427John

I can see incorporating an adjustable flex stop into the back of the water pump as a good option. The cover would need to be mighty...

I can tell you it is enough to flex a stock steel cover. Plenty of examples in the SBC world and the water pump may help. Ideally the...

Without rebar or steel reinforcing mesh they must be building where they don't have to worry about earthquakes.

Holmes was the original manufacturer for Moon, you may be right the early Cal Customs did look a lot like the Holmes covers.

MRHP hit the nail on the head, with the difference between fuels from the 50's and 60's (no ethanol) to todays gas I would be totally...

Early truck 348 blocks were double notch, later truck 348's were single notch, I think they coincided with early 348 truck heads not...

It would take an unethical person to do something like this, and there never seems to be a shortage of those so I'm sure it has been done.

That video is probably referring to the nitrided cranks used in some HP 427's and 454's such as L-88's and ZL-1's, not sure if the 425...

The problem with the VIN you keep referring to though is a 61 VIN, supposedly stamped into an engine that was assembled in Nov 61...

Pontiac made an aluminum tripower intake for their389SD program, can't remember if it was for 59 or 60, but they are few and far...

If it were me and I was going with the 3.55 gear I would stick with the stock converter, I wouldn't bother with a looser converter for...

While it is in contradiction of the original engineers reasoning of increasing journal diameter to maintain overlap when increasing...

Are you certain you have the right height TO bearing? there are 3 different heights for chevy's, I went thru this in my 64 K20 when I...

I had a 454 crank that was already .040 under and I considered going to the SBC journal, but it cleaned up at .050 and I was able to...

Assuming some sort of big block with the Turbo 400, I would go something in the mid 3's 3.36 or 3.55 nothing lower, the larger and more...