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Old 09-04-2016, 10:36 AM
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Texasdoc Texasdoc is offline
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Join Date: Feb 2012
Location: Keller, TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
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I've talked to Brent and Scott. They are both great guys and have been helpful. Scott was thinking I would be into the mains around 1500. He wanted me to decrease the main jets and subsequently increase the PVCRs to keep WOT rich enough. I've done these changes but it didn't lean out my cruise. He doesn't remember what IFRs he put in my carb, so I'm going to have to measure them.

I think we are dealing with different circuits in these threads. My big problem is that I make one change, watch what it does, decide on what change to make next, but then have to wait about a week to get the new parts from Summit. I make that change, see what it does, then have to wait another week. There aren't any hotrod shops nearby to go get parts.

I still recommend Brent (and Scott) for parts and recommendations. But you can dyno a carb on a test motor all you want - until you get it on your motor, in your car, under your weather conditions, you won't know how it will perform. I'm close to getting this running great. A few more changes and this will run like a "smashed cat".

Last edited by Texasdoc; 09-04-2016 at 10:47 AM..
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