04-07-2016, 06:48 PM | #1 |
Svt lol
Drives: 2011 ss inferno orange blown Join Date: Jan 2012
Location: Topeka
Posts: 2,312
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Rear cradle bolt question
For those who have removed their rear cradle did you put a load on the cradle to help with loosening the bolts? Or did you just use an impact and say f^€k it?
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plasti dip is not a mod.......and a cold air intake doesn't make you fast!
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04-07-2016, 07:04 PM | #2 |
Drives: 2009 ZR1 Join Date: May 2010
Location: KCMO
Posts: 3,205
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I've done it by hand and with an impact. Never loaded the cradle. With impact, I broke them loose with breaker bar first. That may seem counterintuitive, but there have been times the impact messed up the bolt head breaking bolts loose.
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04-07-2016, 07:07 PM | #3 |
Svt lol
Drives: 2011 ss inferno orange blown Join Date: Jan 2012
Location: Topeka
Posts: 2,312
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Seem to be my go to source lol. I tried by hand just had no luck I'm going to have to try it again I guess.
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plasti dip is not a mod.......and a cold air intake doesn't make you fast!
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04-07-2016, 08:47 PM | #4 |
'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
Location: Dallas TX
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Breaker bar did it for me...
-Don
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747 RWHP 794 RWTQ
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04-07-2016, 09:25 PM | #5 |
Drives: cars Join Date: May 2011
Location: Oversneeze
Posts: 4,544
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You need a longer lever or an impact can be used, no loading of anything is needed.
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04-07-2016, 09:28 PM | #6 |
having FUN now 13.66@101
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Breaker bar, and add an extension. I used my jack handle to add another couple feet to the breaker bar. Those bolts are 177 ft lbs. At least on one of the documents I have in my list.
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04-07-2016, 11:54 PM | #7 |
Drives: 2009 ZR1 Join Date: May 2010
Location: KCMO
Posts: 3,205
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I just replaced my cradle bolts with new ones after I installed solid bushings. I replaced them because the originals had been in and out around three times. I torqued them to 130 lbs. I've seen torque specs of 100 lbs (Pfadt's directions for their bushings) to 130 lbs (BMRs directions for theirs).
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04-08-2016, 02:11 AM | #8 |
Drives: 2017 2SS M6 Join Date: Jun 2013
Location: WNY
Posts: 7,070
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bolts should be replaced. I used a impact. Zipped them right off but it's a good Mac impact
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real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1
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04-08-2016, 06:04 AM | #9 |
Svt lol
Drives: 2011 ss inferno orange blown Join Date: Jan 2012
Location: Topeka
Posts: 2,312
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Going to try a breaker bar I need an impact and had all intentions to buy a new one here in a few weeks just didn't want to buy one if I didn't need it right now.
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plasti dip is not a mod.......and a cold air intake doesn't make you fast!
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04-08-2016, 09:20 AM | #10 |
One man Army
Drives: 1987 Iroc Players car Join Date: Jan 2015
Location: United States
Posts: 133
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Impact them out. If you're messing up the heads of bolts removing them, you need a new set of 6 point impact sockets. Just did mine with the Pegasus billets. very nice setup. torch and a jack and your all good. Less than an hour to do them.
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04-08-2016, 12:30 PM | #11 |
Drives: 2015 2ss Join Date: Jun 2015
Location: Wooster ohio
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When you guys use the jack and torch to press the bushings out what are you using against the body a large socket?? Any one have any problems melting the old rubber bushings on the inside or does it not take that much heat to push them out?
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04-08-2016, 01:07 PM | #12 |
Drives: 2017 2SS M6 Join Date: Jun 2013
Location: WNY
Posts: 7,070
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thats how i did it. wasnt hard at all. use a 1" socket
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real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1
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04-10-2016, 01:34 AM | #13 |
large socket.
you need to apply enough heat to get the bushing plastic sleeve to melt just a bit and get slippery. |
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04-10-2016, 07:25 AM | #14 |
corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Harbor Freight has a 1/2" impact with a 700 ft-lbs claim, and is commonly available for under $100. Even with one of the little pancake compressors - certainly undersized for operating this impact anywhere near continuously - it'll break pretty stubborn bolts loose with very little effort. Do use quality impact sockets, standard or deepwell as necessary.
Norm
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