vortec 5.7 (350) roller block timing cover and water pump conversion.

1998 5.7 vortec roller camshaft block conversion. carburetor,
intake manifold, HEI ignition steel timing cover, V-belts, old style long water pump. how to...880 block long water pump and steel timing cover

[@Nathlete_]

I’m dealing with the coolant bypass problem right now, do you think I could get away with using the old school pump without drilling the bypass hole in the block but instead just drill the holes in the thermostat?

[@realsteelmotorcars2894]

Definitely drill the holes in the t-stat.
Check out my heater hose bypass video
That is an external bypass,
th-cam.com/video/_xcXsvimm3Y/w-d-xo.htmlsi=MBZfDDIjKtlIy1QR
If you are planning on blocking off the
The holes going to the heater hoses you can drill about 6 x 3/16
Holes in the t-stat.
What is the block going in ? Do you want the heater to work? If so, do you have a heater control valve on your heater hose?