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I’ve got a brand new msd digital 6AL cd ignition box for sale, brand new, never been installed. Still in the original box with original instructions and brand new wiring harness. Asking 200.00 shipped from Montana.

I’ve got a quickfuel q-series ban-750 blow thru carburetor for sale. Low miles, never been apart before, tune of the carburetor is factory. This is a 900 dollar carburetor with under 2500 miles of run time on it. Asking 675.00 shipped. If interested send me a message.

ive got a quickfuel super street series 680cfm vacuum secondary carburetor on my 300hp crate 360 magnum. I’m running the Mopar Dual plane M1 intake and a 2 inch 4 hole carburetor spacer. The issue I am having is a missfire that starts around 2500 rpm. I’ve narrowed it down to cylinder 6 and...

I want to apologize in advance, this post is going to be long but in order to solve this there is a lot of information that needs to be shared to get an idea of what’s going on here. I’ve got a real brain stumper on my hands here and I’m dumb founded and have no idea what’s going on, I need...

so I have a 300hp crate 360 magnum in my 91 half ton short bed 4x4 truck. The engine has around 30k miles on it. I’ve discovered a rough spot around 2000-3000 rpm that seems to get better once you punch the throttle but it comes back the second you ease off and stay at a steady throttle setting...

can anyone help me identify this flex plate, the flex plate to the left looks like a normal small block mopar flex plate. The flex plate to the right I have no idea what it is I've never seen one that looks like that.

This is kind of a long story so I'm Going to attempt to keep it short and sweet. 91 Dodge w150 short bed 4x4 Truck. 300hp crate 360 Magnum, around 20-25k miles on engine. Was running a Mopar distributor from FBO systems, kept having issues with the advance plate wobbling around, reluctor teeth...

I have been having a strange issue that I finally narrowed down to being ignition related some how. At first I thought it was a drivetrain issue on my 91 w150 4x4 truck. The issue I was having was a horrible vibration that came on at 2500 rpm. I figured out the vibration showed up at 2500 rpm in...

where do the 5.9 magnums run best with total timing? I've been told they like 30-32 total timing because of the more efficient chambers of the magnum heads. And I've been told they like 34-35 total timing. I'm running a 300hp crate 360 magnum, I was running a modified Mopar performance...

i have a 741 case for sale that has open 3.55's in it. Gears are tight and quiet, has a brand new pinion seal. Asking 175 plus the shipping.

which mechanical fuel pump is the best pump between the edelbrock performer rpm part number 1720 and the Holley pump part number 12-360-11 or the Quick Fuel 30-360. All 3 pumps say 110 gph the edelbrock is the most expensive at 150 and the Holley is 135 and the Quick fuel is 127.50. This would...

I've got a 300hp crate 360 magnum in a 91 short bed 4x4 truck. Im curious as to what the dynamic compression ratio is on this engine. I live at 4000 feet above sea level, and when doing a compression test with the engine at operating temp and the carb wide open I get 150psi across the board on...

ive got a 741 8 3/4 case with open 3.55s for sale, nothing wrong with it in fact I ran it on my truck for over a year and the gears are tight and quiet and it has a new pinion seal. Only reason I'm selling it is cause I upgraded to a 742 case with 4.56 gears and a sure grip. Asking 200.00...

ive got A mopar performance distributor for sale that I purchased from don at fbo systems last year. It has an adjustable mechanical advance and adjustable vaccum advance. Mechanical advance is set at 18 degrees currently and timing is all in by 2800 rpm. The vaccum advance adds an additional 14...

how much would have to be taken off iron magnum heads to gain 9.5:1 compression? I was thinking that having .030 shaved off the heads and running a .028 thick head gasket would net at least 9.5:1 or maybe even 9.7:1. Reason I'm asking is I am trying to figure out a way to squeeze some more...

ive got a Mopar performance tach adapter for sale, part number is P4876738. Works great, just don't need it anymore. Asking 50.00 dollars plus the shipping.

im selling a Detroit 7290 u-bolt style 10 spline pinion yoke. It's pretty much brand new with around 500 miles on it. It came on a 742 case I bought but I'm running a 1350 series shaft so of course I had to swap yokes. Now this 7290 yoke is on the shelf not being used. Asking 75.00 plus the...

I've got a 741 case with open 3.55s for sale, gears are tight and quiet. Ran them for a little over a year with now issues. It has a brand new pinion seal. I just upgraded to a 742 case with 4.56s and a sure grip. Asking 300.00 plus the shipping from Montana.

i know this is a car site but I figured you guys would have a lot of knowledge about the 8 3/4 rear axle and might be able to help me identify why my axle shaft just up and broke in half. I have a 1991 dodge short bed 4x4 truck that originally had a 9 1/4 in it. The 9 1/4 was worn out and I...

ive got a small block water pump pulley for sale, the number on the pulley is 36988. I've been told it's for a/c equipped small block mopars. Its straight, and in good shape. Asking 40 dollars plus the shipping. I think I can have it shipped in a 10 dollar usps priority mail box. If interested...

I have a 320hp crate 360 magnum engine in my 91 half ton short bed four wheel drive truck. The front of the engine had the la timing cover and la v-belt set up on it with a mechanical fuel pump. I've struggled to get the belts to line up with the pulleys and I've come to the conclusion that I...

I've got a mopar performance tach adapter for sale. Not much use on it, worked great for me. Wiring is in great condition. Asking 50.00 dollars plus the shipping. If your interested send me a pm.

I'm looking for a used 8 3/4 742 case with ether 4.10, 4.56 or 4.88 gears. I'd prefer a sure grip but open style would work as well. looking for a good used unit in good working condition, not interested in a spool, if you have one your considering selling please let me know.

I've got a 300hp crate 360 magnum in my 91 power ram short bed 4x4 truck. I am running the mopar dual plane m1 intake with a 2 inch 4 hole aluminum carburetor spacer. A quick fuel super street series 680cfm vaccum secondary carburetor. A mopar distributer, running 16 degrees initial and 34...

I'm running a 300hp crate 360 magnum, it has 20 thousand miles on it right now, it has 9.0:1 compression ratio, I'm running 16 degrees of initial timing and 34 degrees total timing. I live 4000 feet above sea level, I ran a compression test on it while warm with the carburetor wide open and it...

I've got a 300 hp crate 360 magnum engine in my 91 power ram 150, it was purchased brand new by my father in 2003 and I acquired it in 2010, it's a low mileage engine, it had 18,500 miles on it when I got it, and I have barely put 5000 miles on it. My father always ran 91 octane in it and said...

I e been told by a few different people that if I switched to a 180 degree thermostat from the 195 degree thermostat I'm running right now I'd gain a little more power. Is there any truth to this? I've got a 300hp crate 360 magnum, running the dual plane mopar m1 intake and a quick fuel super...

I've got a mopar performance tach adapter for sale, the part number is p4876738. It's in like new condition, only been ran for a few months and was installed inside the cab. All the wiring is in great condition. Asking 40 dollars plus the shipping. I'm located in Idaho, this item will easily...

I've got a 8 3/4 10 spline 7260 series pinion yoke for sale, it's in good condition, the ears are in good shape, no gouges or dings from the u-joint snap rings. I pulled it off my 8 3/4 and upgraded to 1350 series yoke. Asking 25.00 dollars plus the shipping, I'm located in Idaho and it will...

I've got a 300hp crate 360 magnum in my 91 half ton short box 4x4 truck. It has the older la water pump and timing cover set up on it. I crawled under it today to check something out and noticed a few drips of antifreeze on the bottom of the crank shaft pulley, so I started looking for where...