[harrygm]

2001 5.2 ,air,auto,what size cap 12-16 -18 lbs cap is the proper cap with 195degree thermostat?

 

[97B2500CCV]

16 is the normal for our vans, though I have read that a 20 might help prevent the Magnum engine ping. I have not tried it on my van to see.

 

[stev]

2001 5.2 ,air,auto,what size cap 12-16 -18 lbs cap is the proper cap with 195degree thermostat?

I have the same setup of what you are asking. Next time the hood is opened, I'll read the cap to find out. Just have to remember to do that and reply back here this weekend.