rd Founding Member Jan 12, 2000 3,316 63 109 Ocean Springs MS Mar 11, 2008 #1 Mar 11, 2008 #1 Can anyone tell me what thread size the heater hose outlet fitting on the intake manifold is? It's typically the 90 deg fitting on the right front of a carbed intake. I need to find a new one, and I forgot what thread size. Should be pipe thread. Thanks.
Can anyone tell me what thread size the heater hose outlet fitting on the intake manifold is? It's typically the 90 deg fitting on the right front of a carbed intake. I need to find a new one, and I forgot what thread size. Should be pipe thread. Thanks.
R robertdale New Member Jan 31, 2002 382 0 0 kentucky Mar 11, 2008 #2 Mar 11, 2008 #2 I'm pretty sure it's 3/4 inch NPT. the same as a fuel injection intake.