Quote:
Originally Posted by SeventyOne
Oh gotcha. I was thinking you were in drive at that idle number. That make way more sense. I'd aim for a 600-650 idle in drive. I assume you have a carb as well? We're getting off topic (I like tuning talk haha) but when you tune the idle circuit for best manifold vacuum do it in drive with someone pressing the brakes.
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Yeah, Quadrajet. I’ve only tuned an idle circuit once, on a 72 Pontiac 350, but did it in Park. Why Drive? I wasn’t planning on tuning this one since I know it’s pulling 15” vacuum at idle, and there’s virtually no exhaust smell in the shop when the door is shut and the truck’s running. I’m a novice at tuning but am finding it enjoyable. Just ordered a Moroso kit, should see it before the end of the week.
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