Thread: MSD Ready to Run
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07-15-2007 04:31 PM #1
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I just got a fuel pressure guage and checked the pressure. It shows 9 psi, the Edelbrock manual states that this carb (1405) requires 6.0 psi. Would the 3 psi make that big of a difference in the performance of the carb ?, causing the flat spot that I am experiencing ? The carb is only 6 mos old with 325 miles. If I need to purchase a pressure regulator, do you have any suggestions.
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07-15-2007 04:35 PM #2
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I for got to mention that the flat spot is at 1000 to 1200 rpms.
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07-15-2007 06:14 PM #3
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Yes, the 3 extra lbs is not good on the needle and seat. your flat spot could be caused by float setting and/or metering rods.Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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07-17-2007 04:50 PM #4
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That being the case, which would be a better choice a regulator or a 6 psi fuel pump ? or is it all preference ?
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07-17-2007 07:35 PM #5
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If it were me,I'd put a regulator on it.Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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07-17-2007 08:15 PM #6
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Thanks for the information, Is any one better than the other, Holly, Ededlbrock, etc ?
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07-17-2007 08:31 PM #7
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Defiantly put a regulator in there. Holley or Edelbrock.....either one will work just fine. Another thing to look at is the timing curve, play around with the different spring combinations. I ended up with one heavy silver spring and one light silver spring. Slowing the advance curve down a little took my stumble completely away......Just a thought.....Our race team page
Chuck
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time for a new forum to visit. when they sold sr.com it went down hill fast. no more forum just a cheap site selling junkie cars. the canadians killed hr.com. mods are real pricks. as with any site...
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