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My balancer is a powerforce balancer and I have a 1999 360 Magnum Engine 408 stroker - cast crank. I took the balancer off today to add some timing tape and noticed the bolt on weight. I checked against the powerforce instructions and the weight matched no 2 below. My engine machinest did...

What can you expect your oil pressure to drop to between hot and cold. On Idle on my brand new 408 I get between 60 -70 psi and after idling for 10 minutes at idle it drops to just under 40 PSI but with a small rev back up to 60. I haven't driven the car yet so I dont know weather I will get a...

My Brother just broke a rocker on his stroker engine. What are the best options for rockers on these heads. I have only heard of T&D and Jesel. I thought Hughes engines would have done some but it doesn't appear so. Any Ideas

My 408 which had great oil pressure (70PSI) when run on engine stand 5-6 months ago however I started it in car and only ran for about 20 seconds as guage was not registering anything. I took out dist and intermediate shaft and spun pump with drill and I cant get any pressure. The only thing...

My 408 I built ran beautiful on the engine stand and now I have it in the car it wont start. When I turn key it starts momentarily albeit very rough then dies. It's not a fuel problem as I can see the carb has plenty of fuel. I feel it is an electrical problem. At first I thought it was a...

I used an 8 quart oil pan on my 408 with the suggested dipstick for that pan. When I put oil in, it was way lower than full mark. Anyone else struck this on this combo. I put around 9 quarts in but I have a remote filter and 2ft hoses. Leave it or drain a little out?.

Im interested to know more about Mopar R4 blocks. I know they were used in Pro Stock Truck in the USA and our Pro Stockers here in Australia. What are the specs of these incl bore size, degree, what heads can be used on them. Were they built specifically for pro stock truck or were they used...

This is where i'm thinking about mounting my remote filter. I am not overly happy about location but there is very few places to put it. Ideas on some mounting spots on an A body.

I bought a used cam and lifters for $40 at a swap meet today. The guy believes the cam is a purple but cant be sure. All he knew was that it was pretty mild and was in a 360. It is stamped H36KDGwith an X under that and a number 6 down the bottom on the rear end of shaft. The lifters it...

What is the reason for this plug. It is plugged on an old 318 I have but I cant honestly remember pulling it out of this 360 Magnum I'm building. (That doesnt mean much cause sometimes I cant remember what I did 30 min ago). What are the circumstances you leave it in or take it out. Does...

Harland Sharp rollers on Magnum Heads with Hyd roller rockers. Adjustment from zero lash 1/2 turn or full turn?

Hi I pressed my powerforce balancer on today and my crank pulley was not lining up with the other pulleys. Took it back off and compared with a standard balancer and the standard one has metal flange on the shaft which prevents it being pressed on to the crank to far. Pried the flange...

Ready to purchase some pushrods. Can I just order a 5/16 diameter in my correct length pushrod from Summit. Are the ends on a Magnum any different to a Chev or Ford. Would make it a lot easier if I can order off the shelf

Bolted on timing cover and water pump. Went to torque it down to 30 ft Lbs and stripped the top bolt hole. WTF these things are piss weak. I did read about this somewhere 12 months ago but forgot until after I stripped the thread. Fark Fark!

Hi Folks My Hughes Cam is supposed to be installed at 107* When I installed my cam I had it in at 109* which is the best I could get it. I talked to Dave at Hughes Engines and he suggested a 2* degree offset key used on cam not on the crankshaft. I installed the 2* offset key on cam and...

Hi Folks Trying to degree my Hughes Cam in which is 107 centreline. The closest I can get it in at is 109. The timing set is Mopar Performance and it was impossible to get it dot to dot. Has anyone used these offset keys and how did they work out for you. 1973 Duster 408 Magnum

Has anyone run tighter clearances on their Rod Bearings. Of course I would like it a touch bigger but thats what I got on a couple of the rods. The others are .002

My valve stems are not all at the same height. The exhaust valves have pulled into the head somewhat making them not the same height as the intakes. Have shimmed up the springs to installed height to maintain spring pressure. Should I just leave them like that or is there another solution. I...

My car runs better with the vacuum advance hose removed and blocked. If I connect up the vacuum advance hose the car idles really rough almost stalls and shakes really really badly. This particular distributor is a brand new A1 cardone and the Carb is also a new/reconditioned BBD Carter...

Hi My duster is running like crap. Idles really rough and shakes up to around 3500RPM then seems to go ok. I have changed plugs and leads and put the timing light on and all seems good. By the way I have a hunch that the alternator is not charging the battery. Could this interfere with...

Hi Folks My first time anyone near a head with a die grinder. I gasket matched head and was working on smoothing out the cast marks in the the bowls. Didnt want to port because of my inexperience and dont want to F#*K it up. I did however take a little material off below the valve seat to...

New rpm heads and used intake. The intake ports on the bottom only are 2-3mm larger than than the head ports. Should I leave them alone and will it have any power loss or should I take a little from the heads and trim the gasket down a touch.

Put my pistons in my 408 build and I have a variation of .010" thou to .014" of pistons sticking out the top of the bores. These measurements are closest to the valley on both sides of engine. On the other side of the piston I have "003 - 004" sticking out. I asked my machinest not to deck...

Just started mocking up my 408. Went to put the Rods/Pistons in today and noticed that these bearings are not chamfered. Are they supposed to be chamfered on one side of each or are they just narrower than standard. The correct part number is stamped on the bearing. I was always under the...

I read an article on building a 5.9L Magum engine. Basically they started with a 300HP crate engine which has a bone stock bottom end. They added Comp XFI cam, Edelbrock RPM heads, Mopar M1 single plain intake, and a 750 Speed Demon carb and some headers. On the Dyno it pulled 448HP at...

Looking for some ARP Black 12 point bolts for Mopar Magnum M1 intake using Edelbrock RPM heads. ARP supposedly does them but I am buggered if I can find them in their cataloge. Does anyone have the part number?.

Hi Folks Here are the parts I have up to now. Magnum 5.9L Block 30" over studded mains Probe Forged Reverse Dome 17.5CC dish Pistons MP 4.0" cast Crank SIR Rods Edelbrock RPM Magnum (out of the Box) M1 Mopar Single Plain Edelbrock HV Mechanical Fuel Pump Holley 750 DP HP Harland Sharp...