another overheating question

[4X4HIGH]

That bypass hose is only used on BBC's

 

[76zimmer]

I did a vortec conversion on a 79 block, and had to put a bypass hose there to alleviate the same problem. I realize he doesn't have Vortecs heads, just thought it might be worth a shot. Only a couple fittings and you can actually loop some heater hose to try it.