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1957 235 engine question #384730 02/27/17 05:02 PM
Joined: Nov 2011 Posts: 62 Texas 37chevyPU OP Shade Tree Mechanic
OP 37chevyPU Shade Tree Mechanic Joined: Nov 2011 Posts: 62 Texas	I ran a compression test on my 1957 235 engine today, number 4 cylinder shows 0 compression. What might be the problem and how to check? It is pushing air out of the exhaust. DOC

Wilwood Engineering1955-1957

Willwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188

Re: 1957 235 engine question 37chevyPU #384733 02/27/17 06:14 PM
Joined: Jan 2008 Posts: 828 Likes: 6 iowa dens41 ChatMaster - 750
dens41 ChatMaster - 750 Joined: Jan 2008 Posts: 828 Likes: 6 iowa	I would start with removing the valve cover and see if you have a valve stuck open, then next back off the valves on that cylinder to make sure they are closed and put air in the cylinder. Air out the exhaust valve bad out the carb valve bad into the crankcase rings or hole in piston. If you can hook up a air compressor to that be careful the engine will turn over some if that piston goes to the bottom of the cylinder. Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..

Re: 1957 235 engine question dens41 #384747 02/27/17 10:16 PM
Joined: Nov 2011 Posts: 62 Texas 37chevyPU OP Shade Tree Mechanic
OP 37chevyPU Shade Tree Mechanic Joined: Nov 2011 Posts: 62 Texas	Thanks for the information. DOC

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