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Engine sludge removal

Postby MIKE91B [OP] » Nov 08 2019, 3:40pm

Got a chance to try anything I can to save an engine that should be replaced. 20,000 miles and the oil was never changed. Sludge everywhere and 17-20 psi oil pressure when hot. It ticks and bangs. What should I try? You guys tell me. I’ll post pictures if I can.
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
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Re: Engine sludge removal

Postby MIKE91B [OP] » Nov 08 2019, 4:11pm

Ok first test is 4qts trans fluid and 2 qts engine oil.
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
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Re: Engine sludge removal

Postby Bradley21sanders » Nov 08 2019, 4:14pm

I would think you would want to do a tear down clean and check bearings to be on the safe side and then it could possibly just be put back together if all checks out.

I am no engine builder but the few I have done I just went ahead and went through both the top end and the bottom end for piece of mind and checked it all.
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Re: Engine sludge removal

Postby Z15 » Nov 08 2019, 4:17pm

Image...... :arrow: Engine and Transmission Flush

AMSOIL Engine and Transmission Flush Benefits
Unlike many flush products, AMSOIL Engine and Transmission Flush features a multi-use formulation that dissolves and disperses sludge, varnish and deposits in both engines and automatic transmissions. Due to its detergent-based formulation, it can be easily disposed of with waste oil, making it more user-friendly. Its advanced formula of light base oil technology, powerful detergents and dispersants provides safe cleaning action. AMSOIL Engine and Transmission Flush is compatible with both petroleum and synthetic oils, preparing poorly maintained equipment for installation of new oil. It represents the first step toward restoring neglected equipment to top-notch performance.
Mike

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SYNTHOIL SUPPLY

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Re: Engine sludge removal

Postby MIKE91B [OP] » Nov 08 2019, 4:23pm

I’ll see if I can track the Amsoil product down. I’m taking before and after pictures and will post them later. It’s a 2018 Silverado 4.3 and it only had about 2 qts come out of it.
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
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MIKE91B
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Re: Engine sludge removal

Postby Z15 » Nov 08 2019, 4:26pm

Might be hard to find locally but you can order from the link I provided. Are you in Columbus by any chance?
Mike

Image
SYNTHOIL SUPPLY

My_Fleet
2017 GMC Sierra Denali 6.2L
2017 John Deere X738 4x4 Tractor/Snow Blower
2018 Polaris RZR S 900 EPS
2016 Polaris RZR 900 EPS
User avatar
Z15
Recognized Supplier
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Shifting into Sixth Gear! [L3]
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Posts: 4605
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Joined: Jun 02 2010, 7:24pm
Years of membership: 9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership
Location: U.P. Michigan
Year: 2017
Make/Model: GMC Sierra
Variant: Denali
Extra Info: Ultimate 4WD 6.2L
Group Membership:
Vendors
Registered users
Servicemen

Re: Engine sludge removal

Postby MIKE91B [OP] » Nov 08 2019, 4:28pm

Yep
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
Original Poster
User avatar
MIKE91B
Automotive Technician
Automotive Technician
Shifting into Fourth Gear [L3]
Shifting into Fourth Gear [L3]
Posts: 1412
Topics: 10
Joined: May 23 2015, 3:06am
Years of membership: 4 years of membership4 years of membership4 years of membership4 years of membership
Location: OHIO
Year: 2015
Make/Model: Chevrolet Silverado
Group Membership:
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Registered users

Re: Engine sludge removal

Postby Z15 » Nov 08 2019, 4:30pm

I send you a PM on where to get it today.
Mike

Image
SYNTHOIL SUPPLY

My_Fleet
2017 GMC Sierra Denali 6.2L
2017 John Deere X738 4x4 Tractor/Snow Blower
2018 Polaris RZR S 900 EPS
2016 Polaris RZR 900 EPS
User avatar
Z15
Recognized Supplier
Recognized Supplier
Shifting into Sixth Gear! [L3]
Shifting into Sixth Gear! [L3]
Posts: 4605
Topics: 236
Images: 0
Joined: Jun 02 2010, 7:24pm
Years of membership: 9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership
Location: U.P. Michigan
Year: 2017
Make/Model: GMC Sierra
Variant: Denali
Extra Info: Ultimate 4WD 6.2L
Group Membership:
Vendors
Registered users
Servicemen

Re: Engine sludge removal

Postby MIKE91B [OP] » Nov 08 2019, 4:31pm

Do it!
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
Original Poster
User avatar
MIKE91B
Automotive Technician
Automotive Technician
Shifting into Fourth Gear [L3]
Shifting into Fourth Gear [L3]
Posts: 1412
Topics: 10
Joined: May 23 2015, 3:06am
Years of membership: 4 years of membership4 years of membership4 years of membership4 years of membership
Location: OHIO
Year: 2015
Make/Model: Chevrolet Silverado
Group Membership:
Automotive Technicians
Registered users

Re: Engine sludge removal

Postby Z15 » Nov 08 2019, 4:38pm

sent.................
Mike

Image
SYNTHOIL SUPPLY

My_Fleet
2017 GMC Sierra Denali 6.2L
2017 John Deere X738 4x4 Tractor/Snow Blower
2018 Polaris RZR S 900 EPS
2016 Polaris RZR 900 EPS
User avatar
Z15
Recognized Supplier
Recognized Supplier
Shifting into Sixth Gear! [L3]
Shifting into Sixth Gear! [L3]
Posts: 4605
Topics: 236
Images: 0
Joined: Jun 02 2010, 7:24pm
Years of membership: 9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership9 years of membership
Location: U.P. Michigan
Year: 2017
Make/Model: GMC Sierra
Variant: Denali
Extra Info: Ultimate 4WD 6.2L
Group Membership:
Vendors
Registered users
Servicemen
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