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Old 05-28-2019, 12:02 PM   #29
driven2exceSS
 
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Nice!! Hope it holds up for you!! Did they share if they saw anything obvious with the fuel pump assembly?? Did you try in different directions on your initial testing??
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Old 05-30-2019, 12:06 AM   #30
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Quote:
Originally Posted by TrackClub View Post
Fantastic! What did they replace exactly?
Thanks!
My understanding is the Fuel pickup assembly which has the fuel pump and more in it, not exactly sure how much more than that but it' more than just the fuel pump.
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Old 05-30-2019, 12:08 AM   #31
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Quote:
Originally Posted by driven2exceSS View Post
Nice!! Hope it holds up for you!! Did they share if they saw anything obvious with the fuel pump assembly?? Did you try in different directions on your initial testing??
Thanks me too!

They didn't share any info, I may call them and ask but I'd imagine there are a great many things that can be wrong that are not observable visibly.

Testing was the same as before; long hard corners turning right.
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Old 05-30-2019, 08:44 AM   #32
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Originally Posted by GunMetalGrey View Post
Thanks me too!

They didn't share any info, I may call them and ask but I'd imagine there are a great many things that can be wrong that are not observable visibly.

Testing was the same as before; long hard corners turning right.
Gotcha
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Old 05-31-2019, 12:07 PM   #33
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Quote:
Originally Posted by GunMetalGrey View Post
My understanding is the Fuel pickup assembly which has the fuel pump and more in it, not exactly sure how much more than that but it' more than just the fuel pump.
This makes sense as we were all thinking it was more than just a fuel pump issue. Hope your fix is permanent
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Old 06-07-2019, 12:41 AM   #34
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Quote:
Originally Posted by Bluebarchetta View Post
This makes sense as we were all thinking it was more than just a fuel pump issue. Hope your fix is permanent
Me to thanks
Tracking the car this Saturday, so I'll know for sure then, but so far so good
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Old Yesterday, 10:51 AM   #35
APEX1SS
 
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Surge tank

I had the exact same issue on my first track day with my 2018 SS. It actually caused the low pressure fuel pump in tank to intermittently drop fuel pressure from 137 to 63 at WOT. Warranty covered it but there were no pumps available. The part number changes up to a newer version but no stock anywhere. GM agreed to put a ZL1 pump in as it was available out of Cincinnati. My issue started at 2/3rds of a tank on certain corners. A surge tank (aka swirl pot) will fix this issue that will damage the pump if (like me) you try to drive through the issue until the check engine light comes on and into half throttle limp mode.
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Old Today, 12:28 AM   #36
GunMetalGrey
 
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Quote:
Originally Posted by APEX1SS View Post
I had the exact same issue on my first track day with my 2018 SS. It actually caused the low pressure fuel pump in tank to intermittently drop fuel pressure from 137 to 63 at WOT. Warranty covered it but there were no pumps available. The part number changes up to a newer version but no stock anywhere. GM agreed to put a ZL1 pump in as it was available out of Cincinnati. My issue started at 2/3rds of a tank on certain corners. A surge tank (aka swirl pot) will fix this issue that will damage the pump if (like me) you try to drive through the issue until the check engine light comes on and into half throttle limp mode.
Sounds exactly the same as what I had, except I've had it twice in 1 year!

What exactly is a surge tank (aka swirl pot)? Is it an aftermarket add on?
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