Re: Transmission Cooler Fittings (Question)
I don't know, but I would guess it is 5/16-but might be 3/8. There is probably a reason that the radiator cooler is not connected-like it leaks to water. Is it plugged off or open?
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'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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