has been in many published releases from Ma Mopar. I don't know if it was printed in any factory service manual but in Mopar approved rebuild manuals, it has been printed there. Mopar Muscle and Mopar Action magazine writers both have done stories where they sonic checked...

This is bullshit.... Thin wall castings? False. The later blocks have been found to be as thick or thicker than earlier blocks. The later blocks did have less nickel in them and were a little softer but they were still fine. Larry Shephard may have put out some good information but the "thin...

You must not be familiar with conversations people have or forum topics because they often deviate from the original subject. It is not unusual. I'll admit, I would be pissed if I had a NEW magazine with a price listed in an ad that a store wouldn't honor. 440 source is NOT a huge vendor. Their...

If you have an old ad in an old magazine, it must have slipped by you that the company has been dealing with the same bullshit inflation that everyone has had to deal with but YOU want them to honor an old price despite the possibility that they would lose money on the deal. CLEARLY, you have...

It completely depends on how much material is machined off. I measured several sets of BB heads and found they were as much as 90 ccs and as little as 86 ccs. The 86 cc heads had been rebuilt at least twice.

See, THIS sort of topic HELPS people. Thanks, Pittsburgh dude!

This was something that I considered when I had the 440-493 out for a refresh last year. I don't recall all the specifics because once the prices started to add up, I got distracted. Why not run solid lifters on the solid cam? Are solid lifter camshafts more expensive than hydraulic roller cams?

My 440-493 and later 495 ran fine with the oil clearance on the tight end.... .0015.

With a little digging, I found out the following..... The rear seal surface on the 440 is approximately 2.81 as shown on these Chinese digital calipers...... A 318 crank I had was smaller..... Here was a weird discovery....the final one was a 360. Whuuut? My situation could be...

I understand that the slant six models use the same rear main seal as a big block but what about the LA series? 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...

What some people may not know is that Comp Cams has a little more than HALF of the Mopar camshaft and lifter market. They alone sell more cams than all other competitors combined. This means that since they sell in greater numbers, they will have more failures simply due to the sale numbers they...

Don't be rude. He didn't seem to be disparaging any of the old timers. I see his "discovery" akin to a little kid telling a joke that we have all heard before.

With the engine assembled and the intake off, put a breaker bar on the crank bolt and spin the crank. If the spark plugs are out, you can crank it fast enough to see the lifters spin as the cam rotates.

You know where the blame for that lies. Do what you can to influence those that can reverse this and are willing to do so.

Uhh.....That depends on what you consider good fuel economy. I got 15.1 in this car..... Doing 70 mph.....Of course that is with a 5 speed manual with overdrive and 3.55 gears. If I were to down jet the Demon 850 and slow down to 60-65, I could crack 16, maybe 16.5. That is actually decent...

That is a stock photo I used when I converted my car. Pictures with the engine in the car can be hard to see and make sense of. In my '70 Charger, I converted to A/C 2 years ago this fall. I was able to keep the P/S in the same location using factory parts...in fact, the P/S pump and brackets...

My power steering bracket worked the same for NON A/C as it does with A/C. 440 based 493....

The piston to deck clearance is crucial to knowing the compression ratio. The dish in those pistons are huge. I suspect that the compression is well below 9.5 to 1.

I plan to get a rebuilt electronic 440 distributor and weld the slots like so.... That was my 383 distributor. A fresh RB rebuilt unit is going to have new bushings, pickup, reluctor wheel and a clean appearance. The beater Charger is a 383 model. I rebuilt the original mill and am waiting...

I was going to post about THAT very distributor... Rick Ehrenberg from Mopar Action magazine has stated many times that he thinks that most of the MP electronic distributors are junk. STOCK ones were great but the reproduction Mopar Performance units are not despite the fact that they look...

I agree that many factors do combine to determine the outcome. I also have changed my view on cam selection. I bought into the "Run a bigger cam to bleed off cylinder pressure" routine for awhile but have since learned different. The big cam builds MORE cylinder pressure as RPMs increase, making...

The 10 cc difference results in about 9/10ths of a point. You can do the math here: Compression Calculator - Free Shipping on Orders Over $99 at Summit Racing Are you sure that you want to be bumping up against 11 to 1 compression? Even with aluminum heads, that is race gas compression. I was at...