Have Anti-Freeze in oil pan, No white smoke what could be wrong? on 1990 Chevrolet G Series Van (G20)

Engine won't start, anti-freeze in the oil pan no white smoke.
how can I tell if it is just head gasket or if it is something worse? 1989 Chevy G-20 Van.

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3 answers 2 comments
do a compression test on all cylinders and get the cooling system pressure tested from there you will know if blown head gasket.
A head problem is bad enough. The van is almost 14 years old. Do you really want to spend the amount of money to fix this van? I think not. Time to move on and look for another van.
The repair will easily cost at least $1,000 or more.
Possible intake gasket leak, very possible!!
When pigs fly and hell freezes over.
That time has come to pass, fixed a pile of them! For real. Especially on a pushrod engine! It's the most common cause in fact! Head gasket will steam from exhaust and/or pressurize cooling system, think about for awhile.