MASSIVE BACKFIRE result of injector cleaning?

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Matthew Jeschke

Matthew Jeschke

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So was there anything wrong with the fuel injectors that made you decide to clean them that way or were you just doing maintenance? Sorry about the outcome either way.
Just maintenance while I hadnintake off to fix broken knock sensors haha... They were FILTHY dirty but worked.

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JGib

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A little old but thought I should leave a comment. When i replaced my engine with a gm long block, the instructions made it very clear to make sure the intake was clean before installing it on the new engine.
I prepared myself with a few cans of cleaner but before starting, thought i would consult with a friend of mine who owns a shop. They do many engine replacements. Asked about the intake cleaning and he told me to not spray anything in the intake. Said it was very difficult to remove liquids from inside the manifold. Just a note. If ya plan on cleaning intake, use something that evaporates (which is probably what was used here so not applicable) Anyhow, if ya feeling froggy and decide to use, lets say soap and water, plan on an extended drying time as shop air, shaking, cussing, might not get all the liquids from the runners.
 
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Matthew Jeschke

Matthew Jeschke

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A little old but thought I should leave a comment. When i replaced my engine with a gm long block, the instructions made it very clear to make sure the intake was clean before installing it on the new engine.
I prepared myself with a few cans of cleaner but before starting, thought i would consult with a friend of mine who owns a shop. They do many engine replacements. Asked about the intake cleaning and he told me to not spray anything in the intake. Said it was very difficult to remove liquids from inside the manifold. Just a note. If ya plan on cleaning intake, use something that evaporates (which is probably what was used here so not applicable) Anyhow, if ya feeling froggy and decide to use, lets say soap and water, plan on an extended drying time as shop air, shaking, cussing, might not get all the liquids from the runners.
Oh wow, is possible it was water then [emoji17]...

You are definately not too late as I am building another motor and planned to use the same intake. I will have to see if there is any way to verify it has no water in it... and or buy another intake [emoji51]

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Matthew Jeschke

Matthew Jeschke

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Backfire! SOLVED I think died of COVID

Best news is, it did run on uh cylinders haha

See my 6.0L build post.2d50a606b2e2e832d368d07d486d3503.jpg

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89Suburban

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Matt you got good spirits for being kicked in the nuts trying to do the right thing, sucks bro. Feeling for ya. No good deeds go unpunished.
 

sonic_the_hedgeh

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So was there anything wrong with the fuel injectors that made you decide to clean them that way or were you just doing maintenance? Sorry about the outcome either way.
Never tried that diy method. I have just used seafoam or regular injector cleaner spray.
That would suck. I would not expect to screw the engine by cleaning injectors.

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