dhworkin
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dhworkin replied to the thread IAC counts high.When I had the FP to high the same was happening except right before it got to rich to stall out the ECM would pull it back and the idle... -
And watch your WBO2. A little story; With my EBL, I tried 454 injectors @15 PSI in my 46mm TB. I set it to run "Learn VE" where the...
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I'm running 14psi,that's where I ran off the end of the adjuster screw. The best way I know of to determine optimal FP is to try to...
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dhworkin replied to the thread IAC counts high.Yep, it was like turning the key off except it still had brakes and steering. I had a slight hesitation with FP at15 psi so I dropped...
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Stock would want it, performance engines would need it. Yes, GM left a lot on the table with conservative SA and VE tuning. You can...
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Cool! Now just make small gradual adjustments if needed. Start with timing,then fuel then back to timing. Y'all getting rain over there...
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Ditto with your success! Here's a link that may help with your timing. @84Elky Includes a great explanation of how and why. You may...
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Here's an example from mine with aluminum heads. Your Vortec heads will want a little different ramp. HTH Note: I'm idling at ~850...
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dhworkin replied to the thread IAC counts high.
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dhworkin replied to the thread IAC counts high.You guys figured it out! Thank you! I bought my 95 GMC 1500 2x4 truck new from the dealer. Drove it 419k before it lost oil pressure in...
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dhworkin replied to the thread IAC counts high.Lowered FP to 15psi / 61lb/hr in bin and it’s working better than ever. Now it’s downshifting fast and positive when I give it throttle...
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What cam and compression are you running? Even with a fairly stiff cam, I would think at 24 PSI, you'd be running pig rich unless you...
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Yeah,when things get too outa whack it's best to start over. Don't rely on someone else's data and tune for what your engine wants...
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dhworkin replied to the thread IAC counts high.I’m going to set fp at 15psi and 65.5lb/hr in bin and test. After that load stock ve table and test. Then load the stock timing table...
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kennythewelderOfficially Retired, B31-3 (6-G) certified welder.
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