1st start after winter
Thread Starter
Burning Brakes
Joined: Jun 2009
Posts: 1,135
Likes: 226
From: Roanoke Indiana
1st start after winter
Recently learned that if you hold the gas pedal to the floor and push the start button in a C6, it will crank but not start.
Many think that it's good to crank the engine for a few seconds before starting after winter storage.
Just wondering if that works on C5s.
Many think that it's good to crank the engine for a few seconds before starting after winter storage.
Just wondering if that works on C5s.
Instructor
Joined: Jul 2019
Posts: 193
Likes: 66
From: Central California
Yes if your hold the pedal to the floor the car will enter the "clear flood mode" and not fire the injectors. The car will not start but circulate oil when cranking. It might take a while to get oil pressure after sitting for some time.
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
back in the 18 hundreds I had a chevy 283 with a bad cam lobe, decided to put a brick on the gas pedal and see how long it would last, after filling the entire neighborhood with smoke (about a half hour) I decided it was not going to blow. took the engine out and set it behind the garage,(Michigan weather) after about two years a friend needed a 283 crank, we took the engine apart and all the rod and main bearings were still full of oil ???? so just start it already !!!!!!!!!!!!!!!
Instructor
Joined: Nov 2013
Posts: 187
Likes: 13
From: Port Ewen New York
back in the 18 hundreds I had a chevy 283 with a bad cam lobe, decided to put a brick on the gas pedal and see how long it would last, after filling the entire neighborhood with smoke (about a half hour) I decided it was not going to blow. took the engine out and set it behind the garage,(Michigan weather) after about two years a friend needed a 283 crank, we took the engine apart and all the rod and main bearings were still full of oil ???? so just start it already !!!!!!!!!!!!!!!
Moderator, Tech Contributor
Joined: Sep 2013
Posts: 15,615
Likes: 4,061
From: Cape Coral, Florida
YES, it’s called a clear flood crank !!
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Instructor
Joined: Aug 2017
Posts: 157
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From: Charlevoix, Mi
If the engine turns without combustion there is less stress on the connecting rods and crank. This was and still is advised for two stroke engines after prolonged storage. Two stroke engines rely on the gas/oil mixture to lubricate the crank /bearings. If the crank bearing/ connecting rod area on a four stroke engine does not retain oil you have serious problems. Unless you think you have a rod knock I wouldn’t bother.
Le Mans Master
Joined: Sep 2013
Posts: 8,900
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From: Wisconsin
If the engine turns without combustion there is less stress on the connecting rods and crank. This was and still is advised for two stroke engines after prolonged storage. Two stroke engines rely on the gas/oil mixture to lubricate the crank /bearings. If the crank bearing/ connecting rod area on a four stroke engine does not retain oil you have serious problems. Unless you think you have a rod knock I wouldn’t bother.
Racer
Joined: Apr 2012
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From: Plymouth, Ma