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R
rydog
Junior Member
·
From
Lawrence KS
Joined
Mar 14, 2025
Last seen
Mar 18, 2025
Posts
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R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
To me it seemed like air was going out the intake/carb. The pull the intake and use marvel mystery oil to look for bubbles seems like a...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
The old thing has solid push rods not hydraulic lifters Ohh seems like I'm wrong but not running anyway. Getting tempting to just...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Seems logical to me. I might go pick me up some marvel mystery oil after work and try it. Seems like a good way to avoid buying one of...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
When I was doing the leak down test I had the valve covers off and when I seen I was tdc I felt that the pushrods had no pressure on...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
I don't but I can have it off pretty quick If I need
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Ohh something else I should of mentioned is during the leak down test on two cylinders when I first tried it made a pop noise and it...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
At this point I've got it down to the timing chain. I'm tempted to pull the heads and trade oriellys for a fresh set. I guess I should...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
I'm not a 100 percent sure it wasn't over revved it was a company truck for an aluminum plant then it was a farm truck for tenish years...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Ever since swapping the Edelbrock on it I haven't had it running to put a vacuum gauge on it. It acts just like it did with the...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Well I did a leak down test. I only have a cheap harbor freight tester which I don't think applies as much PSI as I probably should for...
Mar 18, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
That's a good idea ill try that I had if off before when I was turning it but it's hard to turn from the top with out removing the fan...
Mar 14, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Ohhh I did kind of eye ball the push rods and valves springs and none of them looked unusual as it cranked. Yeah I think my next step...
Mar 14, 2025
R
rydog
replied to the thread
5.7 back fires through carb but timing is good.
.
Ohh and for the heck of it since it seemed like every post about back firing out the carb said timing was 180 degrees off. I flipped it...
Mar 14, 2025
R
rydog
posted the thread
5.7 back fires through carb but timing is good.
in
Tech Discussion
.
I bought a 1984 K20 auto it has never started well I would have to pour gas down the quadrajet and if would back fire out the carb for...
Mar 14, 2025
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