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duke36 · 01-08-2021, 06:18 PM

So, related to the other threads in conjunction to a stat and faster warm up:
if the 3/8" tube option is employed to the block rear, which way is the coolant flowing in that tube when the stat is fully open? When the stat is closed, it does appear from the Ford cooling diagrams that the coolant will circulate from the pump to the rear (counterclockwise) and return, etc. With the deflector /baffle in the block as designed, could there be some short circuiting with the flow at different times in the heating cooling cycle?
Is there any advantage to using a high flow racing type stat?
Also, would drilling a (1/4") rear hole weaken the head stud area in the block ?

01-08-2021, 06:18 PM	#16
duke36 Senior Member Join Date: Jun 2015 Posts: 1,414	Re: Engine heat in cold weather So, related to the other threads in conjunction to a stat and faster warm up: if the 3/8" tube option is employed to the block rear, which way is the coolant flowing in that tube when the stat is fully open? When the stat is closed, it does appear from the Ford cooling diagrams that the coolant will circulate from the pump to the rear (counterclockwise) and return, etc. With the deflector /baffle in the block as designed, could there be some short circuiting with the flow at different times in the heating cooling cycle? Is there any advantage to using a high flow racing type stat? Also, would drilling a (1/4") rear hole weaken the head stud area in the block ?