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Re: PRESSURE AND VOLUME
[Re: 540DUSTER]
#1634162
06/16/14 02:06 PM
06/16/14 02:06 PM
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Joined: Aug 2003
Posts: 43,333 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,333
Bend,OR USA
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Quote:
Cab,I hear what your saying,but you didn't change the regulator setting.
The 275 pump was set at the factory to have , I think, around 17 lbs towards the reg, I never verified that, the 300 was suppose to be set at 23 lbs to the reg Once I hooked the one line up to one of the carbs the volume went way up with the 300 pump Try flow testing yours with the different pressures and let us know what you find out I ended up turning the pressure down to 5.5 lbs later after reading a post from Monty about the higher pressures causing foam from the needles and seats, I didn't see the car slow down or pickup after that test .I think I did a pressure test years ago to compare volume when I was using two small blue Holley regs. in paralel, one fed the front of the carb and the other fed the rear bowl. It seems to me that it flowed more volume at 9.0 lbs than they did at 7.5 lbs, maybe not That was a long time ago,CRS ![](/ubbthreads/images/graemlins/shruggy.gif)
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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