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02-09-2009, 10:34 AM
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#1
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Join Date: Apr 2005
Posts: 2,308
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Engine bay cleaning
In today's cars, is it safe to throw open the hood and just shoot a hose at the engine? My Cobalt's engine bay is full of salt and I want to clean it come the Spring, but just want to be sure hosing the engine down won't cause any damage to anything else under the hood.
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John
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02-09-2009, 11:23 AM
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#2
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Join Date: Jan 2009
Location: freehold nj
Posts: 171
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do it when the block is cool or cold, not after you just ran the engine. thermal properties of metals still apply today. you know that pesky heating and cooling of metals that causes cracking and fatigue... also find a good engine cleaner from pep boys.. the one thing i cant seem to find a way of avioding other than by plain luck is keeping an aluminum block from pitting and oxidizing if anyone else has tips please share
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02-09-2009, 02:02 PM
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#3
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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use your hands and simple green
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02-09-2009, 02:12 PM
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#4
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10 Second Club
Join Date: Feb 2008
Location: Eatontown
Posts: 1,647
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+1 on making sure the block is cool. Most electronic clips have rubber weather proofing, however I personally would not hose the engine. Get a rag and cleaner and take your time.
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1999 C5 FRC: 12.7@114
2008 TBSS: 12.48@108
2017 Silverado 2500 do you even lift breh?
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02-09-2009, 08:12 PM
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#5
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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I usually try and stay clear of directly soaking the alternator and distributor (if applicable)
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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02-16-2009, 11:46 PM
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#6
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Join Date: Aug 2008
Location: Bergen County
Posts: 290
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Simply green and a little bit of water should do it. Cover your alternator, distributor and brake resorvior with aluminum foil and avoid direct water soaking to them. 
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Drive it like you STOLE it.....
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02-17-2009, 08:02 AM
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#7
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Join Date: Dec 2004
Location: Browns Mills NJ/ Rotondo West FL
Posts: 3,054
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Quote:
Originally Posted by 98CamaroSS
Simply green and a little bit of water should do it. Cover your alternator, distributor and brake resorvior with aluminum foil and avoid direct water soaking to them. |
X2
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AI HCR 241's , Lunati 223/236 .615/.626 114+2 , Full Exhaust , Ported Fast 92 , Ported LS2 TB , Veraram , 85mm MAF , Circle D 4000 , 3.42's , GTP 36# , CSP Dyno tune. More on the way
420 HP/367 TQ on a Unlocked Converter & still climbing.
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