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#1 |
![]() Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,112
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Well, due to life events, my ZR-1 hasn't been cranked/started in over 6 months. I know this is boarder line on the need for pre-oil. I searched the threads, I KNOW there is at least ONE article on this, maybe from Heibeck. Could any one help me find it or give me a good procedure. I know, it's not technically needed, but I want to anyway. Thanks! (Mobile 1 with Bosch filter)
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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#2 |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,712
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Towards the end of the article.
http://www.zr1specialist.com/HAT%20W...ping%20LT5.pdf |
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#3 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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Those are great tips for a ultra low mileage car coming out of hibernation.
Sounds like overthinking it a bit for a driver thats been off the road for a year, or so. All my cars have gone thru periods of years between starts without doing anything but charge the battery and fire it up. Last edited by CamP; 07-25-2022 at 11:24 PM. |
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#4 |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,384
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Many years ago, I acquired a lot of about 30 LT5 engines that came out of GM storage left over from all sorts of projects, Active Suspension, Phase 2, 89 models, warranty replacements, engineering testing, "window" for cam chain testing, etc.
The engines were placed in open crates, some assembled, some partially disassembled, no protection or preservation was ever intended. These engines had bee sitting for 10+ years. I disassembled a few and without exception, there was oil still present on all the rod bearings as if the engine was recently run. One of the complete engines was installed, started & used for several months without issue, except for a leak in the front cover or seal area. I have handled 7 crate engines & sold all to customers who followed my recommended protocol to bring them to life. Without exception, all of them started & ran just fine. Engine oil had to be drained before shipping, but to my knowledge, none of them were pre-oiled before starting. These are engines last run on a dyno in 1993, so at least 15 years. Part of my protocol was to remove the plugs, squirt a small amount of light motor oil in each cylinder, crank it over a few revolutions to lube the cylinders & pump oil to pressurize the oil galleys before re-installing the plugs & running. Nothing wrong with pre-oiling a newly built engine especially, but I don't really think it is at all necessary on an engine last run a few months or even years ago. You could always just pull the plugs, & crank the engine over until you begin to see pressure. Just my 2 cents worth......
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. Last edited by A26B; 07-26-2022 at 09:44 AM. |
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#5 | |
![]() ![]() Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,794
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Left Clickable links ![]() -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 07-26-2022 at 11:03 AM. |
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#6 | |
![]() Join Date: Jan 2006
Location: Decatur, AL
Posts: 1,112
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Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 |
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#7 |
![]() Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,574
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Agree with Jerry.
Nice to do. Necessary? No. I once parked my Z for what I thought would be a month or two. Turned into 3 years. Bumped the key, started immediately, like I had just shut it off. Oil pressure came up near instantly. Did not even have chain rattle. Sometimes we just worry just a bit too much. Enjoy your Z ![]() Marty |
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#8 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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Paralysis by analysis
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#9 |
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,058
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Way too much trouble that's not needed. My car will sit for months at a time. Put gas pedal to floor and crank engine a few seconds. Take foot off gas pedal and start. This procedure is used to clear a flooded engine,engine will crank over but won't start with the pedal full depressed.
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