Ihave 2014 gt with 29,800mi. and I figure it is time to change antifreeze. It looks good but should I do a complete flush job,or just drain radiator and change? Also,prestone concetrate is $5.00 cheaper per gal. than motorcraft per gal.
Having a strange issue on a mechanical oil psi gauge I put on my 2014 coyote.I put a 75" long braided stainless reinforced Teflon line 3/16" reducing to 1/8" copper line 3" to the gauge.
On engine running I am hearing a slight chatter at the gauge.I pulled gauge off and put another one (both are...