| chr2002ca |
05-07-2013 11:16 AM |
Quick update. Took some time off due to a road trip, a nasty stomach flu(got a call from the local water treatment plant asking me to back off), and some much needed R&R.
So, my initial declaration of 'no leaks' was a bit premature. Had a few coolant drips from some of the stainless pipe fittings, no big deal to fix those. Then found a rear intake-to-block seal oil drip that required me to pull the intake back off and get that sealed properly. That sucked having to do that, but it's done and sealed properly now. Then one of the rear oil pan bolts was dripping oil which had me nervous but fortunately it was only because there was no sealant on that particular bolt(hole goes straight through to the crank case). Thank god that was an easy fix.
Did a lot of research and finally determined the problem with the IAC motor being wide open and sucking way too much air. My initial guess about somebody's wiring diagram being wrong was correct. Edelbrock's IAC wiring diagram they provide with their throttle body(3878) is just wrong. They have the B high/low wires backwards. Had to find some additional resources on the net to figure that one out. Once I switched those 2 wires on the harness, it works normally. Initially it makes a bit of noise on a cold start as it opens to nearly 50% to control the cold idle, but then as the engine warms up it slowly steps its way down, eventually all the way to about 3% open. At the point it's nice and quiet. Dale, if yours is still making a lot of noise even after it's warmed up, you might check how much it's open. One of the Holley guru's on another site mentioned that a 2-3% target was ideal for smooth idle when warm. It shouldn't make much noise at all if it's only open that much.
So today I'm adjusting the accelerator linkage to give me better gas pedal control. Right now it's too quick and with 600HP+ and 275 rear tires I need as much gas pedal control as I can get.
Tomorrow I can finally start on putting in the trans tunnel panels, shifter, center console, trans cooling air ducting, and trans wiring and finally take her around the neighborhood for some initial testing. Nearly everything on the car has changed so it'll take a while to get everything dialed back in, but I'm getting close. Should be able to start attending some events in about a month.
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