Author: YO7_A66

My 340/420 Stroker Build

20 months ago, I lost oil pressure in my 340 (70 Challenger numbers matching) and found that the oil pump internal components had many scars, the oil pump screen was full of crud, the thrust surface on the crank was ate up, and my main bearings were to…

Plug Leaking 727

This plug is leaking and I need to remove it and reseal it. When I remove it, do I need to expect a lot of fluid to pour out or a little bit.

Thanks

Supporting Torque Converter with Engine Out

I have had my 340 out of the car for several months now while waiting for the machine shop to finish the bottom end rebuild. As soon as I pulled the engine out, I supported the converter with a closed end wrench bolted onto the housing at approximately…

Valve Spring Question: Coil Bind Versus Spring Quality

I am looking at two valve springs for a possible upcoming cam swap. This will be for a solid flat tappet that will max out around the 6300rpm range with 1.65 rockers.
Note: I have been told in the past that the 1.65 rockers will need a little more spri…

Crank Journal Size: Mopar Versus Chevy

If you are selecting a crank/rod combo (340), and both the Mopar and the Chevy journal size is available, which do you choose and why?
I understand getting the matched set, but why one over the other?
Weight of the different size journals versus the …

Clearancing Pushrod Holes

This question pertains to which directions do I need to open the pushrod holes for extra clearance when swapping from a SFT to a SR cam.

I am trying to get some of the dirty work done before my rotating assembly is ready (340/418) at the machine shop….

2.5″ Round Ultra FLows: Mounted Beside Gas Tank

http://www.dynomax.com/ultra-flo-welded-round-centered-centered-596.html

Has anyone mounted these 6″ diameter x 16″ ROUND Ultra Flows beside…