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I ordered a set of fully grooved Mahle (Clevite) main bearings from Summit. First time I have ordered fully grooved main bearings. I was surprised to see that one of the thrust bearing halves was not fully grooved while all the other 4 journal bearing halves were fully grooved. I called...

Saw this thread on Racing Junk. First time I have heard of this company. They are offering a high end header for small blocks. They already offer big block headers apparently. Expensive but sure look nice. Mopar A-Body Headers for sale in DEER PARK, NY, Price: $1,895

What is the best tool to remove these square holes oil galley plugs? Anyone use a piece of square bar and if so what size? I do not have anything handy in this size around the garage or tool box and do not want to risk stripping. I can see someone used something non-square in one of them and...

A friend in Akron has some small block W2 heads he needs inspected and quoted for rebuilding. Does anyone know of a good shop that knows Mopar heads in the area? Thanks

Curious what to expect if you measure the top of a new 340 or 360 forged piston and how much the diameter changed from above the top ring land versus mid way down the skirt perpendicular to the wrist pin. What should one expect?

I have not seen a specific shaft for the W2 Econo heads available these days. Do you use a quality stock shaft and drill out the mounting holes to 3/8 from 5/16? W2 Econo shaft pedestals on the heads require a shaft that is drilled on center so the pricey W2 race shafts are not an option.

I was wondering if anyone has the factory specs for lobe lift, duration , duration at 0.050 and LSA for a stock LA 318 roller cam engine from 1989. Any information is appreciated. Thanks

Any good engine dyno software to use on the Internet? Something that accepts head flow and cam information would be useful. I tried using the Comp Cams cam quest software but have issues with it using my Windows 7 software. Thanks

Curious to know if anyone has offset ground a 360 crank for Chevy 2.0 big end rods. How much additional stroke does one get?

Friend of mine changed directions and has a set of pistons designed for W8 heads which are a 15 degree valve angle heads. He wants to run the pistons in a 340 with a set of ported X heads. The X heads have the stock 18 degree valve angle. Pistons are dished. Can this be done or will the...

On forged crankshafts, is there a need to have the connecting rod and crank main journals hardened if they are ground to true up the journal? Same question if you offset grind the rod journal to a smaller size to increase stroke and use a small block chevy rod?

Does anyone know how much machine is required to put a solid roller cam into a 48 degree R3 block? I have seen pictures of the 59 degree R3 blocks which require quite a bit of machining to get the clearance needed for the guide bars. I have not seen or heard anything about the 48 degree...

I will be building a small block stroked for the strip in the new year. It will be a 416 X-block stroker that will likely not see higher than 7200 - 7400 RPM. I was considering performing some modifications to the oiling system to prioritize main and rod bearing oiling as well as improving...

Anyone know what a 360 iron head weighs? I am curious how much weight will be saved by switching to aluminum. Thanks

I want to run a few scenarios to see the potential of an engine I would like to build. Are there programs available that will provide a reasonable estimate so I can determine what type of cam, compression, carb I will need? Thanks

A friend was considering bushing his lifter bores to run a solid roller. Do bushed lifter bores require any hole to allow oiling of the roller lifter body? If he wants to convert to solid flat tappet cam later in life does he need to modify the bushed lifter bores beyond what is needed for the...

Back in the day the forged pistons carried by Mopar were made by TRW. Anyone know who has made them in the past few years? I was also looking for information on a forged piston # P4876971. I believe they are 4.06 bore flat top pistons. Any information would be appreciated. Thanks

I am trying to calculate the expected cylinder pressure of my combination. Anyone know the formula or link to a program that will allow me to figure it out?

I am building a near stock 340 and want to used a quality forged piston. I will be using stock X heads and a gasket of .039 compressed thickness. I prefer 0.020 over bore if available. With the fairly mild cam I will be running I need around 9.5 to 9.8 compression to meet the cranking...

I am rebuilding my 340 and am wondering if the original harmonic balancer can be rebuilt. After 35 years the rubber between the metal discs looks a little tired. Has anyone had one rebuilt or for insurance do people generally replace them? Is there any danger in leaving the original balancer...

A friend of mine has a stock bored 71 360 block that is cracked in the lifter valley. The crack is around 1 inch long length wise across one of the water jackets about an inch from the top of the block. Can this be adequately repaired and if so what is the best proceedure to ensure no coolant...