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C
ChevyGuy572
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From
Colorado
Joined
May 16, 2024
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Yesterday at 10:51 PM
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C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Nevermind, I don't think it would mess with the timing light, the cap would just be turned slightly more than normal. Idk I'll set it a...
Yesterday at 10:47 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
I will find a ecu for a 5.7 and see if that helps. I've always just timed it by ear since I think the rotor might be off by a tooth or...
Yesterday at 5:16 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
*I'm guessing the exhaust gaskets are shot*
Monday at 10:18 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
I re-tightened the headers multiple times, I'm guess the exhaust gasket is shot. I might try replacing them to see if that helps at...
Monday at 10:17 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Sunday at 12:08 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Sunday at 12:07 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Sunday at 12:07 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
It does, however I'm not sure the pump actually works because it has a connector that isn't in the wiring harness, and I put headers on...
Sunday at 11:52 AM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
The vin tells me it's og engine was a v6. I have confirmed the injectors i put in it are the 5.7 injectors. However idk how to tell...
Saturday at 9:15 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
I guess it's not pumping enough gas through to make a difference with bigger injectors. Possibly a fuel pump?
Saturday at 4:34 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Omg, I just realized from looking at your chart that the injectors I was running were the red ones for the 454! I switched to the orange...
Saturday at 3:16 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
I have tried two different injector types from the two throttle bodies I got. I put the throttle body with the injectors with the...
Saturday at 3:09 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
Sorry, 0-62. I was comparing the stock time to mine for a power benchmark (since dinos are expensive). It seems to have slightly more...
Saturday at 2:22 PM
C
ChevyGuy572
replied to the thread
91 350 tbi extreme exhaust backfiring
.
I forgot to mention, it only backfires when the engine is decelerating. It's also a 5 speed manual.
Saturday at 2:17 PM
C
ChevyGuy572
replied to the thread
Chevy 350 TBI stumble
.
If your O2 sensor isn't preheated, it needs to get up to 300+ degrees before it starts reading anything. It's fairly common.
Saturday at 2:12 PM
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