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Old 03-07-2015, 09:58 PM   #1
Mike Graham
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Default Re: U/SA help request

The rest of the story. I steal the datalogger out of the SS car and we head to Wildhorse
Pass. When the car leaves the fuel pressure drops to zero and never recovers the rest
of the run. Enough fuel that the car doesn't miss.
The idea of let's not over spend on the fuel system didn't work out. I would have never thought that a 110 gph pump would not be enough for a 225 hp stocker.
So on goes the 400 gph spare for my car. Problem solved. Right back to where the et should be and the car is now consistent.
As a side note. The pro bracket cutoff here is 13.99 and here car won't run that in the heat. So I prep a 1.21 carb thinking that it will pick the car up enough to run 13.99 during the day. That carb picked the car up 6 tenths and almost 6 mph. 13.42 at 98 mph on the first pass.
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Old 03-08-2015, 11:06 AM   #2
Dave Noll
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Default Re: U/SA help request

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Originally Posted by Mike Graham View Post
When the car leaves the fuel pressure drops to zero and never recovers the rest
of the run. Enough fuel that the car doesn't miss.
The idea of let's not over spend on the fuel system didn't work out. I would have never thought that a 110 gph pump would not be enough for a 225 hp stocker.
Uh-oh, do you mind if I ask if that was a new 110gph pump ? My combo uses a 1.21 carb on a 351c but my Carter pump is rated lower.
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Old 03-08-2015, 11:13 AM   #3
Mike Graham
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Dave
It was new and it was Carter.
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Old 03-08-2015, 12:13 PM   #4
Jeff Stout
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Default Re: U/SA help request

Mike now your scaring me. I was hoping 13.90 would be enough in my Olds wagon. Good job.
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Old 03-08-2015, 12:52 PM   #5
Mike Graham
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No worries Jeff. 1.21 not legal for this combination.
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Old 03-08-2015, 12:56 PM   #6
Mark Yacavone
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Default Re: U/SA help request

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Mike now your scaring me. I was hoping 13.90 would be enough in my Olds wagon. Good job.
Well, get to work then...I'll book you guys in for a match race in the Fall.
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Old 03-08-2015, 01:20 PM   #7
Marty Buth
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Default Re: U/SA help request

Distributor roll pin worn and moving timing around on you?
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Old 03-09-2015, 09:04 AM   #8
MikeMoller
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Default Re: U/SA help request

Just a thought, I have seen the insides of braided line go bad restricting flow, so a stronger pump may be making up for that.
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